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Case Study Questions Class 10 Science

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Download Case study questions for CBSE class 10 Science in PDF format from the myCBSEguide App . We have the new pattern case study-based questions for free download. Class 10 Science case study questions

This article will guide you through:

What are case study questions?

• Sample Papers with Case Study questions
• Class 10 Science Case Study question examples
• How to get case-based questions for free?
• How to attempt the case-based questions in Science?

Questions based on case studies are some real-life examples. The questions are asked based on a given paragraph i.e. Case Study.  Usually, 4-5 questions are asked on the basis of the given passage. In most cases, these are either MCQs or assertion & reason type questions. Let’s take an example to understand. There is one paragraph on how nitrogen is generated in the atmosphere. On the basis of this paragraph, the board asks a few objective-type questions. In other words, it is very similar to the unseen passages given in language papers. But the real cases may be different. So, read this article till the end to understand it thoroughly.

What is CBE?

CBSE stands for competency-based education. The case study questions are part of this CBE. The purpose of CBE is to demonstrate the learning outcomes and attain proficiency in particular competencies.

Questions on Real-life Situations

As discussed the case study questions are based on real-life situations. Especially for grade 10 science, it is very essential to have the practical knowledge to solve such questions. Here on the myCBSEguide app, we have given many such case study paragraphs that are directly related to real-life implications of the knowledge.

Sample Papers with Case Study Questions

Class 10 Science Sample Papers with case study questions are available in the myCBSEguide App . There are 4 such questions (Q.No.17 to 20) in the CBSE model question paper. If you analyze the format, you will find that the MCQs are very easy to answer. So, we suggest you, read the given paragraph carefully and then start answering the questions. In some cases, you will find that the question is not asked directly from the passage but is based on the concept that is discussed there. That’s why it is very much important to understand the background of the case study paragraph.

CBSE Case Study Sample Papers

You can download CBSE case study sample papers from the myCBSEguide App or Student Dashboard. Here is the direct link to access it.

Case Study Question Bank

As we mentioned that case study questions are coming in your exams for the last few years. You can get them in all previous year question papers issued by CBSE for class 1o Science. Here is the direct link to get them too.

Class 10 Science Case Study Question Examples

As you have already gone through the four questions provided in the CBSE model question paper , we are proving you with other examples of the case-based questions in the CBSE class 10 Science. If you wish to get similar questions, you can download the myCBSEguide App and access the Sample question papers with case study-type questions.

Case-based Question -1

Read the following and answer any four questions: Salt of a strong acid and strong base is neutral with a pH value of 7. NaCl common salt is formed by a combination of hydrochloride and sodium hydroxide solution. This is the salt that is used in food. Some salt is called rock salt bed of rack salt was formed when seas of bygone ages dried up. The common salt thus obtained is an important raw material for various materials of daily use, such as sodium hydroxide, baking soda, washing soda, and bleaching powder.

• Phosphoric acid
• Carbonic acid
• Hydrochloric acid
• Sulphuric acid
• Blue vitriol
• Washing soda
• Baking soda
• Bleaching powder

Case-based Question -2

• V 1  + V 2  + V 3
• V 1  – V 2  +V 2
• None of these
• same at every point of the circuit
• different at every point of the circuit
• can not be determined
• 20 3 Ω 203Ω
• 15 2 Ω 152Ω

Case-based Question -3

• pure strips
• impure copper
• refined copper
• none of these
• insoluble impurities
• soluble impurities
• impure metal
• bottom of cathode
• bottom of anode

How to Attempt the Case-Based Questions in Science?

Before answering this question, let’s read the text given in question number 17 of the CBSE Model Question Paper.

All living cells require energy for various activities. This energy is available by the breakdown of simple carbohydrates either using oxygen or without using oxygen.

See, there are only two sentences and CBSE is asking you 5 questions based on these two sentences. Now let’s check the first questions given there.

Energy in the case of higher plants and animals is obtained by a) Breathing b) Tissue respiration c) Organ respiration d) Digestion of food

Now let us know if you can relate the question to the paragraph directly. The two sentences are about energy and how it is obtained. But neither the question nor the options have any similar text in the paragraph.

So the conclusion is, in most cases, you will not get direct answers from the passage. You will get only an idea about the concept. If you know it, you can answer it but reading the paragraph even 100 times is not going to help you.

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CBSE Class 10 Science Case Study Questions Download Free PDF

If you are looking for the CBSE Class 10 Science Case Study Questions in PDF, then you are in the right place. CBSE 10th Class Case Study for the Science Subject is available here. These Case studies can help the students to solve the different types of questions that are based on the case study.

CBSE Board will be asking case study questions based on Science subjects in the upcoming board exams. Thus, it becomes an essential resource to study. 

The Science Subject case study for class 10th covers a wide range of chapters from the Science. Students willing to score good marks in their board exams can use it. The questions are highly interactive and it allows students to use their thoughts and skills to solve such kinds of questions.

Case Study Questions Class 10 Science

In board exams, students will find the questions based on assertion and reasoning . Also, there will be a few questions based on case studies. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

• Case Study Questions for Chapter 1 Chemical Reactions and Equations
• Case Study Questions for Chapter 2 Acids, Bases, and Salts
• Case Study Questions for Chapter 3 Metals and Non-Metals
• Case Study Questions for Chapter 4 Carbon and Its Compounds
• Case Study Questions for Chapter 5 Periodic Classification of elements
• Case Study Questions for Chapter 6 Life Processes
• Case Study Questions for Chapter 7 Control and Coordination
• Case Study Questions for Chapter 8 How do organisms reproduce?
• Case Study Questions for Chapter 9 Heredity and Evolution
• Case Study Questions for Chapter 10 Light reflection and refraction
• Case Study Questions for Chapter 11 Human eye and colorful world
• Case Study Questions for Chapter 12 Electricity
• Case Study Questions for Chapter 13 Magnetic effects of current
• Case Study Questions for Chapter 15 Our Environment

The above  Case studies  for CBSE Class 10 Science will help you to score good marks in the Case Study questions that have been coming in your examinations. These CBSE Class 10 Science Case Study have been developed by experts of cbseexperts.com   for benefit of Class 10 students.

Class 10 Science Assertion and Reason Questions

Case Study Type Questions in Science Class 10

Case Study Type Questions in Science Class 10 include the information or data. Students willing to solve them are required to read the passage carefully and then solve them. While solving the paragraph the ideal way is to highlight the key information or given data.

Because later it will ease them to write the final answers. Science Case study type questions consist of 4 to 5 questions that should be answered in an MCQ manner. 

While reading the paragraph students will get the clue in between about the possible answer of the question. They should definitely highlight those questions. This is the best way to solve such kind of Case study Type Questions.

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CBSE 10th Standard Science Subject Case Study Questions

By QB365 on 21 May, 2021

QB365 Provides the updated CASE Study Questions for Class 10 , and also provide the detail solution for each and every case study questions . Case study questions are latest updated question pattern from NCERT, QB365 will helps to get  more marks in Exams 

QB365 - Question Bank Software

10th Standard CBSE

Final Semester - June 2015

Redox reactions are those reactions in which oxidation and reduction occur Simultaneously. A redox reaction is made up of two half reactions. In the first half reaction, oxidation takes place and in second half reaction, reduction occurs. Oxidation is a process in which a substance loses electrons and in reduction, a substance gains electrons. The substance which gains electrons is reduced and acts as an oxidising agent. On the other hand, a substance which loses electrons is oxidised and acts as a reducing agent. (i) Which of the following is a redox reaction?

