Neet Solved Paper 2015 Question 12
Question: Leaves become modified into spines in
Options:
A) Opuntia
B) pea
C) onion
D) silk cotton
Show Answer
Answer:
Correct Answer: A
Solution:
- Leaves are modified into spines in Opuntia (xerophytes) so as to reduce the surface area and minimize rate of water loss by evaporation and transpiration. Besides, they also provide protection to the plant from grazing animals. In pea, the leaves are modified into tendrils to help them in climbing around support, in onion leaves are modified to fleshy succulent to store food.
