Last Updated on 23 April 2025 by editablematerials.in
CCBSE Class 7 Science Chapter 2 Case Study Questions – based on Nutrition in Animals – help students understand how different organisms obtain, digest, and absorb food. This chapter explains the human digestive system, nutrition in animals like amoeba, and how various organisms adapt to different modes of ingestion and digestion.
These case-based questions follow the CBSE competency-based format, promoting critical thinking and real-life application.
🔍 Chapter Summary
In this chapter, students explore the process of nutrition in animals, with a focus on human digestion. Key concepts include the different stages of digestion – ingestion, digestion, absorption, assimilation, and egestion. The structure and function of various organs in the human digestive tract are discussed, along with nutrition in grass-eating animals and simple organisms like amoeba.
📝 Case Study Question 1
Read the passage and answer the questions:
A group of students performed an activity showing how saliva helps in digesting starch. They chewed a piece of bread and observed how it turned sweet in the mouth. Their teacher explained that the enzyme in saliva breaks down starch into sugar, which shows the importance of digestion beginning in the mouth.
Answer the following:
- What is the role of saliva in digestion?
- Which enzyme is present in saliva?
- What does starch get converted into?
- Where does digestion begin in humans?
Answers:
- It helps break down starch into sugar
- Salivary amylase
- Sugar
- In the mouth
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📝 Case Study Question 2
Read the passage and answer the questions:
Ravi had stomach pain after eating food too quickly. The doctor explained that improper chewing can disturb digestion. The doctor also talked about how food passes through the oesophagus, stomach, small intestine, and large intestine, and how nutrients are absorbed in the small intestine.
Answer the following:
- What is the function of the small intestine in digestion?
- Why is chewing food properly important?
- Which organ receives food directly from the oesophagus?
- What happens in the large intestine?
Answers:
- It absorbs nutrients from digested food
- It helps in better digestion and prevents indigestion
- Stomach
- Absorption of water and removal of waste as faeces
📝 Case Study Question 3
Read the passage and answer the questions:
In a science video, Meera saw how an amoeba eats food by surrounding it with its pseudopodia. Her teacher explained that amoeba uses its body parts to engulf food and then digests it inside food vacuoles. This method of feeding is different from humans.
Answer the following:
- What is the mode of nutrition in amoeba called?
- What are pseudopodia used for?
- Where does digestion take place in amoeba?
- Name one organism that uses pseudopodia.
Answers:
- Holozoic nutrition
- Movement and capturing food
- Food vacuoles
- Amoeba
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More Case Study Questions from Class 7 Science
- CBSE Class 7 Science Chapter 2 Case Study Questions with Answers – Nutrition in Animals
- CBSE Class 7 Science Chapter 1 Case Study Questions with Answers – Nutrition in Plants
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❓ Frequently Asked Questions (FAQs)
Q1: Are these questions based on the latest CBSE Class 7 Science syllabus?
A1: Yes, all questions follow the latest NCERT syllabus and CBSE competency-based question format.
Q2: Can I use these questions for class assignments or tests?
A2: Absolutely! These case studies are ideal for worksheets, oral discussions, or written tests.
Q3: Are editable versions of these questions available?
A3: Yes. We offer fully editable Word (.docx) versions of all case study and assertion-reason questions. You can add your school logo, watermark, or modify content to suit your teaching needs.
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Q4: Can I edit and customize these questions for my school or coaching center?
A4: Yes. Download our DOCX version, add your logo, edit text, and use them your way!
Q5: Do you provide questions for other chapters too?
A5: Yes, we’re uploading chapterwise case study questions for Classes 6 to 12.
Q6: What are the best websites for my CBSE Preparation?
A6: Some of the best website for CBSE is Physics Gurukul, Xam Content and Success Router. They are having a large collection of CBSE resources.
✨ Conclusion
Chapter 2 – Nutrition in Animals helps students understand how food is digested and absorbed by different organisms. These case study questions allow learners to relate textbook knowledge to biological processes in daily life, enhancing conceptual clarity and analytical skills.
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