DENDROLOGY AND SOCIETY
FAMILIES OF GYMNOSPERM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True or False:Microsporangia produce microsporocytes or microspore mother cells.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Microsporocytes or meiocytes are produced in the sporogenous layer. Two meiotic divisions give rise to the tetrad of four microspores enclosed in callose wall which are later released by callase enzyme complex produced by tapetum.
Detailed explanation-2: -Microsporangia are sporangia that produce microspores that give rise to male gametophytes when they germinate. Microsporangia occur in all vascular plants that have heterosporic life cycles, such as seed plants, spike mosses and the aquatic fern genus Azolla.
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