Biology, asked by raghav4066, 1 month ago

what is work Of Exine​

Answers

Answered by kumarupdesh1982
1

Explanation:

In addition to the purely mechanical function of the exine in protecting the reproductive cells from environmental injury, exine sculpturing plays an important role in attachment to insect pollinators and adhesion to the stigmatic surfaces; while wind pollinated species including many grasses and tree species often ...

Answered by tajinderkaur78
0

Answer:

Hey mate here is your answer

Explanation:

The exine layer is made up of sporopollenin, which is one of the most resistant substances found in nature. The intine layer is made up of cellulose and pectin materials.

Exine plays an important role in:

(1) It protects gametophytes in harsh environments and serves as a barrier against various physical and chemical factors and biological pathogens.

(2) It helps in pollen dispersal and cross-pollination in some species.

(3) It enables stigma cells to capture the most appropriate pollen grains by providing species-specific factors for pollen-stigma recognition and adhesion.

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