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Polination....

Polination.

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The tranfer of pollen grains from the anther to the sigma is called pollination.
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Explore conceptually related problems

(i ) Write the characteristics features of anther, pollen and stigma of wind polinated flowers. (ii) How do flowers reward their insect pollinators ? Explain.

Knowledge Check

  • Read the following statements and find out the incorrect statements. a. Plants use two abiotic (wind and water) and one biotic (animals) agent to achieve pollination. b. Majority of plants use abiotic agents for pollination. c. Only a small proportion of plants uses biotic agents. d. Pollination by water is common among abiotic polinators. e. Pollination by wind is quite rare in flowering plants and is restricted to about 30 genera mostly monocotyledons.

    A
    a, b, c and d
    B
    b, c, d and e
    C
    a, c, d and e
    D
    b and d only

  • A plant with genotype AABCcDD is self polinated. Provided that the four genes are independently assorting, what proportion of the progeny will show the genotype AAbbccDD?

    A
    `1/4`
    B
    `1/16`
    C
    `1/64`
    D
    `1/256`
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