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Question

In a spadix inflorescence the spathe encloses

A
Umbel
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B
Biparous
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C
Catkin
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D
Spike
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Solution

The correct option is A Umbel
A) Umbel inflorescence has flowers with pedicels of almost equal length and appears to arise from a common point due to the reduction in the main axis.
It is the characteristic of the Umbelliferae family.
B) Biparous or Dichasial cyme inflorescence in which growth of the flowering axis is continued by two branches when the growing point of parent axis is changed into a flower.
ex-Dianthus or Bougainvillea.
C) Catkin inflorescence is a compact unisexual spike that often hangs.
ex-Mulberry.
D) Spadix inflorescence has a fleshy spike that is covered by the spathe.
ex-Banana.
So the correct option is 'Spike'.

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