class 7 science case study based questions

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Cbse, ncert and icse solution online, class 7 science case study question, case study question class 7 science (cbse / ncert board).

Class 7 Science Case Study Question and Answer: CBSE / NCERT Board Class 7 Science Case Study Question prepared by expert Science Teacher. Students can learn Case Based Question / Paragraph Type Question for NCERT Class 7 Science.

There are total 18 chapter Nutrition in Plants, Nutrition in Animals, Fibre to Fabric, Heat, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Winds, Storms and Cyclones, Soil, Respiration in Organisms, Transportation in Animals and Plants, Reproduction in Plants, Motion and Time, Electric Current and Its Effects, Light, Water: A Precious Resource, Forests: Our Lifeline, Wastewater Story

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CBSE Class 7 Science Case Study Question

• Chapter 1 Nutrition in Plants Case Study Question
• Chapter 2 Nutrition in Animals Case Study Question
• Chapter 3 Fibre to Fabric Case Study Question
• Chapter 4 Heat Case Study Question
• Chapter 5 Acids, Bases and Salts Case Study Question
• Chapter 6 Physical and Chemical Changes Case Study Question
• Chapter 7 Weather, Climate and Adaptations of Animals to Climate Case Study Question
• Chapter 8 Winds, Storms and Cyclones Case Study Question
• Chapter 9 Soil Case Study Question
• Chapter 10 Respiration in Organisms Case Study Question
• Chapter 11 Transportation in Animals and Plants Case Study Question
• Chapter 12 Reproduction in Plants Case Study Question
• Chapter 13 Motion and Time Case Study Question
• Chapter 14 Electric Current and Its Effects
• Chapter 15 Light
• Chapter 16 Water: A Precious Resource
• Chapter 17 Forests: Our Lifeline
• Chapter 18 Wastewater Story

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.

Important links:

• Lakhmir Singh Class 7 Solution
• NCERT Class 7 Math Solution

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• Nutrition in Plants Class 7 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 7 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 7 science. In this article, you will find case study questions for cbse class 7 science chapter 1 Nutrition in Plants.

Table of Contents

Case Study Questions on Nutrition in Plants

Question 1:

Read the given passage below and answer the question:

Carnivorous plant is especially adapted for capturing and digesting insects and other animals by means of ingenious pitfalls and traps. There are more than 600 known species of carnivorous plants. The apparent trapping mechanism, which is always a modified leaf is a distinctive feature to these plants. The pitcher plant is an example of a carnivorous plant. The leaf of the Pitcher plant is modified into pitcher like structure to trap the insects. The apex of the leaf acts like a lid which can open and close the mouth of the pitcher.

Q.1. Insect eating carnivorous plants are also called ________plant. (a) autotrophic (b) saprophytic (c) insectivorous (d) symbiotic

Difficulty Level: Easy

Ans. Option (c) is correct. Explanation: Carnivorous plants eat insects for their food requirements, so they are called insectivorous plants.

Q.2. One of the most important nutrients a pitcher plant need from insects is: (a) Carbon dioxide (b) Nitrogen (c) Water (d) Oxygen

Ans. Option (b) is correct. Explanation: Pitcher plants grow in soil that is deficient in nitrogen content so they feed on insects to obtain the nitrogen.

Q.3. Consider the following statements about the Pitcher plant: (A) It is a parasite. (B) The leaves are green in colour. (C) The hair present inside the lid is directed downward. (D) Digestive juice is secreted in the apex of the leaf. The correct statements are: (a) (A) and (B) (b) (B) and (C) (c) (C) and (D) (d) (A), (B) and (D)

Difficulty Level: Difficult

Ans. Option (b) is correct. Explanation: Pitcher plant is not a parasite. The plants are grouped under carnivorous plants as they feed upon insects. The digestive juices secreted in the pitcher, the modified part of leaf.

Q.4. What type of mode of nutrition is found in pitcher plants?

Ans. The pitcher plants have chlorophyll so they perform photosynthesis to produce their own food however, they grow in soil that lacks nitrogen content so, they feed on insects to obtain the nitrogen needed for their growth. Hence, they have both autotrophic as well as a partial heterotrophic mode of nutrition.

Q.5. How does a pitcher plant catch insects? (Medium)

Difficulty Level: Medium

Ans. When the insects land in the pitcher its lid closes and the insects are trapped and entangled into the hair. Digestive juices are secreted in the pitcher so the insects get digested and nutrients get absorbed.

Nutrition in Animals Class 7 Case Study Questions Science Chapter 2

Topics from which case study questions may be asked.

• Define nutrients.
• Discuss the mode of nutrition in plants.
• Describe the process of photosynthesis.
• List the things required for the process of photosynthesis.
• Discuss what are saprotrophs.
• Describe the symbiosis relationship.
• Discuss the nutrients replenishment in soil.

For further practice on case study questions related to Class 7 Science Chapter 1 Nutrition in Plants, we recommend exploring the link given below.

Frequently Asked Questions (FAQs) on Nutrition in Plants Case Study Questions

Q1: what are case study questions for cbse examinations.

A1: Case study questions in CBSE examinations typically involve scenarios or real-life examples, requiring students to apply their understanding of concepts to solve problems or analyze situations.

Q2: Why are case study questions important for understanding class 7 science chapters?

A2: Case study questions provide a practical context for students to apply theoretical knowledge to real-world situations, fostering deeper understanding and critical thinking skills.