(ii) Identify the reaction in which H2 02 is acting as a reducing agent.

(iii) For the following reactions, identify the one in which H 2 S acts as a reducing agent.

(iv) For the following reaction, identify the correct statement. \(\mathrm{ZnO}+\mathrm{CO} \longrightarrow \mathrm{Zn}+\mathrm{CO}_{2}\)

(v) In the following reaction, which substance is reduced? \(\mathrm{PbS}+4 \mathrm{H}_{2} \mathrm{O}_{2} \longrightarrow \mathrm{PbSO}_{4}+4 \mathrm{H}_{2} \mathrm{O}\)

(ii) If the pH of a solution is 8, then its [H + ] ion is

(iii) In terms of acidic strength, which one of the following is in the correct increasing order?

(iv) Which of the following compounds does not give H + ions in aqueous solution?

(v) Four solutions labelled as P, Q, Rand Shave pH values 1, 9, 3 and 13 respectively. Which of the following statements about the given solutions is incorrect?

Baking powder produces carbon dioxide on heating, so it is used in cooking to make the batter spongy. Although, baking soda also produces CO 2 on heating, but it is not used in cooking because on heating, baking soda produces sodium carbonate along with carbon dioxide. Sodium carbonate, thus, produced, makes the taste bitter. Baking powder is the mixture of baking soda and a mild edible acid. Generally, tartaric acid is mixed with baking soda to make baking powder. When baking powder is heated, NaHCO 3 decomposes to give CO 2 which makes bread and cake fluffy. Tartaric acid helps to remove bitter taste due to formation of sodium tartrate. \(2 \mathrm{NaHCO}_{3}+ \ \ \mathrm{C}_{4} \mathrm{H}_{6} \mathrm{O}_{6} \quad \longrightarrow \quad 2 \mathrm{CO}_{2}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{Na}_{2} \mathrm{C}_{4} \mathrm{H}_{4} \mathrm{O}_{6}\) Baking soda         Tartaric acid            Carbon dioxide               Sodium tartrate (i) On passing excess CO 2 gas in aqueous solution of sodium carbonate, the substance obtained is

(ii) When sodium hydrogen carbonate is added to acetic acid, it evolves a gas. Which of the following statements are true about the gas evolved? (I) It turns lime water milky (II) It extinguishes a burning splinter (III) It dissolves in a solution of sodium hydroxide (IV) It has a pungent odour

(iii) Select the correct statement regarding sodium hydrogen carbonate.

(iv) Acetic acid was added to a solid X kept in a test tube. A colourless and odourless gas was evolved. The gas was passed through lime water which turned milky. It was concluded that

(v) Which of the following statements are correct regarding baking soda? (I) Baking soda is sodium hydrogen carbonate (II) On heating, baking soda gives sodium carbonate (III) It is used for manufacture of soap (IV) It is an ingredient of baking powder

The chemical reactivity of an element depends upon its electronic configuration. All elements having less than eight electrons in the outermost shell show chemical reactivity. During chemical reactions, atoms of all elements tend to achieve a completely filled valence shell. Metals are electropositive in nature. They have tendency to lose one or more electrons present in the valence shell of their atoms to form cations and achieve nearest noble gas configuration. The compounds formed by the transfer of electrons from one element to other are known as ionic or electrovalent compounds. (i) The electronic configurations of three elements X, Y and Z are:             X : 2                  Y: 2, 8, 7                     Z : 2, 8, 2 Which of the following is correct regarding these elements?

(ii) Element X reacts with element Y to form a compound Z. During the formation of compound Z, atoms of X lose one electron each whereas atoms of Y gain one electron each. Which of the following properties is not shown by compound Z?

(iii) Which of the following is correct representation of formation of magnesium chloride?

(iv) The electronic configuration of sodium ion is

(v)Which of the following represents an electropositive element?

A hydrocarbon (P) has the molecular formula C 10 H 22 .A hydrocarbon (Q) has two carbon atoms less than (P) and belong to the same homologous series. A hydrocarbon (R) has two carbon atoms more than (P) and belong to the same homologous series. (i) What is the molecular formula of (Q) ?

(ii) To which homologous series do the compound (P), (Q) and (R) belong?

(iii) What is the molecular formula of (R) ?

(iv) Identify the correct statement about compounds (P), (Q) and (R) .

(v) Compounds (P), (Q) and (R) are

The recurrence of properties of the elements after a certain regular intervals, when they are arranged in the increasing order of their atomic numbers, is called periodicity. There are a number of physical properties such as atomic size, metallic and non -metallic character, etc. which show periodic variation. In periodic table, various properties vary differently from moving left to right in a period and going down in a group. In a period, properties vary because from moving left to right in a period, number of shells remain same but valence electron increases by one number hence nuclear charge increases. In a group, on going down, number of valence shells increases while number of valence electrons remains same. (i) From top to bottom in a group of the periodic table, the electropositive character of the element

(ii) Which element has the largest size in the second period?

(iii) Which of the following elements has three valence electrons?

(iv) In the periodic table, the metallic character of elements (a) decreases from left to right and decreases down the group (b) decreases from left to right and increases down the group (c) increases from left to right and increases down the group (d) increases from left to right and decreases down the group (v) Which of the following increases along the period?

The small intestine is the longest part of the alimentary canal. It is a narrow tube of about 6 metres which lies coiled in the abdomen. The length of small intestine varies in different animals depending on the type of food they eat. (i) Humans are not able to digest cellulose whereas they are able to digest starch due to

(iii) Butter cannot be digested in the stomach as lipase and bile are(a) released in small intestine

(iv) Which of the following is a correct statement? (a) Herbivores have shorter small intestine as they eat grasses (b) Carnivores have larger small intestine as they eat meat (c) Herbivores have larger small intestine as they eat grasses (d) None of these (v) Various types of movements are generated by the ______ layer of the small intestine.

(iii) Which of the following animals shows double circulatory pathway?

(v) Select the option which properly represents pulmonary circulation in humans. \(\text { (a) Left auricle } \frac{\text { Deoxygenated }}{\text { blood }}{\longrightarrow} \text { Lungs } \frac{\text { Oxygenated }}{\text { blood }} \text { Right ventricle }\) \(\text { (b) Left auricle } \frac{\text { Oxygenated }}{\text { blood }}{\longrightarrow} \text { Lungs } \frac{\text { Deoxygenated }}{\text { blood }}{\longrightarrow} \text { Right ventricle }\) \(\text { (c) Right ventricle } \frac{\text { Deoxygenated }}{\text { blood }}{\longrightarrow} \text { Lungs } \frac{\text { Oxygenated }}{\text { blood }} \rightarrow \text { Left auricle }\) \(\text { (d) Right ventricle } \frac{\text { Oxygenated }}{\text { blood }}>\text { Lungs } \frac{\text { Deoxygenated }}{\text { blood }} \gg \text { Left auricle }\)

Spore formation, method of asexual reproduction is used by unicellular as well as multicellular organisms.Spores are microscopic units which could be air borne or are present in soil, etc. (i) A slice of bread kept in open for sometime shows growing white cottony mass which later turns black. This happens because (a) bacterial spores present in air germinate on the surface of bread slice (b) fungal spores present in air germinate on the surface of bread slice (c) protozoan microbes start feeding on bread slice (d) none ef these. (ii) Spore formation can be seen in

(iii) Bulb like structure at top of erect hyphae where spores are produced is

Gregor Mendel conducted hybridisation experiments on garden peas for seven years and proposed the laws of inheritance in living organisms. He investigated characters in the garden pea plant that were manifested as two opposing traits, e.g., tall or dwarf plants, yellow and green seeds, etc. (i) Among the seven pairs of contrasting traits in pea plant as studied by Mendel, the number of traits related to flower, pod and seed respectively were

(ii) The colour based contrasting traits in seven contrasting pairs, studied by Mendel in pea plant were

(iii) Refer to the given table of contrasting traits in pea plants studied by Mendel.

