Question

The leaves in desert plants are either absent, very small, or in the form of spines to reduce:

• A. Respiration
• B. Transpiration
• C. Sweating
• D. All of these.

Answer 1

The correct option is B

Transpiration

The correct option is (B):

Explanation of the correct option:

1. Transpiration is referred to as the release of water through the pores of leaves (Stomata).
2. In desert plants, leaves are absent or reduced to spines.
3. This helps them to check the water loss by transpiration.

Explanation of the incorrect option:

Option (A):

Respiration is referred to as the process of releasing energy from food. It occurs in all cells.

Option (B):

Sweating is the exertion of water, salt and some waste materials through the pores of the skin. sweat is produced by sweat glands.

Final answer: In desert plants, leaves may be absent or reduced to spines to check water loss through transpiration.