Class 12 Biology Sexual Reproduction in Flowering Plants Stamen, Microsporangium and Pollen Grain

Medium

Which of the following statements is false regarding the exine of pollen grains?

A
It is made of a highly resistant organic material.
B
It can withstand high temperatures.
C
It can withstand strong acids and alkalis.
D
It is degraded by enzymes.

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

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Which of the following structures contains the microsporangia?

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The distal end of the filament of the stamen is attached to which of the following?

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How many microspore mother cells $(MMC)$ will give rise to $256$ microspores after reduction division?

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Because of which substance are pollen grains well preserved as fossils?

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In angiosperms,the male gametophyte is shed at which stage?

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