Which of the given traits is correctly placed? (a) (i), (ii) and (iii) only (b) (ii), (iii) and (iv) only (c) (ii) and (iii) only (d) (i), (ii), (iii) and (iv) (iv) Some of the dominant traits studied by Mendel were (a) round seed shape, green seed colour and axial flower position (b) terminal flower position, green pod colour and inflated pod shape (c) violet flower colour, green pod colour and round seed shape (d) wrinkled seed shape, yellow pod colour and axial flower position. (v) Which of the following characters was not chosen by Mendel?

(ii) The angle between the incident ray and the emergent ray is called

(iii) When a ray is refracted through a prism, then

(iv) The angle of deviation depends on

(v) The rectangular surfaces of a prism are known as

Some harmful non-biodegradable chemicals, i.e., pesticides (e.g., DDT) and heavy metals (e.g., mercury, arsenic cadmium, etc.) enter the bodies of organism through the food chain and go on concentrating at each trophic level. This phenomenon is called bio-magnification or biological magnification. (i) Refer to the given food chain Phytoplankton  \(\longrightarrow\) Zooplankton \(\longrightarrow\) Small fish \(\longrightarrow\)  Large fish \(\longrightarrow\) Fish eating birds If concentration of DDT in small fish is estimated to be 0.5 ppm, then amount of DDT in zooplankton and large fish would respectively be

(ii) Refer to the given table.

According to the given data. The correct order in a food chain will be

(iv) Higher amount of DDT disturb calcium metabolism of birds. This results in

(v) When animals are sprayed with poisons, they may die immediately, but their bodies still contain the poison. The poison in their bodies will then be passed on to the animals which eat them. What would be the consequence of a mass poisoning of the rabbit population in a grazing food chain and why? (a) Plants would die quickly as they are eaten by rabbits (b) Grasshopper would die quickly as all the animals in the food web would be affected (c) Western rattlesnakes would quickly become poisoned as they eat rabbits (d) Hawk would become poisoned as they feed on rabbits

(v) Greenhouse effect is due to

Energy flow is the key function of an ecosystem. It is determined by the two basic laws of thermodynamics. Flow of energy in our ecosystem is unidirectional. Green plants capture approximately about 1% of the solar energy incident on the earth to carry out the process of photosynthesis. In an ecosystem, transfer of energy follows 10 percent law, i.e., only 10% energy is transferred from one trophic level to another and remaining 90% of energy is lost in respiration. (i) Read the given statements and select the incorrect one(s). I. At each trophic level organisms utilise energy in respiration. II. Only 10 percent of the solar radiations that fall on earth is used by green plants. III. Green plants are the ultimate source of entire energy as most of the food chain begin with them. IV. A food chain usually consist of 3-4 trophic levels.

(ii) Refer to the given flow chart. Plants \(\rightarrow\)  Rat \(\rightarrow\)  Snake 20 units   2 units   0.2 unit The given flow chart states that (a) flow of energy in an ecosystem is unidirectional (b) as we move along in a food chain the number of individuals at each trophic level decreases (c) only 10% of the total energy becomes available to next trophic level (d) both (a) and (c). (iii) Nearly 90% of the energy is wasted while moving from one trophic level to other. This energy is used in

(v) Which of the following correctly states the processes involved in energy transfer between the trophic levels?

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Cbse 10th standard science subject case study questions answer keys.

(I) (b) : H 2 is oxidised to HCI while Cl 2 is reduced to HCl. (ii) (c) \((iii) (c): 2 \mathrm{Fe} \mathrm{Cl}_{3}+\mathrm{H}_{2} \mathrm{~S} \longrightarrow 2 \mathrm{FeCl}_{2}+2 \mathrm{HCl}+\mathrm{s}\) H 2 Sitself gets oxidised to Sand reduces FeCl 3 to FeCI 2 (iv) (a ): ZnO is reduced to Zn and CO is oxidised to CO 2 (v) (b) : H 2 O 2 is reduced to water by removal of oxygen.

(i) (c): As the pH value increases from 7 to 14, it represents decrease in H+ ion concentration in the solution. (ii)  (c) : pH = -log l0  [H + ] = 8 log l0  [H + ] =-8 [H + ] = 10 - 8 mol/L (iii) (a) (iv) (b): C 2 H 5 OH is not an ionic compound, it is a covalent compound and hence does not give H + ions in aqueous solution. (v) (c) : (a) Lower the pH of the solution, more acidic is the solution and higher is the [H + ] ions Thus, solution P (pH = 1) has higher [H + ] ions than solution R (pH = 3). (b) Higher the pH of the solution, more basic is the solution and higher is the [OH - ] ions Thus, solution Q (pH = 9) has lower [OH - ] ions than solution S (pH = l3). (c) Solution P (pH = 1) is acidic which turns blue litmus solution red whereas solution Q (pH = 9) is basic which turns red litmus solution blue. (d) Solution P (pH = 1) is highly acidic while solution S (pH = l3) is highly basic and solution Q (pH = 9) is weakly basic.

\({ (i) }(\mathrm{b}): \mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{H}_{2} \mathrm{O}+\mathrm{CO}_{2} \longrightarrow 2 \mathrm{NaHCO}_{3}\)   (ii) (b) :  \(\mathrm{NaHCO}_{3}+\mathrm{CH}_{3} \mathrm{COOH} \longrightarrow \mathrm{CH}_{3} \mathrm{COONa}\)   \(+\mathrm{CO}_{2} \uparrow+\mathrm{H}_{2} \mathrm{O}\) Carbon dioxide gas is evolved which turns limewater milky. It extinguishes a burning splinter since it is not a supporter of combustion. It dissolves in sodium hydroxide solution and it is an odourless gas. \({ (iii) }(\mathrm{c}): 2 \mathrm{NaHCO}_{3} \stackrel{\text { Heat }}{\longrightarrow} \mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{H}_{2} \mathrm{O}+\mathrm{CO}_{2}\) NaHCO 3 is soluble in water. \({ (iv) }(\mathbf{b}): \mathrm{NaHCO}_{3}+\mathrm{CH}_{3} \mathrm{COOH} \longrightarrow\)   \(\mathrm{CH}_{3} \mathrm{COONa}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}\) (v) (c): It is not used in manufacture of soap .

(i) (d) (Ii) (b): '2' is an ionic compound \({ (iii) }(\mathrm{a}): \mathrm{Mg} \longrightarrow \mathrm{Mg}^{2+}+2 e^{-}\)    \(\mathrm{Cl}+e^{-} \longrightarrow \mathrm{Cl}^{-}\)    \(\mathrm{Mg}^{2+}+2 \mathrm{Cl}^{-} \longrightarrow \mathrm{MgCl}_{2}\)              2,8,2           2,8                    2,8,7                    2,8,8  \((\text { iv })(\mathrm{d}): \mathrm{Na} \longrightarrow \mathrm{Na}^{+}+e^{-}\)                 2,8,1        2,8 (v) (c): (a) and (d) represent electronegative elements and (b) represents a noble gas.

