Class 7 Nutrition in Animals Important Questions VBQs

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NUTRITION IN ANIMALS

1. Fill in the blanks:

a. _____________ is the process of elimination of undigested material from the body.

b. _____________, Liver and ____________ are the glands associated with the digestive system.

c. Digestion begins in the ___________ and ends in the _________ intestine.

d. Food pipe or ______________ connects mouth to stomach.

e. ________________ help in movement and ____________ in Amoeba.

2. Complete the table given below:

4. Name the largest gland of the human body.

5. Give the function(s) of the following:

a) Rectum

b) Caecum in ruminants

c) Pseudopodia

d) Large intestine

e) Gall Bladder

6. Give any two functions of our tongue besides talking.

7. What would happen if there are no villi in the walls of small intestine?

8. Differentiate between ingestion and egestion.

9. If a piece of chapatti is chewed for sometime without swallowing it tastes sweet. Why?

10. Give reasons, why cows are able to digest cellulose and not humans?

11. In the figure of human teeth given below, what do the given numbers indicate?

VALUE BASED QUESTIONS:

Tina brought home a stray puppy. She fed it before contacting the blue cross society to hand it over to them. Why do you think she did so? If you were in her place what would you do?

Lab activity

Objective: To test the activity of salivary amylase on starch.

Materials required: enzyme salivary amylase, starch solution, test tubes, iodine solution, dropper.

Procedure:

Diagram:

Observation:

Conclusion:

Precautions:

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