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Asked: 2025-09-30T04:13:27+00:00 In:

(i) Differentiate between self-pollination and cross-pollination. (ii) Identify A, B and C in the diagram given below and write one function of each.

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(i) Differentiate between self-pollination and cross-pollination. (ii) Identify A, B and C in the diagram given below and write one function of each.

Self-pollination occurs when pollen from a flower’s anther falls on its own stigma, ensuring genetic similarity. Cross-pollination occurs when pollen from one flower reaches the stigma of another, promoting genetic variation.

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    1. (i) Differentiate between self-pollination and cross-pollination.

      • Self-pollination: Transfer of pollen from the anther to the stigma of the same flower or another flower on the same plant.
      • Cross-pollination: Transfer of pollen from the anther of one plant to the stigma of a flower on a different plant of the same species.

      (ii) A – Stigma: Receives pollen grains during pollination.

      B – Style: Provides a passage for pollen tube to reach the ovary.

      C – Ovary: Contains ovules; after fertilization, ovary develops into a fruit.

       

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