Prelims 2018 · Science and Technology · Question 2
Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?
- Hard and waxy leaves
- Tiny leaves
- Thorns instead of leaves
Select the correct answer using the code given below:
Answer
1, 2 and 3
1. Hard and waxy leaves — Desert plants often have a thick cuticle/waxy coating that reduces transpiration. Correct.
2. Tiny leaves — Small leaves reduce surface area and hence water loss. Correct.
3. Thorns instead of leaves — In many xerophytes, leaves are modified into spines/thorns to minimize transpiration. Correct.
Hence, all three modifications help inhibit water loss in desert areas.