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  4. The innermost wall layer of microsporangia which provides nutrition to the developing pollen grain is

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Q. The innermost wall layer of microsporangia which provides nutrition to the developing pollen grain is

NTA AbhyasNTA Abhyas 2022

Solution:

Microsporangia is surrounded by four-layered walls, epidermis, endothecium, middle layer and innermost is tapetum. Tapetum provides nutrition to the developing microspore mother cell.