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What are the 2 parts of the pollen sac?

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in Biology – Class 12 by (271k points)
What are the 2 parts of the pollen sac?

(a) Spongy and parenchyma cells

(b) Outer wall and central tissue

(c) Schlerenchyma and parenchyma cells

(d) Outer wall and parenchyma cells

The question was posed to me in an internship interview.

My query is from Flowering Plants Reproduction in section Sexual Reproduction in Flowering Plants of Biology – Class 12

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Right option is (b) Outer wall and central tissue

For explanation: The microsporangium or the future pollen sac is a cylindrical sac like structure which consists of 2 parts. The outer wall and the central homogeneous sporogenous tissue.

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