Question

Desert plants have long roots that help them to ________.

• A. prevent transpiration
• B. absorb water
• C. retain water
• D. increase photosynthesis

Answer 1

Answer: (B)

Explanation of the correct option:

1. Desert plants grow in water scarce areas, their roots are long and go deep into the soil for absorbing water.​
2. The leaves in desert plants are reduced to spines which reduces surface area and minimise water loss by transpiration.
3. Since their leaves are reduced to spines, their stem is green and performs photosynthesis.
4. They have fleshy stem with a thick waxy coat to retain water.

Explanation of the incorrect option:

Option B,C and D didnot satisfy the appropriate explanation of the given question.

Final answer: Desert plants have long roots that help them to absorb water.