Q3: How should students approach answering case study questions for CBSE?

A3: Students should carefully read the case study, identify the key issues or problems presented, analyze the information provided, apply relevant concepts and principles of plant nutrition, and formulate well-supported solutions or responses.

Q4: Are there any resources available online for students to practice case study questions on class 7 science chapters for CBSE exams?

A4: Yes, several educational websites offer case study questions for CBSE students preparing for science examinations. We also offer a collection of case study questions for all classes and subject on our website. Visit our  website  to access these questions and enhance your learning experience.

Q5: How can students effectively prepare for case study questions on nutrition in plants for CBSE exams?

A5: Effective preparation strategies include regular revision of concepts, solving practice questions, analyzing case studies from previous exams, seeking clarification on doubts, and consulting with teachers or peers for guidance and support.

Q6: How can teachers incorporate case study questions on nutrition in plants class 7 science into classroom teaching?

A6: Teachers can integrate case studies into lesson plans, group discussions, or interactive activities to engage students in active learning, promote problem-solving skills, and facilitate a deeper understanding of nutrition in plants.

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Class 7 Science Important Questions, NCERT Solutions | MCQ Tests

Access our premium content for class 7 Science in the form of NCERT Solutions, Revision Notes, Important Questions, Online MCQ Tests, and Learning Videos on myCBSEguide to improve your grades.

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User submitted papers, nutrition in plants, nutrition in animals, fibre to fabric (deleted), acids bases and salts, physical and chemical changes, weather climate and adaptations of animals to climate (deleted), winds storms and cyclones (deleted), soil (deleted), respiration in organisms, transportation in animals and plants, reproduction in plants, motion and time, electric current and its effects, water a precious resource (deleted), forests our lifeline, waste water story, life processes, natural resources and their conservation.

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The basic reason behind incorporating the subject of Science is to cultivate scientific temperament among the learners. As one of the practical subjects, science is of great interest to young minds. In this article, we will know everything about the course of class 7 Science and how can you prepare for the same.

CBSE Class 7 Science Resources

Resources related to CBSE Class 7 Science are available here on myCBSEguide . This includes the class 7 science Syllabus, Question Papers, User Submitted Papers, CBSE Revision Notes, CBSE worksheets, online tests, and learning videos. Our worksheets are available in downloadable PDF format.

Now, why should we choose the study material for class 7 science from myCBSEguide could be a genuine concern of parents, teachers, and students. To answer this, we are glad to inform you that the number of downloads of the  myCBSEguide app on Google PlayStore is more than 5 million, which says it all. This number is increasing day in and day out. Our educational content has been testified by senior teachers who are our regular customers.

Class 7 Science Syllabus & Revision Notes

The syllabus for Class 7 Science is available on the students’ dashboard , it has all the details related to the topics prescribed by the CBSE for Class 7 Science. Before setting off to prepare, one must know the syllabus well. After knowing the syllabus, the next requirement is content that is available in the textbooks. On myCBSEguide you can access the Class 7 Science Textbook in PDF.

Here you can also get Class 7 Science Revision Notes sorted chapter-wise. Notes when used properly can do wonders for the examinees. Also, it helps in understanding the concepts in a much-simplified way. Even if there remains any doubt, students can refer to the learning videos of class 7 Science from the course page. Some of the video links have been provided below.

• 02 Nutrition in Plants
• 03 Modes of Nutrition
• 04 Photosynthesis
• 05 Stomata Guard Cells
• 06 How do plants get nutrients
• 07 Parasitic insectivorous Plants
• 08 Saprotrophs

CBSE Class 7 Science NCERT Solutions

NCERT solutions are important for all CBSE students. These questions become even more important in the higher classes. Hence, students need to develop a habit of solving NCERT questions. For the NCERT Solutions of other subjects check the NCERT Solutions for Class 7 .

NCERT Class 7 Science Chapter-wise Solutions

• Acids, basis, and salts
• Electric current and its effects
• Fibre to Fabric
• Forest our lifeline
• Motion and time
• Nutrition in animals
• Nutrition in plants

Class 7 Science Sample Question Papers and Tests

In the upper primary section, the question papers from various schools serve as model question papers. On our dashboard, you can find various question papers from some of the well-known schools. Books may be different but themes are almost the same. So, to download the class 7 science sample papers, check on our website. These model question papers for class 7 science are available with complete solutions.

Students can also test their acquired knowledge through our test papers and online tests. These small tests are the best tool to provide a drill experience of the examination. Download the myCBSEguide app now to get the quality content for class 7 science.

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CBSE Class 7 Science Case Base Questions

The latest of its kind, case studies questions for class 7 science are available on myCBSEguide. In a bid to encourage competency-based learning, these questions based on real-life scenarios are incorporated to test students’ problem-solving abilities. The case base questions were first introduced for senior classes, i.e., only for the secondary and senior secondary levels. But now, this format is also adopted in the primary and upper primary classes. Get the best of class 7 science case study questions here.

