NEET 2015 Biology question

Leaves become modified into spines in :-

(1)Pea
(2)Onion
(3)Silk Cotton
(4)*Opuntia*Correct

Answer: (4)

Solution

In *Opuntia* (a xerophyte) the leaves are modified into spines to reduce transpiration, while the fleshy green stem (phylloclade) does photosynthesis. In pea the leaflets are modified into tendrils for

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Question ID VK-091708