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Question
Microsporangia and megasporangia are found in the same strobilus in:
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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.
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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