Asexual and Sexual Reproduction in Plants — BIO BOTANY STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYAsexual and Sexual Reproduction in Plants3 Marks
Question
Briefly explain about the types of tapetum.
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Answer
There are two types of tapetum based on its behaviour. They are: Secretory tapetum (parietal / glandular / cellular): The tapetum retains the original position and cellular integrity and nourishes the developing microspores.
Invasive tapetum (periplasmodial): The cells loose their inner tangential and radial walls and the protoplast of all tapetal cells coalesces to form a periplasmodium.
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