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Students can download class 7 textbook questions and answers in form of NCERT solution from the myCBSEguide App or Student Dashboard for CBSE students. NCERT publishes books for CBSE and many state boards. In class 7, NCERT has books on English, Hindi, Science Social Science and mathematics. NCERT Solutions – …

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NCERT solutions for Class 7 Science

NCERT Solutions for Class 7 Science includes all the questions provided in NCERT Books for 7th Class Science Subject. Here all questions are solved with detailed explanation and available for free to check mycbseguide.com. Book: National Council of Educational Research and Training (NCERT) Class: 7th Class Subject:  Science NCERT solutions …

NCERT solutions for Class 7 Science Winds, storms and cyclones

NCERT solutions for Class 7 Science Winds, storms and cyclones book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT …

NCERT solutions for Class 7 Science Soil

NCERT solutions for Class 7 Science Soil book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class …

NCERT solutions for Class 7 Science Respiration in organisms

NCERT solutions for Class 7 Science Respiration in organisms book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text …

NCERT solutions for Class 7 Science Transportation in animal and plants

NCERT solutions for Class 7 Science Transportation in animal and plants book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from …

NCERT solutions for Class 7 Science Reproduction in plants

NCERT solutions for Class 7 Science Reproduction in plants book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text …

NCERT solutions for Class 7 Science Motion and time

NCERT solutions for Class 7 Science Motion and time book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text …

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• Important Questions for CBSE Class 7 Science (2024-25)

CBSE Class 7 Science Chapter wise Important Questions - Free PDF Download

Class 7 Science has a vivid syllabus of interesting chapters that cover the fundamental topics related to nutrition, fibres, heat, weather, climate, chemical compounds, changes, etc. These topics are all important to study and complete the syllabus for the development of a conceptual foundation. This is where you will need the Class 7 Science Term 2 Important Questions with Solutions to practise and focus on learning how to answer such questions.

Significance of CBSE Class 7 Science Term 2 Important Questions with Solutions

The chapters included in this syllabus cover excellent topics related to physics, chemistry and biology at the basic level. At this stage of the academic curriculum, students will need the assistance of the complete study material for developing a strong conceptual foundation of these topics. This study material must contain the important questions framed by the experts.

The important questions will enable students to find a platform where they can practise answering by using the concepts and principles explained in the chapters. They will also get an idea of how to attempt to answer such questions by using the solutions provided by the experts.

All the questions and respective solutions have been framed by following the latest CBSE guidelines. Hence, students will find out the context of the questions faster and will be able to relate to the topics taught in these chapters.

Practising these questions after the chapters are completed can help students to strengthen their knowledge and sharpen their answering skills for this subject.

Advantages of CBSE Important Questions for Class 7 Science Board Exam

The questions have been framed for individual chapters. Hence, separate files for all the chapters can be found on the list. These files can be accessed anytime you want to make your practice sessions more productive.

Solving these questions will help you fortify your preparation level. You can easily find out which part of a chapter needs more attention when you compare your answers to the solutions and take a step ahead in preparing an exam syllabus.

Resolve doubts related to the questions on your own by referring to the Class 7 Science Important Questions with Answers PDF. You can thus use your preparation time more efficiently.

Follow the answering format compiled by the experts in the solutions to score more in the exam. Learn how to focus on the fundamental topics while answering such questions.

Regular practice of Class 7 Science important questions improves the skills of students. The important questions for Class 7 Science along with solutions can be downloaded from Vedantu for free.

Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. can download NCERT Solutions Class 7 Science and Class 7 Maths NCERT Solutions to help you to revise complete syllabus for CBSE Class 7 Science and score more marks in your examinations.

Important Questions for CBSE Class 7 Science Chapters with Solutions

Also, check CBSE Class 7 Science Important Questions for other chapters:

Chapterwise Important Questions for CBSE Class 7 Science

CBSE Class 7 Science Question Papers Free PDF Download

Students who are in Class 7 and are experiencing that the subject Science is more difficult than they expected and they are incapable of scoring good marks in this subject, they should consider downloading CBSE Class 7 Science important questions PDF that is available for free online. This important questions Class 7 Science PDF helps the students in making their preparation efficient and better.

Efficient preparation will make the students more confident about scoring good marks in the final exams. While practising the Class 7th Science important questions that are in the PDF, students will gain a lot of knowledge that can help the students in their future career. Students with a strong base knowledge in Science can achieve any objective that they have set to achieve in the Science subject. The free 7th class Science important questions turn out to be of great help.

Class 7 Important Questions Science

Class 7 is an important stage in every student's career because the knowledge a student has gained in Class 7 will act as a base for the higher classes. A student who remains unclear and confused about chapters like  Nutrition in Plants, Nutrition in Animals, Fibre to Fabric, Heat, Acids, Bases and Salts, Physical and Chemical Changes, Soil, Winds, Storms and Cyclones, Respiration in Organisms and Reproduction in plants can't perform well in higher classes. A strong base is mandatory to perform well in higher classes. To make the base stronger, a student should practice Class 7 Science important questions regularly.

Science is a difficult and challenging subject as it involves confusing theories that are hard to remember. Students learn theories like the photosynthesis process, digestive system in humans, how wool and silk are obtained, method of measuring temperature and transfer of heat, the process of neutralisation, crystallisation process, the water absorption process by soil, respiration system in human beings and many more theories in Class 7 Science. Science subjects can act as a barrier for a student in the way of securing good marks in the exams. In order to overcome this barrier, students should consider practising Science Class 7 important questions which will help the students to get an overall view of the subject.

The solutions to these important questions are solved by some expert teachers who have years of experience in this field and have taught many children in their career which is why they know the technique of making the student understand a complicated solution in a simple way. The experienced Vedantu teachers solve the questions in a well-structured manner and simple language so that it will be understandable by every student who reads it. There are no mistakes committed by the teachers while solving this Science Class 7 important questions , thus ensuring the students that the quality of the solutions is top-notch, and they can be dependent on it The questions that are solved by Vedantu followed the rules and regulations imposed by the board because any deviations from that can cost a student a lot.

