Practice Test Discussion

Thorn is a modified branch because

[Kerala PMT, 2004]

lt is hard, straight and pointed

lt is a part of the plant

lt arises in the axil of a leaf

lt is a defensive organ

lt arises from the leaf base

Explanation

Thorn is a modifred branch because, it arises in the axil of a leaf.

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Characteristics and functions of Stem

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