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Science VII (S-II)

CHAPTER-NUTRITION IN PLANTS; NUTRITION IN ANIMALS

1. Define the following:

a) Digestion

b) Assimilation

c) Nutrition

2. Give reasons:

a) Humans cannot eat grass like cattle

b) We must clean (rinse) our mouth and teeth after every meal

3. What are villi? What is their function?

4. Which nutrient do the following digestive juices

digest?

a) Saliva

b) Bile

c) Pancreatic juice

5. Explain with diagram the process of feeding

(ingestion) and digestion in amoeba.

6. Draw a neat labeled diagram of a human digestive

System.


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