Benefits of CBSE Class 7 Science Question Papers

The only thing that a student can do who is facing difficulties while preparing the Science subject is to practice CBSE Class 7 Science important questions more and more. Some of the benefits of solved Science question papers are:-

The questions that are solved are explained briefly so that students can understand it clearly and thoroughly.

The questions are solved following the format approved by the board because any deviations from that can cost students some marks in the exams.

These questions are most likely to come in the exams, thus making the preparation of students efficient.

The questions are solved by some expert teacher who has years of experience in this field.

CBSE Class 10 Science Study Materials

Other cbse class 10 important questions related links, download cbse class 7 science important questions with answers pdf 2024.

Get the free PDF version of the questions and answers and find out how you can proceed with the preparation of a syllabus. Complete one chapter and solve its important questions to find out your preparation level. Test your knowledge and skills and make them better to score more in the Class 7 Science exams.

FAQs on Important Questions for CBSE Class 7 Science (2024-25)

1. What is nutrition?

All living organisms require food to survive and generate energy for their bodies. The process of utilizing the food for generating energy by a living organism is termed as nutrition. Plants are the only living organisms that produce their food and by themselves initiate the process of nutrition. There are two modes of nutrition which are autotrophic nutrition and heterotrophic nutrition. Living organisms that make use of autotrophic nutrition produce their own food and are termed as autotrophs. Living organisms who are dependent on other organisms for food are the ones who use heterotrophic nutrition and are known as heterotrophs.

2. Explain the human digestive system.

The human digestive system includes the gastrointestinal tract and also different organs of digestion such as the tongue, salivary glands, pancreas, liver and gallbladder. Digestion is the process of breaking down the intake of food into smaller components so that the human body can absorb the nutrients that are present in the food. The human digestive system has some enzymes which help the body to break the food into smaller parts. After utilising the food for nutrients, the remaining unused or undigested part is thrown out of the body. Students will learn all about this by regularly practising important questions for Class 7 Science.

3. How can I get free NCERT Solutions for Class 7 Science?

You can visit Vedantu's website(vedantu.com) and download the solutions freely. These solutions are well explained in the NCERT solutions very systematically. The Class 7 students can prepare the subject through NCERT solutions without any confusion. The answers are given in an accurate format teaching the students the method of answering the questions relevantly. The solutions are all given according to the chapter and all the answers from the text are given in an organised way. These solutions are available at free of cost on Vedantu(vedantu.com) and mobile app.

4. What is the method to study for Class 7 Science exam?

Students can easily study for Class 7 Science by referring to NCERT solutions. The solutions are easy to understand. The notes are very useful and help the students to have a thorough preparation for the exam.

Tips to prepare for the Class 7 science exam are; 

Read the chapters thoroughly.

Understand the concept.

Be attentive and be focused while studying.

Be thorough with the definitions and formulas.

Start the preparation early so you will have enough time for revision.

Make a study time and be regular and complete the portions accordingly.

Practise writing the answers so that the time management is accurate.

5. What are the topics in Class 7 Science?

There are a total of 18 chapters in Class 7 science. They are Nutrition in Plants, Nutrition in Animals, Fibre to Fabric, Heat, Acids Bases and Salts, Physical and Chemical Changes,  Winds, Storms and Cyclones, Soil, Respiration in organisms, Transportation in Animals and Plants, Reproduction in Plants, Motion and Time, Electric Current and Affects, Light, Water a Precious Resource, Forests our Lifeline, Wastewater story, Weather Climate and Adaptation Of Animals to Climate.

6. What are the benefits of NCERT for Class 7 Science?

The benefits of NCERT solutions for Class 7 Science are as below:

The solutions are according to the chapter organised systematically.

The answers are easy.

The explanations of the chapter are in simple language and are comprehensive.

The topics of each chapter are covered in detail.

The preparation of notes becomes easy with NCERT solutions.

The syllabus is according to the CBSE.

The NCERT solutions are prepared by experts having deep subject knowledge.

The practice of the important questions and the practice exercise will be an added advantage to prepare thoroughly.

7. What are the tips to be perfect in Class 7 Science?

Science is a very important subject and has to be prepared well with a thorough understanding. The basics and the fundamentals that are learnt in Class 7 will be useful as the topics will be continued in detail in the higher classes.

Some of the tips below can help you to be perfect in Class 7 Science.

Make a proper study structure and timetable.

Dedicate a study time according to your convenience.

Whatever the portions you have to complete make sure you are finishing the same day.

Read the chapter. When you read the chapter for the first time you might not understand it thoroughly. Read again.

Once you have understood, practise answering the questions and compare the answers if you are right or wrong.

Rectify the mistakes.

Make note of the important points according to the chapter.

Be regular in your studies.

Revise the previous day chapters.

Make your study sessions interesting.

Take breaks in between.

Once you finish the syllabus try to answer the sample question paper.

These are the simple tips and if followed you can surely be perfect in Class 7 Science. You can also refer to Vedantu’s NCERT solutions for all the chapters' answers in detail.

Important Questions for CBSE Class 7

Cbse class 7 study materials, home tuitions in india.

