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Q.
The outermost and innermost wall layers of microsporangium in an anther are respectively
Sexual Reproduction in Flowering Plants
Solution:
The wall layers of a microsporangium from outermost to innermost are : epidermis, endothecium, middle layers and tapetum. The first three layers generally provide protection and help in dehiscence of anther. Tapetum performs nutritive function for pollen grains.