Question

Explain the structure of pollen grains.​

Answer 1

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The pollen grain is the male gametophyte which contains the male gametes. The pollen grain is surrounded by two layers as exine which forms the outer layer and intine which forms the inner layer. The generative cell divides to form the two male gametes. The vegetative cell is responsible for the providing nutrition

Answer 2

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• Pollen grains have microscopic structure

• Pollen grain has two-layered wall namely exine and inner intine.

• Pollen grains show the male reproductive gametes of flowers.

• Pollen grain has tiny body , shape and structure.

• The interior section of pollen grain include cytoplasm.

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