Botany-Gymnosperms
NEET Botany Gymnosperms MCQ Question
Type: MCQ-numerical-Hard-Class 11
If a gymnosperm plant has 120 microsporophylls, each bearing 10 microsporangia, and each microsporangium produces 1000 microspores, how many pollen grains are formed in total?
A
1,200,000
B
12,000,000
C
120,000
D
1,200
Correct Answer
Option A
Detailed Explanation
Each microsporophyll has 10 microsporangia, and each microsporangium produces 1000 microspores, which develop into pollen grains. Therefore, 120 microsporophylls x 10 microsporangia x 1000 microspores = 1,200,000 pollen grains.
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