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• NCERT Class 7 Science

NCERT Solutions For Class 7 Science

Ncert solutions for class 7 science – download pdfs.

NCERT Solutions For Class 7 Science have been provided here to help the students in laying a strong foundation for the subject. The answers to the questions related to the topics present in NCERT Class 7 textbooks are explained in a simple and descriptive manner. NCERT Solutions will improve the quality of the answers the students write in the exam as they will start using a logical approach and methodology while answering the questions.

Class 7 Science NCERT Solutions Chapter-Wise

BYJU’S has explained all the 7th class science concepts comprehensively. If there is any trouble in grasping the topics related to Science, students can refer to the chapter-wise NCERT Solutions covered in CBSE Class 7 Science. Students can check out chapter-wise solutions from the links given below:

The following chapters have been removed from the NCERT Class 7 Science textbook 2023-24.

Fibre to Fabric

Weather, Climate and Adaptations of Animals to Climate

Winds, Storms and Cyclones

Water: A Precious Resource

NCERT Solutions for Class 7 Science

Below, students will find the description of all the chapters of CBSE class 7 science subject.

Chapter 1: Nutrition in Plants

In this lesson, students will learn about nutrients, mode of nutrition in plants, photosynthesis process , other modes of nutrition in plants, and how nutrients are replenished in the soil.

Also access the following resources for Class 7 Chapter 1 Nutrition in Plants at BYJU’S:

• Nutrition in Plants Class 7 Science Notes – Chapter 1
• NCERT Exemplar Solutions Class 7 Science Chapter 1 Nutrition in Plants

Chapter 2: Nutrition in Animals

In the previous chapter, we learnt about nutrition in plants. Now, in this chapter students will learn about nutrition in animals . The chapter starts with the mode of taking food into the body, and then the human digestive system is described in detail with a well-illustrated diagram. Then it describes the digestion of grass-eating animals. At the end of the chapter, feeding and digestion in amoeba is explained.

Also access the following resources for Class 7 Chapter 2 Nutrition in Animals at BYJU’S:

• Nutrition in Animals Class 7 Science Notes – Chapter 2
• NCERT Exemplar Solutions Class 7 Science Chapter 2 Nutrition in Animals

Chapter 3: Fibre to Fabric

This chapter explains the process of obtaining wool and silk. It describes the animals that yield wool and the process through which fibres are converted into wool. Then the topic of silk begins. It describes the life story of the silk moth and the process of obtaining silk from cocoons.

Also access the following resources for Class 7 Chapter 3 Fibre to Fabric at BYJU’S:

• Fibre to Fabric Class 7 Science Notes – Chapter 3
• NCERT Exemplar Solutions Class 7 Science Chapter 3 Fibre to Fabric

Chapter 4: Heat

In the chapter, students understand how we find out whether an object is hot or cold, how to measure temperature . Then this chapter explains about the laboratory thermometer and transfer of heat. At the end it talks about the kind of clothes we wear in summer and winters.

Also access the following resources for Class 7 Chapter 4 Heat at BYJU’S:

• Heat Class 7 Science Notes – Chapter 4
• NCERT Exemplar Solutions Class 7 Science Chapter 4 Heat

Chapter 5: Acids, Bases and Salts

This chapter helps students in understanding the basic definition of acids and bases , types of natural indicators around us, the process of neutralisation and examples of neutralisation in daily life.

Also access the following resources for Class 7 Chapter 5 Acids, Bases and Salts at BYJU’S:

• Acids, Bases and Salts Class 7 Science Notes – Chapter 5
• NCERT Exemplar Solutions Class 7 Science Chapter 5 Acids Bases and Salts

Chapter 6: Physical and Chemical Changes

Through this chapter, students will learn Physical and Chemical changes through various activities. After this, the chapter throws light on the topic, rusting of iron and crystallisation.

Also access the following resources for Class 7 Chapter 6 Physical and Chemical Changes at BYJU’S:

• Physical and Chemical Changes Class 7 Science Notes – Chapter 6
• NCERT Exemplar Solutions Class 7 Science Chapter 6 Physical and Chemical Changes

Chapter 7: Weather, Climate, and Adaptations of Animals to Climate

This chapter starts with the description of weather and climate . Then, it explains the effect of climate on living organisms and how they get adapted to the climate. The polar regions and the tropical rainforests are also explained at the end of this chapter.

Also access the following resources for Class 7 Chapter 7 Weather, Climate, and Adaptations of Animals to Climate at BYJU’S:

• Weather, Climate and Adaptations of Animals to Climate Class 7 Science Notes – Chapter 7
• NCERT Exemplar Solutions for Class 7 Science Chapter 7 Weather Climate And Adaptation Of Animals to Climate

Chapter 8: Winds, Storms and Cyclones

This chapter talks about the natural calamities that destroy human life and cause damage to property. This chapter starts with the properties of air, i.e.,

• Air exerts pressure
• High-Speed winds are accompanied by reduced air pressure
• Air expands on heating

Then the chapter discusses the various situations in which a wind current is generated due to uneven heating on the earth. After that, the chapter explains thunderstorms, cyclones , the destruction caused by cyclones, effective safety measures and how technology helps in protecting us from these disasters.

Also access the following resources for Class 7 Chapter 8 Winds, Storms and Cyclones at BYJU’S:

• Winds, Storms and Cyclones Class 7 Science Notes – Chapter 8
• NCERT Exemplar Solutions Class 7 Science Chapter 8 Wind, Storm And Cyclone

Chapter 9: Soil

Soil is important for life on earth. The chapter starts with the topic soil profile, which describes the different layers of soil. Then the topics like soil types, properties of soil , moisture in the soil, absorption of water by soil, soil and crops are elaborated.

