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Question

Microsporangia and megasporangia are found in the same strobilus in:

A
Selaginella
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B
Dryopteris
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C
Adiantum
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D
Pinus
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Solution

The correct option is A Selaginella
Mature Selaginella plants bear sporangiferous spikes or strobili at the tips of the branches. The strobili bear two types of sporangia- microsporangia and megasporangia in the axils of microsporophylls and megasporophylls respectively. Megasporangia are larger whitish or yellowish often lobed with 1-4 haploid megaspores. Microsporangia are smaller; yellowish-reddish globular reniform structures which produce a large number of haploid microspores.

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