STANDARDBotany-Reproduction in Flowering Plants

STANDARD Botany Pollen Grain Structure MCQ Question

Type: MCQ-fact-Easy-Class 12

Pollen grains are generally spherical measuring about ______ micrometers in diameter

A

25-50 millimeters

B

20-70 micrometers

C

20-80 nanometers

D

25-50 micrometers

Correct Answer

Option D

Detailed Explanation

Pollen grains typically range from 25 to 50 micrometers in diameter, which is a suitable size for their role in fertilization.

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