First slide

The Leaf

Question

Opposite and alternate phyllotaxies are observed in:

Easy

A

Guava and Nerium respectively
B

Chinarose and Calotropis respectively
C

Alstonia and mustard respectively
D

Guava and Sunflower respectively

Solution

Opposite and alternate phyllotaxy is observed in Guava and Sunflower respectively. In alternate phyllotaxy single leaf arises at each node in alternate manner as in china rose. In opposite phyllotaxy a pair of leaves develop at each node and lie opposite to each other. Alstonia and Nerium show whorled phyllotaxy.

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