Also access the following resources for Class 7 Chapter 9 Soil at BYJU’S:

• Soil Class 7 Science Notes – Chapter 9
• NCERT Exemplar Solutions Class 7 Science Chapter 9 Soil

Chapter 10: Respiration in Organisms

The chapter starts with an explanation of the respiration process . Then it talks about the breathing process, how we breathe, what we breathe out, how breathing happens in other animals. It also explains how fish breathe underwater and the process of respiration in plants.

Also access the following resources for Class 7 Chapter 10 Respiration in Organisms at BYJU’S:

• Respiration in Organisms Class 7 Science Notes – Chapter 10
• NCERT Exemplar Solutions Class 7 Science Chapter 10 Respiration In Organisms

Chapter 11: Transportation in Animals and Plants

In this chapter, students will learn about the transport of substances in animals and plants. The chapter explains the circulatory system, excretion in animals and transportation of underwater plants in detail.

Also access the following resources for Class 7 Chapter 11 Transportation in Animals and Plants at BYJU’S:

• Transportation in Animals and Plants Class 7 Science Notes – Chapter 11
• NCERT Exemplar Solutions for Class 7 Science Chapter 11 Transportation in Animals and Plants

Chapter 12: Reproduction in Plants

In this chapter, students will learn the various modes of reproduction .  Asexual reproduction takes place through budding, fragmentation and spore formation, whereas sexual reproduction takes place through pollination and fertilization. At the end, the chapter explains fruits and the seed-formation and seed-dispersal processes.

Also access the following resources for Class 7 Chapter 12 Reproduction in Plants at BYJU’S:

• Reproduction in Plants Class 7 Science Notes – Chapter 12
• NCERT Exemplar Solutions Class 7 Science Chapter 12 Reproduction in Plants

Chapter 13: Motion and Time

This is a very interesting chapter that explains the concept of speed, measurement of time , and how to measure speed. At the end of the chapter, the distance-time graph is described to represent the motion of an object in pictorial form.

Also access the following resources for Class 7 Chapter 13 Motion and Time at BYJU’S:

• Motion and Time Class 7 Science Notes – Chapter 13
• NCERT Exemplar Solutions Class 7 Science Chapter 13 Motion and Time

Chapter 14: Electric Current and its Effects

This chapter starts with the topic symbols of electric components. Then it describes the heating effect of electric current, magnetic effect of electric current , electromagnet and electric bell in detail.

Also access the following resources for Class 7 Chapter 14 Electric Current and its Effects at BYJU’S:

• Electric Current and its Effects Class 7 Science Notes – Chapter 14
• NCERT Exemplar Solutions Class 7 Science Chapter 14 Electric Current and Its Effects

Chapter 15: Light

In this chapter, students will get to know that light travels along straight lines. The concepts like reflection of light, plane mirrors , spherical mirrors, and images formed by lenses are also described in detail.

Also access the following resources for Class 7 Chapter 15 Light at BYJU’S:

• Light Class 7 Science Notes – Chapter 15
• NCERT Exemplar Solutions Class 7 Science Chapter 15 Light

Chapter 16: Water – A Precious Resource

Water is essential for all living organisms. This chapter has been added to make students aware of water conservation. The chapter starts with how much water is available on earth. Then it talks about the water cycle and forms of water. Then it explains that groundwater is an important source of water and why we must use it wisely. Further, the concepts of depletion of water and water management have been described. The chapter also throws light on roles that humans can play to save water and the effect of water scarcity on plants.

Also access the following resources for Class 7 Chapter 16 Water – A Precious Resource at BYJU’S:

• Water: A Precious Resource Class 7 Science Notes – Chapter 16
• NCERT Exemplar Solutions for Class 7 Science Chapter 16 Water

Chapter 17: Forests – Our Lifeline

The chapter explains that forest is a system comprising various plants, animals and microorganisms. The various components of forest are interdependent on one another. The interaction between soil, water, air and living organisms takes place in the forest . We should maintain our forests and plant new trees to maintain perfect balance in nature. Otherwise, it will affect our environment badly.

Also access the following resources for Class 7 Chapter 17 Forests – Our Lifeline at BYJU’S:

• Forests: Our Lifeline Class 7 Science Notes – Chapter 17

Chapter 18: Wastewater Story

Water is the lifeline for humans and animals on earth. Emphasizing this, the chapter explains concepts like sewage , treatment of pollutant water, wastewater treatment plants, better housekeeping practices, sanitation and disease, an alternative arrangement for sewage disposal and sanitation at public places.

Also access the following resources for Class 7 Chapter 18 Wastewater Story at BYJU’S:

• Wastewater Story Class 7 Science Notes – Chapter 18
• NCERT Exemplar Solutions For Class 7 Science Chapter 18 Wastewater Story

Benefits of Class 7 NCERT Science Solutions

Our subject experts have explained all the concepts comprehensively with CBSE Class 7 Science revision notes and worksheets. If there is any trouble in comprehending a topic related to Science, the student can refer to the solutions related to every topic covered in  CBSE Class 7  Science.

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Case Study Questions Class 7 Science Forests: Our Lifeline

Case study questions class 7 science chapter 17 forests: our lifeline.

