please give solution of 22 and 23
Dear student,
22. Differences between self-pollination and cross-pollination:
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Self-pollination |
Cross-pollination |
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It involves the transfer of pollen from the stamen to the pistil of the same flower. |
It involves the transfer of pollen from the stamen of one flower to the pistil of another flower of the same plant or that of a different plant of the same kind. |
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It occurs only in bisexual flowers. |
It occurs in both unisexual and bisexual flowers. |
23. Longitudinal section of a pistil showing pollen germination:
Hope this clears your doubt.
Regards.