How is waste food excreted by Amoeba?

Important Questions on Transportation in Plants and Animals

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q VII

Give the importance of sweating in animals.

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 10 - Transportation in Plants and Animals>H-O-T-S Questions>Q 1

Why are veins provided with valves and not arteries?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 10 - Transportation in Plants and Animals>H-O-T-S Questions>Q 2

Most of the water absorbed by plant roots is lost by the plants in the process of transpiration. Why then plants transpire?

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 10 - Transportation in Plants and Animals>H-O-T-S Questions>Q 3

Do you have any control over the beating of the heart?