Leaves become modified into spines in:
- Opuntia
- Pea
- Onion
- Silk Cotton
Solution
- Opuntia leaves get modified into spines to protect them from grazing animals, also reduce the area of transpiration. In this condition, the stem gets modified to phylloclade and performs photosynthesis.
- Pea leaves are modified into tendrils.
- Onion leaves become fleshy to store food in them.
- Silk cotton gets modified from unifoliate leaves to multifoliate leaves.
Asked in: NEET 2015 (Phase 1)
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