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Class 8 Science Case Study Question and Answer: CBSE / NCERT Board Class 8 Science Case Study Question prepared by expert Science Teacher. Students can learn Case Based Question / Paragraph Type Question for NCERT Class 8 Science.

There are total 18 chapter Crop Production and Management, Microorganisms: Friend and Foe

, Synthetic Fibres and Plastics, Materials: Metals and Non-Metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell – Structure and Functions, Reproduction in Animals, Reaching the Age of Adolescence, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water

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CBSE Class 8 Science Case Study Question

• Chapter 1 Crop Production and Management Case Study Question
• Chapter 2 Microorganisms: Friend and Foe Case Study Question
• Chapter 3 Synthetic Fibres and Plastics Case Study Question
• Chapter 4 Materials: Metals and Non-Metals Case Study Question
• Chapter 5 Coal and Petroleum Case Study Question
• Chapter 6 Combustion and Flame Case Study Question
• Chapter 7 Conservation of Plants and Animals Case Study Question
• Chapter 8 Cell – Structure and Functions Case Study Question
• Chapter 9 Reproduction in Animals Case Study Question
• Chapter 10 Reaching the Age of Adolescence Case Study Question
• Chapter 11 Force and Pressure Case Study Question
• Chapter 12 Friction Case Study Question
• Chapter 13 Sound Case Study Question
• Chapter 14 Chemical Effects of Electric Current Case Study Question
• Chapter 15 Some Natural Phenomena Case Study Question
• Chapter 16 Light Case Study Question
• Chapter 17 Stars and the Solar System Case Study Question
• Chapter 18 Pollution of Air and Water Case Study Question

What is Case Study Question?

Ans. At case Study there will one paragraph and on the basis of that concept some question will made. Students have to solve that question.

How many marks will have at case based question?

Most of time 5 questions will made from each case. There will 1 or 2 marks for each question.

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Case Study Questions Class 8 Science Crop Production and Management

Case study questions class 8 science chapter 1 crop production and management.

CBSE Class 8 Case Study Questions Science Crop Production and Management. Important Case Study Questions for Class 8 Board Exam Students. Here we have arranged some Important Case Base Questions for students who are searching for Paragraph Based Questions Crop Production and Management.

CBSE Case Study Questions Class 8 Science Crop Production and Management

Case study 1.

Que. 1) Soyabean which is generally sown from June to September isan example of …………………………………………………………………………………….. crops.

(b) Humidity

Que. 2) (d) Mustard

Que. 3) (c) Literacy

Case study 2

Que. 1) Which of the following organism is widely known as the friends of farmers?

(a) For proper mixing of manure in soil

(b) To reduce the workload

Case study 3

Sowing is an important part of cropproduction. Before sowing, good quality,clean and healthy seeds of a goodvariety—are selected. Farmers prefer touse seeds which give high yield.

(c) Harvesting

Que. 2) (c) Seed drill

Case study 4

In the previous classes, you havelearnt about Rhizobium bacteria.These are present in the nodules ofroots of leguminous plants. They fixatmospheric nitrogen.Advantages of Manure: The organicmanure is considered better thanfertilisers. This is because:

(c) Rise the amount of microbes

(b) Rhizobium bacteria

Case study 5

The mainmethods used are as follows:(i) Sprinkler System: Thissystem is more useful on theuneven land where sufficientwater is not available. Theperpendicular pipes, havingrotating nozzles on top, arejoined to the main pipelineat regular intervals. Whenwater is allowed to flowthrough the main pipe under pressurewith the help of a pump, it escapes fromthe rotating nozzles. It gets sprinkledon the crop as if it is raining.Sprinkler is very useful for lawns, coffeeplantation and several other crops(ii) Drip system: In this system, thewater falls drop by drop directly nearthe roots. So, it is called drip system. Itis the best technique for watering fruitplants, gardens and trees.Water is not wasted at all. It is a boon inregions where availability of water is poor.

Que. 2) Which one of the following examples is a traditional method of irrigation?

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Crop Production and Management Class 8 Case Study Questions Science Chapter 1

Last Updated on April 5, 2024 by XAM CONTENT

Hello students, we are providing case study questions for class 8 science. Case study questions are the new question format that is introduced in CBSE board. The resources for case study questions are very less. So, to help students we have created chapterwise case study questions for class 8 science. In this article, you will find case study questions for cbse class 8 science chapter 1 Crop Production and Management. 

