First slide

The Stem

Question

Choose the pairs that have same type of stem modifications
I. Potato, Sweet potato II. Colocasia, Zaminkand
III. Opuntia, Euphorbia IV. Banana, Mint

Moderate

A

I, II
B

II, III
C

III, IV
D

I, IV

Solution

Colocasia and Zaminkand have corm which is an underground modified stem. Opuntia and Euphorbia have phylloclade which is an aerial stem modification. Potato has stem tuber and Sweet potato has tuberous adventitious root. Banana has suckers and rhizome but mint plant has stolon.

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