NCERT Solutions class 7 Science 2. Nutrition in Animals Long Answered Questions

Get complete NCERT Solutions for 7 Science 2. Nutrition in Animals with detailed explanations. Easy-to-understand answers to help students study effectively and score better.

NCERT Solutions class 7 Science 2. Nutrition in Animals Long Answered Questions

NCERT Solutions class 7 Science 2. Nutrition in Animals Long Answered Questions

Get complete NCERT Solutions for 7 Science 2. Nutrition in Animals with detailed explanations. Easy-to-understand answers to help students study effectively and score better.

7 Science Chapter 2. Nutrition in Animals - Long Answered Questions

Preparing for exams becomes easier with Long Answered Questions. Whether you are studying for board exams or mid-term exams, 7 Science Chapter 2. Nutrition in Animals solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.

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2. Nutrition in Animals

Long Answered Questions


Long Answered Questions: 


Ques:- What is assimilation?
Ans:- The absorbed substances are transported via the blood vessels to different organs of the body where they are used to build complex substances such as the proteins required by the body. This process is called assimilation.

Ques:- What is tooth decay?
Ans:- If we don’t clean our mouth properly after eating it results in growth of harmful bacteria, which break down the sugars present from leftover food and release acids. These acids damage the teeth. This is called tooth decay.

Ques:- Write the functions of saliva.
Ans:- The functions of saliva;
(i) It makes the chewed food soft for swallowing.
(ii) It breaks down the starch into sugars.

Ques:- Write the functions of tongue.
Ans:- The functions of tongue;
(i) We use our tongue for taking.
(ii) It mixes saliva with the food.
(iii) It helps in swallowing food.
(iv) We taste food with our tongue.

Ques:- Name the processes which define the nutrition in human beings.

    Or

Ques:- Name the complex processes by which nutrition is completed.
Ans:- There are five complex processes which define the nutrition in human beings.
(i) ingestion
(ii) digestion
(iii) absorption
(iv) assimilation
(v) egestion

Ques:- What are villi? Write its function.
Ans:- Many small finger-like outgrowths are situated in the inner walls of small intestine, these are called villi.
The villi increase the surface area for absorption of the digestive food.

Ques:- Why can we not digest the cellulose like the cattle?
Ans:- The cattle have a large sac-like structure called caecum between the small intestine and large intestine. The cellulose of the food is digested here by the action of the certain bacteria which are not present in humans.

Ques:- Name the structure in amoeba which helps it to capture the food.
Ans:- Pseudopodia

Ques:- How does amoeba take food?
Ans:- When amoeba senses food it pushes out pseudopodia around the food particle and engulfs it. The food becomes trapped in a food vacuole. Digestive juices are secreted into the food vacuole. They act on the food and break it down into simpler substances. Gradually the digested food is absorbed.

Ques:- Draw a label diagram of amoeba.
Ans:-

Ameoba labeled daigram

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📘 Why Long Answered Questions are Important?

Long Answered Questions are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 7 Science Chapter 2. Nutrition in Animals solutions help you understand the core concepts and practice effectively.

✍️ Quick Revising Points as Notes in Page-1

Revision is the key to exam success. Our notes for 7 Science highlight important formulas, key definitions, and exam-ready points from Chapter 2. Nutrition in Animals. These quick revision notes make last-minute preparation easy.

📚 NCERT Exercise Solutions

Every NCERT chapter ends with exercises, and solving them is crucial. Our Long Answered Questions include complete solutions for 7 Science Chapter 2. Nutrition in Animals exercises. With step-by-step answers, you gain clarity and confidence to attempt similar exam questions.

📝 Additional Important Questions & Answers

To boost your preparation, we also provide additional important questions with answers. These are prepared from previous year board papers, sample papers, and important concepts of Chapter 2. Nutrition in Animals. Practicing these ensures you are well-prepared for both board and mid-term exams.

🎯 Useful for Board & Mid-Term Exams

Our Long Answered Questions are useful for both board exams and mid-term exams. For 7 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.

🌟 Final Words

In short, Long Answered Questions for 7 Science Chapter 2. Nutrition in Animals are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.

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