State any two characteristics of the tapetum, present in the microsporangium of an angiosperm. Why are non-viable pollen grains seen to develop in a microsporangium where tapetum is damaged or under developed ? Give a reason.

State any two characteristics of the tapetum, present in the microspor

1.	State any two characteristics of the tapetum, present in the microsporangium of an angiosperm. Why are non-viable pollen grains seen to develop in a microsporangium where tapetum is damaged or under developed ? Give a reason.
Answer» Dense cytoplasm , with more than one nucleus damaged tapetum cannot nourish the developing pollen grains

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State any two characteristics of the tapetum, present in the microsporangium of an angiosperm. Why are non-viable pollen grains seen to develop in a microsporangium where tapetum is damaged or under developed ? Give a reason.

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