(i) (c) : Molecular formula of (Q) is CSH1Sas it has two carbon atoms less than (P). (ii) (c): Compounds (P), (Q) and (R) are alkanes having general formula C n H 2n+2 . (iii) (a): Molecular formula of (R) is C 12 H 26  as it has two carbon atoms more than (P) (iv) (b): Compound (P), (Q) and (R) belong to same homologous series so they have different physical properties but similar chemical properties. They have same general formula C n H 2n+2 .They . differ by 2 carbon atoms and 4 hydrogen atoms. (v) (a)

(i) (a): As the size of the atom increases down the group, electropositive character increases. (ii) (c): Li is the first element of the second period. As the size decreases in the period from left to right, therefore, Li is the largest atom in the period. (iii) (c): Al (Z = 13) : 2, 8, 3 (iv) (b): Metallic character of elements decreases from left to right and increases down the group. (v) (a): As we move from left to right along a period, the number of valence electrons increases from 1 to 8.

(i) (a): In human, cellulose is indigestible as it cannot be broken into smaller molecules due to absence of cellulase enzyme. (ii) (b): Finger-like projections that come out from mucosa of intestine form villi. Cells lining the villi produce numerous microscopic projections called microvilli giving a brush border appearance which increase the surface area for absorption enormously. Villi has a good supply of capillaries and a large lymph vessel for absorption of nutrients. If the inner lining of the small intestine will be smooth, the surface for absorption will be reduced. (iii) (a) (iv) (c) (v) (b)

(i) (c): A- Artery: Carries blood from heart to different body parts. It is thick-walled and elastic. It acts as a "pressure reservoir" for maintaining the blood flow. B - Capillary : Nutrients, hormones, gases, etc. can diffuse into tissue cells through capillaries and vice versa. It is thin-walled, and only one cell layer thick resting on basement membrane. C - Vein: Brings blood from different body parts to the heart. It is thin-walled and act as low-resistance conduct for blood flow. D - Pulmonary vein: Two pulmonary veins from each lung transport the oxygenated blood to the left atrium. (ii) (d): In amphibians, the left atrium receives oxygenated blood from the gills/lungs/skin and the right atrium gets the deoxygenated blood from other body parts. However, they get mixed up in the single ventricle which pumps out mixed blood i.e., incomplete double circulation (iii) (d): Whale is a mammal and in mammals, two separate circulatory pathways are found - systemic circulation and pulmonary circulation. Oxygenated and deoxygenated bloods received by the left and right atria respectively pass on to the left and right ventricles. Thus, oxygenated and deoxygenated bloods are not mixed. This is referred to as double circulation. (iv) (a) (v) (c): Pulmonary circulation is the movement of blood between heart and lungs. During this pathway deoxygenated blood entering the right atrium, moves into the right ventricle. From here it moves through the pulmonary arch into the lungs for oxygenation. Then from lungs the oxygenated blood moves into the left atrium through pulmonary veins.

(i) (b): The tiny spores of bread mould (Rhizopus) are always present in air. On coming in contact with moist surface of bread slice they settle on it and germinate to form new fungal hyphae which first look like white cottony mass and later turns black. (ii) (a): Mucor (fungus) reproduces asexually through spore formation. (iii) (d) (iv) (c) : Bacteria produce endospore which is a dormant and tough structure that enables bacteria to remain dormant for extended periods under unfavorable conditions. (v) (d)

(i) (a) : Characters studied by Mendel are as follows:

(i) (a): The angle between the two refracting surfaces of a prism is called angle of prism. (ii) (b): The angle between the incident ray and the emergent ray is called angle of deviation. (iii) (d): As the ray of light enters from rarer medium (air) to denser medium (glass), the angle of incidence is more than angle of refraction. (iv) (c): More be the refractive index, more be the angle of deviation and it also depends on the refractive index of prism. (v) (c): The refraction of light takes place through rectangular surfaces.

(i) (c): No two magnetic field lines are found to cross each other. If two field lines crossed each other, it would mean that at the point of intersection, the compass needle would point in two directions at the same time, which is not possible. (ii) (d): The magnetic field and hence the magnetic line of force exist in all the planes all around the magnet. (iii) (d): The relative strength of the magnetic field is shown by the degree of closeness of the field lines and the direction of the magnetic field is obtained by tangent to the field lines at the point of intersect. (iv) (d): The magnetic field lines due to a bar magnet are closed continuous curves directed from N to S outside the magnet and directed from S to N inside the magnet. Hence option (d) is correct. v) (d): Inside a bar magnet, the direction of field lines is from south pole to north pole

(i) (a): Due to bio-rnagnification, the concentration of DDT will always be less in zooplanktons than large fish (ii) (c) (iii) (b) : Due to bio-rnagnification the nonbio-degradable chemicals such as DDT accumulate and go on concentrating at each trophic level. (iv) (d) : Higher amounts of DDT disturb calcium metabolism of birds resulting in thinning of egg shells and their prematllre breaking that kills the embryos. (v) (d)

( i) (b) : In the given pie chart, gases P, Q, Rand S respectively are CO 2 , CH 4 , CFCs and N 2 O. Methane is produced by incomplete combustion of biomass. (ii) (c): Methane (gas Q) is produced by incomplete biomass combustion and incomplete decomposition mostly by anaerobic methanogens. Flooded paddy fields, marshes and cattles are the major source of this gas. (iii) (c) : CO 2 is the principal greenhouse gas that helps to keep the earth warm. (iv) (d) (v) (c)

(i) (b): 1% of solar radiation is captured by plants. Sun is the ultimate source of all energy. (ii) (d) (iii) (d) (iv) (d): The given pyramid is pyramid of energy that shows the two basic laws of thermodynamics. (v) (c): Light energy from the sun is converted to chemical energy in producers via photosynthesis. This chemical energy is then transferred to primary consumer, then subsequently to secondary consumer via feeding.

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Case Study Questions Class 10 Science Chapter 2 Acids, Bases, and Salts

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CBSE Board Exam is on the way, so you must practice some good Case Study Questions Class 10 Science to boost your preparation to score 95+% on Boards. In this post, you will get Case Study and Passage Based Questions that will come in CBSE Class 10 Science Board Exams.

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In CBSE Class 10 Science Paper, Students will have to answer some questions based on  Assertion and Re a son . There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Acids, Bases, and Salts Case Study Questions With Answers

Here, we have provided case-based/passage-based questions for Class 10 Science  Chapter 2 Acids, Bases, and Salts

Case Study/Passage-Based Questions

Case Study 1:

A compound, X of sodium forms a white powder. It is a constituent of baking powder and is used in some antacids. When heated it gives a compound, Y which is anhydrous and absorbs water to become a hydrated salt. When this salt is kept in the open air, it loses water molecules in a process called efflorescence. When dissolved in water it forms a strong base and a weak acid, Z.

(i) What is the compound, X?

Answer: (c) NaOH.

(ii) The compound, Y is

Answer: (c) Na2CO3.10H2O

(iii) What is the nature of the solution formed by dissolving Y in water?

Answer: (a) Alkaline

(iv) Identify the compound, Z.

Answer: (b) H2CO3

(v) Sodium carbonate is a basic compound because it is a salt of a

Answer: (c) strong acid and weak base

Case Study 2:

pH is quite useful to us in a number of ways in daily life. Some of its applications are:

Control of pH of the soil : Plants need a specific pH range for proper growth. The soil may be acidic, basic, or neutral depending upon the relative concentration of H* and OH-. The pH of any soil can be determined by using pH paper. If the soil is too acidic, it can be corrected by adding lime to it. If the soil is too basic, it can be corrected by adding organic manure which contains acidic materials.

