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Spines in cactus are due to _______(a) modifications of leaves(b) modifications of stem(c) modifications of flower(d) modifications of budThe question was posed to me by my school principal while I was bunking the class.My question is from Flowering Plants Morphology in chapter Morphology of Flowering Plants of Biology – Class 11

Answer»

The correct ANSWER is (a) modifications of LEAVES

The best I can explain: Spines in cactus are DUE to modifications of leaves. Cactuses are mainly found in arid regions. So, in order to reduce transpiration of water leaves modify themselves into spines.



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