Morphology of Flowering Plants Question 12
12. Leaves become modified into spines in:- [2015 RS]
(a) Pea
(b) Onion
(c) Silk Cotton
(d) Opuntia
Show Answer
Answer : d
Hints & Solutions
(d) In Opuntia, leaves become modified into spines to avoid transpiration so as to save water for desert adaptation. The stems of this plant appear like-leaf, termed as- phylloclades which perform the process of photosynthesis.