Regaining shine of a tarnished copper vessel by use of acids :  A copper vessel gets tarnished due to formation of an oxide layer on its surface. On rubbing lenion on the vessel, the surface is cleaned and the vessel begins to shine again. This is due to the fact that copper oxide is basic in nature, which reacts with the acid (citric acid) present in lemon to form a salt (copper citrate) which is washed away with water. As a result, the layer of copper oxide is removed from the surface of the vessel and the shining surface is exposed.

Self-defence by animals through chemical warfare :  Stings of bees and ants contain methanoic acid. When stung, it causes lot of pain and irritation. This can be cured by rubbing the affected area with mild base like baking soda.

(i) When black copper oxide placed in a beaker is treated with dilute HCl, its color changes to ( a) white (b) dark red (c) bluish-green (d) no change.

Answer: (c) bluish green

(ii) P is an aqueous solution of acid and Q is an aqueous solution of base. When these two are diluted separately, then (a) pH of P increases while that of Q decreases till neutralization.

(b) pH of P decreases while that of Q increases till neutralization. (C) pH of both P and Q decrease. (d) pH of both P and Q increase.

Answer: (a) pH of P increases while that of Q decreases till neutralisation.

(iii) Which of the following acids is present in bee sting? (a) Formic acid (b) Acetic acid (c) Citric acid (d) Hydrochloric acid

Answer: (c) Citric acid

(iv) Sting of ant can be cured by rubbing the affected area with soap because (a) it contains oxalic acid which neutralises the effect of formic acid (b) it contains aluminium hydroxide which neutralises the effect of formic acid (c) it contains sodium hydroxide which neutralises the effect of formic acid (d) none of these

Answer: (c) it contains sodium hydroxide which neutralises the effect of formic acid

(v) The pH of soil X is 7.5 while that of soil Y is 4.5. Which of the two soils, should be treated with powdered chalk to adjust its pH? (a) X only (b) Y only (c) Both X and Y (d) none of these

Answer: (b) Y only

Case Study 3: Acids, bases, and salts are essential substances in our daily lives and play crucial roles in various chemical reactions and processes. Acids are sour-tasting substances that can donate hydrogen ions (H+) when dissolved in water. They turn blue litmus paper red and have a pH value less than 7. Bases, on the other hand, are bitter-tasting substances that can accept hydrogen ions or donate hydroxide ions (OH-) when dissolved in water. They turn red litmus paper blue and have a pH value greater than 7. Salts are formed when acids react with bases, resulting in the neutralization process. They are formed by the combination of positive ions (cations) from bases and negative ions (anions) from acids. Understanding the properties and uses of acids, bases, and salts is important in various applications, such as in the preparation of medicines, household cleaning agents, and agricultural practices.

What are acids? a) Substances that can donate hydrogen ions when dissolved in water b) Substances that can accept hydrogen ions when dissolved in water c) Substances that turn blue litmus paper red d) Substances with a pH value less than 7 Answer: a) Substances that can donate hydrogen ions when dissolved in water

How are bases characterized? a) Sour-tasting substances b) Substances that can donate hydrogen ions c) Substances that turn red litmus paper blue d) Substances with a pH value less than 7 Answer: c) Substances that turn red litmus paper blue

What are salts formed from? a) Acids and bases b) Acids and metals c) Bases and metals d) Bases and water Answer: a) Acids and bases

What is the pH value of acids? a) Less than 7 b) Equal to 7 c) Greater than 7 d) Variable Answer: a) Less than 7

In which applications are acids, bases, and salts commonly used? a) Preparation of medicines b) Household cleaning agents c) Agricultural practices d) All of the above Answer: d) All of the above

Hope the information shed above regarding Case Study and Passage Based Questions for Class 10 Science Chapter 2 Acids, Bases, and Salts with Answers Pdf free download has been useful to an extent. If you have any other queries about CBSE Class 10 Science Acids, Bases, and Salts Case Study and Passage Based Questions with Answers, feel free to comment below so that we can revert back to us at the earliest possible. By Team Study Rate

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Case Study Questions Class 10 Science Control and Coordination

Case study questions class 10 science chapter 7 control and coordination.

CBSE Class 10 Case Study Questions Science Control and Coordination. Important Case Study Questions for Class 10 Board Exam Students. Here we have arranged some Important Case Base Questions for students who are searching for Paragraph Based Questions Control and Coordination.

At Case Study Questions there will given a Paragraph. In where some Important Questions will made on that respective Case Based Study. There will various types of marks will given 1 marks, 2 marks, 3 marks, 4 marks.

CBSE Case Based Questions Class 10 Science Biology Chapter 7

Case study : 1.

If the body design in the squirrel relied only on electrical impulses via nerve cells, the range of tissues instructed to prepare for the coming activity would be limited. On the other hand, if a chemical signal were to be sent as well, it would reach all cells of the body and provide the wideranging changes needed. This is done in many animals, including human beings, using a hormone called adrenaline that is secreted from the adrenal glands.

i) which is the target organ for the adrenaline hormone?

Ans: Heart is the target organ for the adrenaline hormone which increases the heartbeat rate.

ii) Which hormone is released by thyroid gland?

Ans: Thyroxine is released by thyroid gland.

iii) What is the function of thyroxine hormone?

Ans: It regulates carbohydrate, protein and fat metabolism in the body and promote the best balance for growth.

iv) Name the hormone released by ovary?

Ans: Estrogen and progesterone

V) Name the three hormonal glands located in the brain?

Ans: Pineal, pituitary and hypothalamus

CASE STUDY : 2

Some plants like the pea plant climb up other plants or fences by means of tendrils. These tendrils are sensitive to touch. When they come in contact with any support, the part of the tendril in contact with the object does not grow as rapidly as the part of the tendril away from the object. This causes the tendril to circle around the object and thus cling to it. More commonly, plants respond to stimuli slowly by growing in a particular direction. Because this growth is directional, it appears as if the plant is moving.

i) How many type of tropism are shown by plants? Name them.

Ans: Generally there are 6 type of tropism namely phototropism, gravitropism, chemotropism, thigmotropism, thermotropism and hydrotropism.

ii) The touch me not plant is an example of which tropism?

Ans: it is an example of thigmotropism.

iii) give one example of chemotropism?

Ans: growth of pollen tubes to wheels is one example of chemotropism.

iv) Name the plants hormone which promotes cell division?

Ans: Cytokinins promotes cell division in plants.

v) Name the plant hormone which inhibits growth?

Ans: Abscisic acid

CASE STUDY : 3

We also think about our actions. Writing, talking, moving a chair, clapping at the end of a programme are examples of voluntary actions which are based on deciding what to do next. So, the brain also has to send messages to muscles. This is the second way in which the nervous system communicates with the muscles. The communication between the central nervous system and the other parts of the body is facilitated by the peripheral nervous system consisting of cranial nerves arising from the brain and spinal nerves arising from the spinal cord. The brain thus allows us to think and take actions based on that thinking.

i) what are the three major parts of the brain?

Ans: Forebrain, Midbrain and hindbrain.

ii) what are the function of medulla?

Ans: It controls all the involuntary action such as blood pressure, salivation, vomiting, etc.

iii) Which fluid is present in our brain?

Ans: Cerebrospinal fluid.

iv) What is the function of hypothalamus?