CBSE Class 7 Case Study Questions Science Forests: Our Lifeline. Important Case Study Questions for Class 7 Board Exam Students. Here we have arranged some Important Case Base Questions for students who are searching for Paragraph Based Questions Forests: Our Lifeline.

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 Study Questions Class 7 Science Forests: Our Lifeline

Case study 1.

One evening Boojho entered thepark with an elderly person. He introduced him to his friends.Prof Ahmad was a scientist working inthe university. The children startedplaying while Prof Ahmad sat on abench in the corner. He was tired as hehad participated in the golden jubileecelebrations of the town. After a while,the children also came and sat aroundhim. They wanted to know about thecelebrations. Prof Ahmad told them thatafter the cultural Programme, thesenior people discussed the town’sunemployment problem. A plan wasproposed to put up a factory by clearingan area of the forest just outside thetown.

This would give the increasingpopulation of the town a chance to getjobs. The children were very surprisedwhen Prof Ahmad told them that many people had objected to this idea. “This is because the forests serve asgreen lungs and water purifying systemsin nature”, Prof Ahmad explained. Thechildren were confused. Prof Ahmadrealized that the children had not visiteda forest. The children also wanted toknow more about the forest, so theydecided to visit it with Prof Ahmad.

Que. 1) Who was Professor Ahmed?

(a) A scientist

(b) Teacher

(c) Principle

(d) Student

Que. 2) What is the lungs of nature which also serves as water purifying systems?

Que. 3) Bhoojo entered the park with ……………………………………………………………………..………………………. .

(b) Elderly person

Que. 4) Why did Professor Ahmed sat on a bench in the corner?

Que. 5) With whom children visited the forest? and why?

Que. 1) (a) A scientist

Que. 2) (d) Forest

Que. 3) (b) Elderly person

Que. 4) Answer: Professor Ahmed sat on the bench because he was tired as he had attended the golden jubilee celebration

Que. 5) Answer: The children visited the forest with Professor Ahmed to know about the forest as they have never visited a forest before.

Case study 2

One Sunday morning, the children packed a few things like a knife, a handlens, a stick, a notebook and walkedtogether through a forest trail near avillage. On their way, they met Tibu, ayoung boy of their age group, of nearbyvillage, who was taking cattle for grazingalong with his aunt. He was very agile,running here and there to keep the herdtogether. When he saw the children,Tibu also started walking along withthem, while his aunt went on a differentpath.

As soon as they entered the forestTibu raised his hand and signaled themto keep quiet because noise coulddisturb the animals living in the forest.Tibu then took them to a place at aheight to show them the broad view ofthe forest. Children were surprisedbecause they could not see any land. The different treetops hadformed green cover over the land. However, the cover was not uniformly green.

Que. 1) Tibu was taking his cattle for grazing along with whom?

Que. 2) On which morning the children packed a few things?

(c) Wednesday

(d) Saturday

Que. 3) Tibu took them to a ………………………………………………………………………….……. to show them the wider view of forest

Que. 4) Why did Tibu signaled his friends to keep quiet?

Que. 5) What things did the children packed?

Que. 1) (d) Aunt

Que. 2) (a) Sunday

Que. 3) (c) Height

Que. 4) Answer: Tibu signaled his friends to keep quiet because too much noise could create disturbance among animals.

Que. 5) Answer: The children packed a few things like knife, stick, notebook, hand lens etc.

Case study 3

Prof Ahmad asked children to pickup leaves from the forest floor andobserve them under a hand lens. Theyfound tiny mushrooms over thedecaying leaves. They also saw an armyof tiny insects, millipedes, ants andbeetle on them. They were wonderinghow these organisms live there. Prof Ahmadexplained that apart from these animals which are easily seen, there are severalorganisms and micro-organisms thatlive in the soil. Paheli wondered what mushroom and other micro-organismseat. Prof Ahmad replied that they feedupon the dead plant and animal tissues and convert them into a dark coloredsubstance called humus.The micro-organisms which convertthe dead plants and animals to humusare known as decomposers. Thesemicro-organisms play an important rolein the forest. Soon, Paheli removed somedead leaves and discovered under thema layer of humus on forest floor. Thepresence of humus ensures that thenutrients of the dead plants andanimals are released into the soil. Fromthere, these nutrients are again absorbedby the roots of the living plants. “What happens if an animal dies in the forest?”Sheila asked. Tibu replied the deadanimals become food for vultures, crows,jackals and insects.” In this way, thenutrients are cycled. So, nothing goeswaste in a forest.

Que. 1) Under a …………………………………………………………….………………….. the children observed the leaves.

(b) Microscope

(c) Hand lens

Que. 2) They found ……………………………………………………………………….…. over the ………………………………………………………….………………… .

(a) Tiny mushrooms, decaying leaves

(b) Fruits, leaves

(c) Ant, leaves

(d) Fruit, Ant

Que. 3) The nutrients in the soil are absorbed by which part of the plant?

Que. 4) What are decomposers?

Que. 5) What did the presence of humus ensures?

Que. 1) (c) Hand lens

Que. 2) (a) Tiny mushrooms, decaying leaves

Que. 3) (a) Roots

Que. 4) Answer: The microbes which feed up on the dead and decaying matter of plants, animals and convert it to humus are known as decomposers.

Que. 5) Answer: The presence of humus indicates that the nutrients from the dead and decaying organic matter are released in to the soil.

