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  4. The spines in a cactus (Opuntia) are modified form of.......

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Q. The spines in a cactus (Opuntia) are modified form of.......

COMEDKCOMEDK 2010Morphology of Flowering Plants

Solution:

The spines present on Opuntia represent the reduced leaves. The leaf parts become modified into spines in order to protect the plants from grazing animals and excessive transpiration.