Ans: It regulates homeostasis, releases hormones.

v) What is the function of mid brain?

Ans: The mid brain connects the forebrain and hindbrain.

CASE STUDY : 4

Body consists of dense networks of intricately arranged neurons. It sits in the forward end of the skull, and receives signals from all over the body which it thinks about before responding to them. Obviously, in order to receive these signals, this thinking part of the brain in the skull must be connected to nerves coming from various parts of the body.

i) What is reflex?

Ans: It is the sudden action done in response to something in the environment.

ii) How does the nervous tissue cause action?

Ans: When a nerve impulse  reaches the muscles, the muscles fibres move by changing their shape and their arrangements in the cell.

iii) What is the function of the motor neuron?

Ans: It transmits the impulses from spinal cord to skeletal muscles.

iv) What is reflex arc?

Ans: It is the neural pathway that controls reflex starting from a sensory neuron and end at effector.

v) What is the role of sensory neuron?

Ans: It carry signals from outer part of body to central nervous system.

CASE STUDY : 5

In animals, such control and coordination are provided by nervous and muscular tissues. Touching a hot object is an urgent and dangerous situation for us. We need to detect it, and respond to it. How do we detect that we are touching a hot object? All information from our environment is detected by the specialised tips of some nerve cells. These receptors are usually located in our sense organs, such as the inner ear, the nose, the tongue, and so on. So gustatory receptors will detect taste while olfactory receptors will detect smell.

i) What are the parts of neuron?

Ans: Dendrite, nucleus, axon, nerve ending and a cell body.

ii) Which part of neuron receive the information first?

Ans: Dendritic tip receive the information first.

iii)  At which place the electrical impulse get converted to a chemical impulse?

Ans: At synapse or a gap between nerve ending and a dendritic tip.

iv) What is neuromuscular junction?

Ans: The neuromuscular is made up of two words neuron & muscles, so it is the place where neuron and muscle fibre meet.

v) Draw the picture of neuron?

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CBSE 10th Result 2024: Check your Result Online

Class 10 High School Result 2024 by the Central Board of Secondary Education (CBSE) is out today, May 13, 2024. Students can access their scores via official websites like cbse.gov.in and cbseresults.nic.in , Digilocker , and the UMANG app with their login details.

Highlights The CBSE Board has published the 10th Result 2024. Access the CBSE 10th Result 2024 Mark Sheet on cbse.nic.in, cbse.gov.in, Digilocker, and UMANG app. To download the CBSE Result 2024 Class 10 mark sheet, utilize the roll number, school number, centre number, and admit card ID

CBSE 10th Result 2024

How to check cbse class 10th result online, cbse 10th result 2024 check online: list of websites to download cbse board result 2024 mark sheet, cbse 10th total marks 500 or 600, how to download cbse 10th result 2024, important note, faqs – class 10th cbse result.

Step 1: Visit the official CBSE results website

The first step is to visit the official CBSE results website.

Step 2: Click on the link for Class 10 results

On the homepage, you will find a link for the Class 10 results. Click on this link.

Step 3: Enter your details

You will be asked to enter your roll number, school code, and other details. Make sure you enter these correctly.

Step 3: Click on the ‘Submit’ button

After entering your details, click on the ‘Submit’ button.

Step 4: View your result

Your result will be displayed on the screen. You can now view your scores.

Step 5: Download and print

It is advisable to download a copy of the result and take a printout for future reference.

Students can download the CBSE Result 2024 Class 10 mark sheet at the following online portals:

cbse.gov.in

cbse.nic.in

cbseresults.nic.in

CBSE total marks for 10th are 500.

Step 2: Find the link for Class 10 results

Step 4: Submit the details

Step 5: Access your result

Step 5: Download the result

The websites may experience high traffic during peak hours. Students are advised to be patient and try again after some time if they encounter any difficulty accessing their results.

The Central Board of Secondary Education (CBSE) declared the much-awaited Class 10th results on Monday, May 13, 2024. Students who appeared for the board exams can now check their scores online on the official website of CBSE: https://cbseresults.nic.in/

When was Class 10 result declared in 2024?

The CBSE Class 10th Result for the session 2023-24 was declared on May 13, 20241. The results were made available on the official CBSE results website and other platforms

What if I Forgot my Roll Number?

Use the CBSE Roll Number Finder: The Central Board of Secondary Education (CBSE) provides a roll number finder tool on their website. This is specifically for situations where you’ve misplaced your admit card. Visit the CBSE website: https://www.cbse.gov.in/ Click on the “Roll Number Finder” link (you might find it under the “Results” section). Choose “Class 10” and enter the required details: Your name Father’s name Mother’s name Date of birth Click “Search Data” and your roll number should be displayed on the screen.

Is there any SMS Service to check results?

Yes, there absolutely is an SMS service to check your CBSE Class 10 results! Here’s what you need to do: Compose a new text message. In the message body, type “CBSE10” (all caps). There are no spaces or any other characters. Send the message to 7738299899. This is the official SMS service number provided by CBSE. Once you send the message, you should receive a reply text containing your exam results.

Are the results available on other platform as well?

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CBSE Class 11th Psychology Syllabus 2024-25: Download PDF for Board Exam

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CBSE Class 11 Psychology Syllabus 2024-25: The Central Board of Secondary Education (CBSE) has officially released the class 11 psychology syllabus. Students can check out the Class 11 Psychology syllabus in this article. The syllabus is well designed with the course related information which will help students to have an overview of the curriculum. Students can check and download their CBSE Class 11 Psychology syllabus and complete curriculum here. 

Along with the details of the course content and evaluation scheme, students can also check the question paper design and practical details. The downloadable link for the complete syllabus is also attached in the conclusion of the article. To know more about class 11 Psychology syllabus read the complete article till end. 

Also Read: CBSE Class 11 syllabus 2024-25 (All Subjects)

CBSE Class 11 Psychology Syllabus 2024-25: Objectives

• To develop appreciation about the human mind and behavior in the context of learners’ immediate society and environment.
• To develop in learners an appreciation of the nature of psychological knowledge and its application to various aspects of life.
• To enable learners to become perceptive, socially aware and self-reflective.
• To facilitate students’ quest for personal growth and effectiveness, and to enable them to become responsive and responsible citizens.

Chapter wise-weightage:  

The table below reflects the unit along with the title and mark allocation to the chapters. Refer the table below for more understanding: 

CBSE Class 11 Psychology 2024-25 Course Structure 

The CBSE Class 11 Psychology subject code is 037. The theory paper consists of 70 marks, with three hours duration. The information below showcases the unit name, chapters, number of periods along with the mark allocation of the chapters. Check out the table below for more detailed understanding: 

CBSE Class 11 Psychology 2024-25 Question Paper Design 

The theory paper holds 70 marks in total and the duration is three hours

II. Practical: 30 Marks

The practical assessment scheme for Psychology in class 11 is broken down into multiple parameters. Students can view the evaluation criteria and their corresponding marks in the above mentioned table. 

CBSE Class 11 Psychology Syllabus 2024-25 

Get a PDF download of the latest CBSE Class 11 Psychology curriculum here. The key pointers of this article is syllabus weightage, course overview and practical evaluation scheme . Students can access the direct link to the PDF to download and check the latest update regarding the CBSE Class 11 Psychology syllabus. 

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Important case study questions for cbse class 10: practice important case study/source-based questions from essential themes of cbse class 10. these source-based questions are important for the upcoming cbse class 10  board exam 2024..

