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Subjects
Science CBSE
Class 10
Life Process
Life processes in animals

25. Digestive enzymes, excretion, circulation and transportation

Exercise condition:

9 m.

Examine the statements below and choose the correct answer:

1.

Assertion (A):	The walls of the stomach is muscular.
Reasoning (R):	Stomach muscles help in mixing the food with enzymes present in the alimentary canal.

Both A and R are false
A is false but R is true
Both A and R are true but R is NOT the correct explanation of A
Both A and R are true and R is the correct explanation of A
A is true but R is false

2.

Assertion (A):	The inner lining of the small intestine contains numerous finger-like projections called villi.
Reasoning (R):	These increase the surface area for absorption.

Both A and R are true and R is the correct explanation of A
A is false but R is true
Both A and R are false
A is true but R is false
Both A and R are true but R is NOT the correct explanation of A

3.

Assertion (A):	Lipases aids in the emulsification of fats.
Reasoning (R):	Lipases hydrolyse fats and oils present in food.

Both A and R are true and R is the correct explanation of A
Both A and R are false
Both A and R are true but R is NOT the correct explanation of A
A is false but R is true
A is true but R is false

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