Which of the following is surrounded by a cel | vedclass

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(D) The pollen grain is the male gametophyte in angiosperms. It is surrounded by a prominent two-layered wall called the sporoderm. The hard outer lay

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Pollen grain

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(D) The pollen grain is the male gametophyte in angiosperms. It is surrounded by a prominent two-layered wall called the sporoderm. The hard outer layer is called the exine,which is made of sporopollenin,and the inner layer is called the intine,which is made of cellulose and pectin. Other options like male gametes and egg cells are naked cells (protoplasts) without a cell wall.

Which of the following is surrounded by a cell wall?

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