CBSE Class 10 Exam 2024: CBSE Class 10 introduces Case Study Based Questions to enhance students' analytical and problem-solving skills. These questions present real-life scenarios or situations, triggering students to apply their knowledge to solve them. Overall, Case Study Based Questions are a valuable addition to the CBSE curriculum, encouraging active learning and preparing students for real-life challenges.

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CBSE Class 10th - SCIENCE : Chapterwise Case Study Question & Solution

In board exams, students will find the questions based on assertion and reasoning. Also, there will be a few questions based on case studies. In that, a paragraph will be given, and then the MCQ questions based on it will be asked. For Science subjects, there would be 5 case-based sub-parts questions, wherein a student has to attempt 4 sub-part questions.

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New Delhi [India], May 13: The wait is over for lakhs of students throughout India! The Central Board of Secondary Education (CBSE) announced the long-awaited Class 10 &12 results on May 13, 2024. If you are a student who appeared for CBSE Class10 & 12 board exams this year, you can now relax a bit and check your results online on the official CBSE websites – cbseresults.nic.in and cbse.gov.in – or through other digital platforms such as DigiLocker (digilocker.gov.in) and the UMANG App.

Here is a quick guide to checking your CBSE Class 10 & 12 Result 2024:

How to Check Your Results Online for CBSE Class 10 & 12 Exams?

The CBSE class 10 & 12 results are available online, which makes it very simple and easy for students to access them from wherever they are.

* Visit one of the following official websites: cbse.gov.in or results. cbse.nic.in.

* Type in your CBSE roll number and school number in the boxes provided.

* Click the “Submit” button.

* Your CBSE Class 10 or 12 Result 2024 will be displayed on the screen.

* Download a clear copy of your result for future use.

Steps for Downloading CBSE Class 10 & 12 Result 2024 via DigiLocker

DigiLocker offers another simple way to access your CBSE Class 10 & 12 results 2024 – your digital mark sheet. Students who have registered their mobile numbers with CBSE will receive an SMS containing their DigiLocker account details.

Important Note: Those who have not yet registered on DigiLocker will need to do it before getting to their mark sheet online. Here’s a step-by-step guide for those using DigiLocker:

* Go to the official DigiLocker website – digilocker. gov.in and set up an account (if you don’t have one already).

* After logging in, go to the “Profile” section and make sure your Aadhaar number is updated. This might be a part of the registration process as well.

* Select the “Pull Partner Documents” option from the menu.

* The next screen will have two drop-down menus. Use them to choose “Central Board of Secondary Education” and “Class 10/12 Marksheet” respectively.

* Security Measures: Security is an additional layer when obtaining marksheets from DigiLocker. In order to protect the privacy and security of student data, a PIN must be used.

How to Get Your PIN for DigiLocker for CBSE Class 10 & 12 Results 2024?

Students who want their Class 10 & 12 marksheets in Digital Locker should initiate the account confirmation process through a dedicated website cbseservices.digilocker.gov.in/activate cbse. Remember that you will need a four-digit PIN while downloading your mark sheet from the app. This pin is the main safety measure put in place to protect your academic certificates, which are very important in life.

Understanding CBSE Class 10 & 12 Result 2024 Passing Criteria

Below are the requirements that must be met by candidates to pass exams conducted by CBSE for class twelve:

* Get at least 33% marks (or E grade) in each of five main external subjects (theory part). The latter rule applies both to regular examinations as well as compartmental ones if any.

* Must score minimum 33% aggregate marks comprising of theory and practical parts separately along with at least 33% individually both internal and external components taken together in practical subjects.

* This means that even if your grades fall below the passing level of 33%, provided your internal assessment exceeds a certain limit, excluding exemptions, you may still secure a pass certificate from the board for that subject.

Recommended Books:

CBSE Books | Class 10 | Class 12 | For 2025 Board Exams – Click Here

CBSE Question Bank Class 12 | For 2025 Board Exams – Click Here

CBSE Previous Years Solved Papers Class 12 | For 2025 Board Exams – Click Here

CBSE Question Bank Class 10 | For 2025 Board Exams – Click Here

CBSE Previous Year Solved Papers Class 10 | For 2025 Board Exams – Click Here

What Information Will You Find on Your CBSE Class 10 & 12 Result 2024?

The CBSE Class 10 & 12 Result 2024 will display various details about your performance, including:

* Name of Examination (CBSE Class 10 or 12 Examination)

* Board Name (Central Board of Secondary Education)

* Class (Class 10 or 12)

* Student Name

* Roll Number

* Mother’s Name

* Father’s Name

* Date of Birth

* Subject Name

* Subject Code

* Theory Marks

* Practical Marks (if applicable)

* Total Marks

* Positional Grade (within your school)

* Final Result (Pass/ Not Pass)

What’s After Your CBSE Class 10 & 12 Results Declared In 2024?

So now, what did we do?

In the case of students who have done well: Take a moment to appreciate your achievements. During this time, research on higher learning institutions and courses that match your field of interest. Consequently, start looking into what you can expect in terms of the entry exams.

On the other hand, for the students that failed to get their expected outcome: Do not be discouraged; it does not mean that you cannot do better. Re-evaluate your performance and identify weak areas. Possible improvements and support from teachers or mentors may be needed as well. Similarly, understand that there are many ways leading to success.

Looking Ahead- Important Resources for Future CBSE students for 2025 Board Exams

Each year, after the dust settles on exams in 2024, there will be a new group of incoming students preparing for the next academic year. Therefore, here are some friendly resources for CBSE Class 10 and 12 students in 2025:

CBSE Sample Question Papers Class 10 and 12: Familiarizing oneself with the exam pattern as well as question structures is essential if one has to prepare effectively. The CBSE board provides sample question papers through its website.

CBSE Class 10 and 12 Question Banks: We are not mentioning any particular books but Question Banks for Class 10 & 12 2025 by Oswaal Books can help in revising thoroughly. This question banks include those which cover entire syllabus, including different types of questions together with solutions that are exhaustively explained.

CBSE Class 10 and 12 Books: The choice of study materials counts a lot during exam preparation. Go for CBSE Class 10 Books and CBSE Class 12 Books based on current CBSE curriculum requirements. Remember, one size doesn’t fit all; try other resources until you find out what works best for you.

Other tips to succeed in CBSE Class 10 & 12 Board Examinations

Make a Study Plan: You can’t afford to miss even one minute because consistency is what matters. Therefore, a well-organized study plan should be developed that provides enough time for each subject.

Understand the concepts and not just memorizing them: Rote learning can help you pass exams but understanding the concepts will be beneficial in the long run.

Practice Regularly: Work on previous years’ question papers, mock tests as well as CBSE Sample Question Papers Class 10 2025 and CBSE Sample Question Papers Class 12 2025. This will polish your problem-solving skills and timing techniques.

The CBSE Class 10 and 12 results are a notable accomplishment of students and proof of their commitment. Whichever way your scores go, celebrate the work you have done so far and respect the progress you have made.

Take this time to think about your strengths and weaknesses, spot the areas for improvement, and set the realistic goals for the future. Keep in mind that these results mark only the first stage of your academic endeavours. With your determination and hardwork, you can make wonders happen.

We would like to wish all the CBSE Class 10 and 12 students the very best for their future.

(ADVERTORIAL DISCLAIMER: The above press release has been provided by SMPL. ANI will not be responsible in any way for the content of the same)

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CUET UG Admit Card 2024 Released: Download at exam.nta.ac.in

Nta released cuet ug admit card 2024: candidates are advised to ensure the availability of their login credentials, including date of birth and roll number..

