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Question

Which among the following is the correct statement?

A
All gymnosperms are homosporous
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B
All gymnosperms are heterosporous
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C
Mostly all gymnosperms are heterosporous and only few are homosporous
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D
All gymnosperms and all pteridophytes are heterosporous
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Solution

The correct option is B All gymnosperms are heterosporous
All gymnosperms and few pteridophytes are heterosporous as they produce two different kinds of spores. The two different kinds of spores are microspores and megaspores. Microspores develop into male gametophyte and megaspores develop into female gametophyte.

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