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Chapter 2 - Nutrition in Animals (Overview) - CBSE Class 7 Science Video Lecture

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FAQs on Chapter 2 - Nutrition in Animals (Overview) - CBSE Class 7 Science Video Lecture

1. What is nutrition in animals?

Ans. Nutrition in animals refers to the process by which animals obtain and utilize food to support their growth, repair tissues, and obtain energy for various metabolic activities. It involves the ingestion, digestion, absorption, assimilation, and egestion of food.

2. What is the importance of nutrition in animals?

Ans. Nutrition is crucial for animals as it provides the necessary nutrients, such as carbohydrates, proteins, fats, vitamins, and minerals, required for their growth, development, and overall well-being. It helps in maintaining a healthy body, supporting various physiological functions, and providing energy for daily activities.

3. How do animals obtain nutrition?

Ans. Animals obtain nutrition through various modes, depending on their feeding habits. Herbivores consume plant material, carnivores feed on other animals, and omnivores consume both plants and animals. Some animals are filter feeders, extracting food particles from water, while others are parasites, obtaining nutrients from a host organism.

4. What is digestion in animals?

Ans. Digestion in animals is the process of breaking down complex food substances into simpler forms that can be absorbed and utilized by the body. It involves mechanical and chemical processes, such as chewing, grinding, and the action of enzymes, to convert food into nutrients that can be absorbed by the body.

5. What are the different types of digestion in animals?

Ans. Animals exhibit various types of digestion based on their feeding habits. There are two main types: extracellular digestion and intracellular digestion. In extracellular digestion, food is broken down outside the cells, such as in the digestive system, and then absorbed. In intracellular digestion, food is engulfed by cells and digested within them, as seen in single-celled organisms like Amoeba.

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Chapter 2 - Nutrition in Animals (Overview) - CBSE Class 7 Science for Class 72024 is part of Class 7 preparation. The notes and questions for Chapter 2 - Nutrition in Animals (Overview) - CBSE Class 7 Science have been prepared according to the Class 7 exam syllabus. Information about Chapter 2 - Nutrition in Animals (Overview) - CBSE Class 7 Science covers all important topics for Class 72024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Chapter 2 - Nutrition in Animals (Overview) - CBSE Class 7 Science.

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