NTA CUET UG Admit Card 2024 Out: The National Testing Agency (NTA) has officially released the admit cards for the Common University Entrance Test Undergraduate (CUET UG) 2024 on the designated official websites – exams.nta.ac.in, nta.ac.in, and cuetug.ntaonline.in. It is recommended that candidates intending to participate in the forthcoming examinations promptly review and procure their admit cards to prevent any potential delays.

To facilitate seamless access to CUET UG 2024 admit cards, candidates are advised to ensure the availability of their login credentials, including date of birth and roll number.

The impending examination will adopt a hybrid format, incorporating both traditional pen-and-paper assessments and computer-based testing (CBT). The pen-and-paper assessments are scheduled to be conducted from May 15 to 18, with the distribution of city intimation slips already completed for those dates. The CBT examinations are slated for May 21, 22, and 24; however, the issuance of city intimation slips for these sessions is currently pending.

This year, a total of 13.48 lakh candidates across 380 cities, encompassing 26 cities beyond the borders of India , are expected to participate in the examination. The examination will span a duration of seven days and will encompass 63 test papers, each typically lasting 45 minutes, with exceptions for certain subjects.

CUET UG 2024: How to download admit cards?

To obtain the CUET UG 2024 admit cards, please follow these steps:

1. Access the official NTA website at exams.nta.ac.in.

2. Locate and select the highlighted link tab displayed on the homepage.

3. Input your login credentials, such as your date of birth and roll number, into the designated fields.

4. Proceed by clicking on the “Submit” button.

5. Once your information is successfully submitted, proceed to download the admit card.

6. Save the downloaded admit card for future reference and examination purposes.

CUET UG 2024: Important details on admit card

The admit card contains essential information pertinent to the examination, including:

1. Exam Centre Details

2. Reporting Time

3. Paper Timing

4. Exam Day Instructions

It is imperative for candidates to carefully review all the details mentioned on the admit card and adhere to the instructions provided to avoid any inconvenience or disqualification during the examination process.

CUET UG 2024: Other Details

In the CUET UG examination for the year 2024, the demographic breakdown of applicants reveals a total of 7,17,000 male applicants and 6,30,000 female applicants. Each candidate is eligible to apply for up to six subjects, and the examination encompasses 261 universities.

Regarding language options, CUET (UG) – 2024 will be conducted in 13 languages, namely: English, Hindi, Assamese, Bengali, Gujarati, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu, and Urdu.

As for question attempts, candidates are required to answer 40 out of 50 questions in each language paper. For the General Test, candidates must attempt 50 questions out of a total of 60.

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Kerala Plus One Admission 2024-25: HSCAP +1 registration begins on May 16; check eligibility, important dates and more

Important Dates

• Applications available starting: May 16, 2024, 4 PM onwards
• Last date to submit applications: May 25, 2024
• Trial allotment list release: May 29, 2024
• First allotment list release: June 6, 2024 (for merit quota admissions)

Eligibility

Admission process.

• Visit the official website at hscap.kerala.gov.in
• On the homepage, click on 'APPLY ONLINE-SWS' option
• Select your district.
• The application form will appear. Fill in details like registration number, exam details, personal information, residence, and any applicable bonus points (with supporting documents).

Application Fee

• General category applicants: ₹25
• Scheduled Caste and Scheduled Tribe applicants: ₹10

Documents Required

• SSLC (Class 10) Mark Sheet
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• Certificates for claiming bonus points (e.g., residence certificates, NCC certificates, sports certificates)

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Case Study and Passage Based Questions for Class 10 Science Chapter 6 Life Processes

• Last modified on: 3 years ago
• Reading Time: 7 Minutes

In CBSE Class 10 Science Paper, Students will have to answer some questions based on  Assertion and Reason . There will be a few questions based on case studies and passage based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Here, we have provided case based/passage based questions for Class 10 Science  Chapter 6 Life Processes .

Question 1:

Read the following and answer any four questions from (i) to (v).

All living cells need nutrients, O, and other essential substances. Also, the waste and harmful substances need to be removed continuously for healthy functioning of cells. So, a well developed transport system is mandatory for living organisms. Complex organisms have special fluids within their bodies to transport such materials. Blood is the most commonly used body fluid by most of the higher organisms. Lymph also helps in the transport of certain substances.

(i) Which of the following does not exhibit phagocytic activity? (a) Monocytes (b) Neutrophils (c) Basophil (d) Macrophage

(ii) Amount of blood corpusles in changed in dengue fever. One of the common symptoms observed in people infected with dengue fever is (a) significant decrease in RBC count (b) significant decrease in WBC count (c) significant decrease in platelets count (d) significant increase in platelets count.

(iii) Why are WBCs called soldiers of the body? (a) They are capable of squeezing out of blood capillaries. (b) They are manufactured in bone marrow. (c) They fight against disease causing germs. (d) They have granular cytoplasm with lobed nucleus.

(iv) Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. (a) Erythrocytes (b) Neutrophils (c) Leucocytes (d) Thrombocytes

(v) Which of the following is the correct feature of lymph? (a) It is similar to the plasma of blood, but is colourless and contains less proteins. (b) It is similar to the WBCs of blood, but is colourless and contain more proteins. (c) It is similar to the RBCs of blood and red in colour. (d) It contains more fats.

Question 2:

Heterotrophic nutrition is a mode of nutrition in which organisms obtain readymade organic food from outside sources. The organisms that depend upon outside sources for obtaining organic nutrients are called heterotrophs. Heterotrophic nutrition is of three types: saprophytic, parasitic and holozoic nutrition.

(i) In which of the following groups of organisms food material is broken outside the body and absorbed? (a) Mushroom, green plants, Amoeba (b) Yeast, mushroom, bread mould (c) Paramecium, Amoeba, Cuscuta (d) Cuscuta, lice, tapeworm

(ii) Which of the following is a parasite? (a) Yeast (b) Taenia (c) Amoeba (d) Earthworm

(iii) Which of the following is an example of saprotroph? (a) Grass (b) Mushroom (c) Amoeba (d) Paramecium

(iv) Heterotrophic nutrition involves (a) production of simple sugar from inorganic compounds (b) utilisation of chemical energy to prepare food (c) utilisation of energy obtained by plants (d) all of these.

(v) In Paramecium, food enters the body through (a) mouth (b) pseudopodia (c) cilia (d) cytostome

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Exam Special Series:

• Sample Question Paper for CBSE Class 10 Science (for 2024)
• Sample Question Paper for CBSE Class 10 Maths (for 2024)
• CBSE Most Repeated Questions for Class 10 Science Board Exams
• CBSE Important Diagram Based Questions Class 10 Physics Board Exams
• CBSE Important Numericals Class 10 Physics Board Exams
• CBSE Practical Based Questions for Class 10 Science Board Exams
• CBSE Important “Differentiate Between” Based Questions Class 10 Social Science
• Sample Question Papers for CBSE Class 12 Physics (for 2024)
• Sample Question Papers for CBSE Class 12 Chemistry (for 2024)
• Sample Question Papers for CBSE Class 12 Maths (for 2024)
• Sample Question Papers for CBSE Class 12 Biology (for 2024)
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• Master Organic Conversions CBSE Class 12 Chemistry Board Exams
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• 10 Years CBSE Class 12 Physics Previous Year-Wise Solved Papers (2023-2024)
• 10 Years CBSE Class 12 Maths Previous Year-Wise Solved Papers (2023-2024)
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