UPSC Prelims 2013
Environment & Ecology
Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves or no leaves
3. Thorns instead of leaves
Select the correct answer using the codes given below.
Explanation
All the options are correct.
The vegetation of hot desert climate is the xerophytic type which has special characteristics to withstand very high rate of evaporation.
- They have long roots, to reach deep water sources.
- Thick barks, to reduce water loss.
- Waxy leaves, to minimize evaporation.
- Presence of thorns and little leaves, to reduce water loss.