Question

Cacti survive in a desert because:

a. It has a flat green stem to store water and prepare food by photosynthesis.

b. The stem is covered with a thick layer of cuticle, which helps to preserve water.

c. Its roots are distributed on the surface to absorb water.

d. Leaves are modified into spines to prevent loss of water

• A. Both a and b are wrong
• B. Both b and c are wrong
• C. a is wrong but b is correct
• D. Both a and d are correct

Answer 1

The correct option is D

Both a and d are correct

Cactus survives in deserts due to following adaptations: It has a flat green stem to store water and prepare food by photosynthesis. The stem is also covered with a thick waxy layer, which helps to retain water. The roots go very deep into the soil for absorbing water. Leaves turn into spines to prevent loss of water.