Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 15 PCB MCQ (Single Correct)

Refer to the given figure and select the incorrect option.

A
Self pollination is not possible in a flower that lacks either X or Y .
B
Monoecious plants like maize bear two types of flower, i.e., one with X and other with Y .
C
W and Z constitute non-essential floral whorls.
D
Plants with flowers having both X and Y can never undergo cross pollination.

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The correct answer is:
D

In the given figure is stamen, is pistil, is sepal and Z is petal. Plants having bisexual flowers i.e., with both stamen (X) and pistil (Y) develop various contrivances to avoid self pollination and undergo cross pollination viz. dichogamy (anthers and stigmas mature at different times), self incompatibility, heterostyly (different heights of style and stigma), etc.

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