AIPMT 2007 Biology Solved Paper

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Question : 16 of 100

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In gymnosperms, the pollen chamber represents:

The microsporangium in which pollen grains develop
A cell in the pollen grain in which the sperms are formed
A cavity in the ovule in which pollen grains are stored after pollination
An opening in the megagametophyte through which the pollen tube approaches the egg

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