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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