Case study 4

Paheli reminded Prof Ahmad that hehad not explained why forests are called

Green lungs. Prof Ahmad explained thatplants release oxygen through theprocess of photosynthesis. The plantshelp to provide oxygen for animalrespiration. They also maintain the balance of oxygen and carbon dioxidein the atmosphere. That iswhy forests are called lungs.The children saw clouds forming inthe sky. Trees take in water from their roots andrelease water vapour into the airthrough evaporation.

If there were fewer trees, how will thewater cycle be affected?Tibu told them that the forest is not just home to plants and animals. Manypeople also live in the forest. Some of them may belong to different tribes. Tibuexplained that these people dependmostly on the forests. The forest providesthem with food, shelter, water andmedicines. They have traditionalknowledge about many medicinal plantsin the forest.

Que. 1) Plants release oxygen through which process?

(a) Metabolism

(b) Catabolism

(c) Anabolism

(d) Photosynthesis

Que. 2) The children saw ……………………………………………………………………… forming in the sky.

Que. 3) Trees take in water through ………………………………………………………………………….…….. and release it to environment in the form of ………………………..……………………………………………. .

(a) Roots, vapours

(b) Shoot, vapours

(c) Stem, water

(d) Leaves, gas

Que. 4) What did Paheli reminded Professor Ahmed?

Que. 5) What does the forest provide to humans?

Que. 1) (d) Photosynthesis

Que. 2) (d) Cloud

Que. 3) (a) Roots, vapours

Que. 4) Answer: Paheli reminded Professor Ahmad that he had not yet explained why forest is called the green lungs.

Que. 5) Answer: The forest provides food, shelter and medicines to humans.

Case study 5

While Boojho was drinking waterfrom a small stream, he saw some deercrossing the stream. Theydisappeared into the bushes. The densebushes and the tall grass provideanimals with the food and shelter. They also protect them from carnivores thatlive in the forest.Tibu then started looking closely atthe forest floor. Soon he called and showed the children droppings of some

Animals, and explained the differencebetween various types of droppings.Prof Ahmad informed them that theforest officers could recognize thepresence of some animals in the forestby their droppings and footprints.Boojho called every one and showedthem a large, decaying heap of animaldropping. Several beetles and grubswere feeding on the heap and a bunchof seedlings was sprouting.

 “Theseseedlings are of the herbs and shrubs the animals also disperse the seeds ofcertain plants and help the forest to growand regenerate. The decaying animaldung also provides nutrients to theseedlings to grow”, said Prof Ahmad.After listening to this, Boojho notedin his notebook, “By harboring greatervariety of plants, the forest providesgreater opportunities for food andhabitat for the herbivores. Largernumber of herbivores means increasedavailability of food for a variety of carnivores. The wide variety of animalshelps the forest to regenerate and grow.Decomposers help in maintaining thesupply of nutrients to the growing plants in the forest. Therefore, the forest is a‘dynamic living entity’ — full of life andvitality.”

Que. 1) What did Bhoojo saw while drinking water from a small stream?

Que. 2) Who help the forest to regenerate and grow?

(b) Animals

Que. 3) The decaying animal dung provides …………………………………………………………………………..…… for the seedlings to …………………………………………..………………………………………… .

(a) Nutrients, grow

(b) Methane, grow

(c) Carbon, mature

(d) Nitrogen, die

Que. 4) Who help in supplying nutrients to growing plants?

Que. 5) What does large number of herbivores means?

Que. 1) (c) Deer

Que. 2) (b) Animals

Que. 3) (a) Nutrients, grow

Que. 4) Answers: Decomposers are the microbes who help in maintaining the supply of nutrients required for the growth of plants.

Que. 5) Answer: Large number of herbivores indicates that there is more availability of food for the carnivores.

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CBSE Class 7th Science Value Based Questions Chapter 15  Light PDF Download

CBSE Class 7th Science Value Based Questions Chapter 15  Light are the easiest questions which you see in your question paper and the scoring one all student who attempt it surely get they are just little bit difficult and examine your basic knowledge regarding the particular chapter. Science Value Based Questions for Class 7th are available here at Free of cost. These questions are expected to be asked in the Class 7th board examination. These Science Value Based Questions are from complete CBSE Syllabus.

CBSE Class 7th Science Value Based Questions Chapter 15  Light

Most of these Science Value Based Questions are quite easy and students need only a basic knowledge of the chapter to answer these questions. Download CBSE Science Value Based Questions for board examinations. These Science Value Based Questions are prepared by Directorate of Education, Delhi.

CBSE Science Value Based Questions Class 7th Chapter 15  Light PDF

The purpose of the Science Value Based Questions is to make students aware of how basic values are needed in the analysis of different situations and how students require to recognize those values in their daily lives. Some questions are subject related. But even if they are not, that one-minute awareness of what we write about value without any specific preparation is a good step indeed.

CBSE Science Value Based Questions for Class 7th Chapter 15  Light download here in PDF format. The most CBSE Science Value Based Questions for annual examination are given here for free of cost. The additional questions for practice the Class 7th exam are collected from various sources. It covers questions asked in previous year examinations.

CBSE Science Value Based Questions for Class 7th Chapter 15  Light Free PDF

Class 7th books have many questions. These questions are regularly asked in exams in one or other way. Practising such most CBSE Science Value Based Questions Chapter 15  Light certainly help students to obtain good marks in the examinations. 

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