Table of Contents

Case Study Questions on Crop Production and Management

Question 1: A boy named Yash from Gwalior who studies in 8th standard is very fond of plants. He has a small garden in the backyard. Where he’s planted many small plants and takes good care of them. He regularly waters all the plants and uses fertilizers on them to keep them healthy. One day, a small announcement was made in school. In summer vacations, every student needs to do a project according to his/her own interest. Yash decided to grow a plant during summers and present it in front of the whole class as his project. Yash decided to grow peas. So he went to the market and bought the best quality seeds, sand and fertilizers. He came back home, went to the backyard and planted the seed. Started taking good care of it. But as day passed he began to realise that the seeds he planted are getting worse. The plant was unhealthy and very poor in quality. He tried everything but was unable to figure out the solution.

Q.1. Rabi crops are grown in which period? (a) February to June (b) October to March (c) June to November (d) December to January

Difficulty Level: Easy

Ans. Option (b) is correct. Explanation: Rabi crops are grown in winters from October to March and harvested in spring. They require warm climate for germination of seeds and cold climate to grow. Wheat, pea, barley are the examples of rabi crops.

Also read: Crop Production and Management Assertion Reason Questions Class 8 Science

Q.2. Which system is used for irrigation? (a) Water (b) Sprinkler System (c) Drip System (d) Both b and c

Ans. Option (d) is correct. Explanation: Sprinkler system- It is the modern method of irrigation. In this system water passes through a pipe generally by pumping to watering a farm. In this, water is split into tiny drops that falls to the farms. Drip System- It is also a method of modern irrigation. In this system, water falls drop by drop near the roots. it is a type of micro-irrigation which helps to save water.

Q.3. Why Yash’s crops were grown unhealthy?

Ans. Peas are the Rabi Crops which grows in winters i.e. from October to march and requires low temp at the seedling stage.

Q.4. What are the disadvantages of fertilisers?

Difficulty Level: Medium

Ans. The disadvantages of fertilisers are – (i) Fertilisers change the nature of the soil and reduce its fertility. (ii) Inadequate use of fertilisers can lead to pollution.

• Chemical Effects of Electric Current Class 8 Case Study Questions Science Chapter 11
• Sound Class 8 Case Study Questions Science Chapter 10
• Friction Class 8 Case Study Questions Science Chapter 9
• Force and Pressure Class 8 Case Study Questions Science Chapter 8
• Reaching the Age of Adolescence Class 8 Case Study Questions Science Chapter 7
• Reproduction in Animals Class 8 Case Study Questions Science Chapter 6
• Conservation of Plants and Animals Class 8 Case Study Questions Science Chapter 5
• Combustion and Flame Class 8 Case Study Questions Science Chapter 4

Coal and Petroleum Class 8 Case Study Questions Science Chapter 3

Microorganisms: friend and foe class 8 case study questions science chapter 2, topics from which case study questions may be asked.

• Knowing types of crops.
• Learning various agricultural practices involved in crop production.
• Discussing the irrigation methods used in agriculture.
• Knowing how to protect crops from pests.
• Discussing harvesting of crops and storage of grains.
• Knowing about animal husbandry.

Living organisms need food for their growth and survival. You know that plants can prepare their own food. Animals obtain their food from plants and other animals.

We, human beings also depend on plants for our food. In order to provide food for the increasing population, we need to increase the production of the food we obtain. For this purpose, regular production, proper management and distribution of food are necessary.

This chapter deals with how various agricultural practices are useful to obtain food on large scale. So based on this the above topic list is provided.

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Case Study Questions for Class 8 Science Chapter 2 Microorganisms-Friend and Foe

• Last modified on: 1 year ago
• Reading Time: 6 Minutes

Here we are providing case study questions for CBSE Class 8 science Chapter 2 Microorganisms-Friend and Foe.

Case Study Questions

Question 1:

Daksh lived in delhi and he loves to play football. But as of now his half yearly exams were going on so his mother didn’t allow him to go out and play. She promised Daksh that as soon as his exams are over he can go and play. Post exams he went out to play football with his friends in the park. Suddenly a mosquito bit him under his left knee. He came home and everything was normal that time. The next day his health started getting affected. His Parents rushed him to the doctor. The doctor prescribed some medicines and some medical tests. The next day parents went to the doctor with Daksh’s medical report. In that report the platelet counts were very low. The doctor diagnosed him with Dengue fever. Daksh was hospitalised for some time and followed a strict diet to recover as early as possible. And eventually some days passed and he recovered.

Q. 1. Organisms which cannot be seen by naked eye. (a) Plants (b) Animals (c) Microorganisms (d) None of these

Q. 2. The causative organisms of dengue is (a) Anopheles mosquito (b) Aedes aegypti mosquito (c) Dengue virus (d) None of these

Q. 3. How does dengue virus spread?

Q. 4. Write any three preventive measures for dengue fever.

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