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Assertion : Continued self pollination ...

Assertion : Continued self pollination generation after generation results in pure line formation .
Reason : By continued self - pollination plant becomes pure or homozygous for its characters.

A

If both Assertion and Reason are true and Reason is corret explanation of Assertion

B

If both Assertion and Reason are true and Reason is not corret explanation of Assertion

C

If Assertion is true but Reason is false

D

If both Assertion and Reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
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Continued self pollination lead to inbreeding depression. List three devices, which flowering plant have developed to discourages self pollination ?

The self - pollinated progeny of a . . . . . . . plant constitute a pure line.

Knowledge Check

  • Continued self pollination result in

    A
    Formation of unisexual flowers
    B
    Inbreeding depression
    C
    Gametes loose vigour
    D
    Self incompatibility

  • Continued self pollination results in

    A
    Self incompatibility
    B
    Gametes lose vigour
    C
    Inbreeding depression
    D
    Formation of unisexual flowers.

  • Continued self-pollination results in:

    A
    Genetic drift
    B
    Heterosis
    C
    Inbreeding depression
    D
    Polyembryony

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    Repeated self pollination over the generations produces

    Assertion :- Geitonogamy is functionaly cross pollination and genetically self pollination. Reason :- It involves pollinating agent but pollen grains come from same plant

    Assertion : Cross pollination in true genetic sense within species is called xenogamy . Reason : When there is cross pollination , resultant hybrids is a combination of characters of two plants.

    Assertion: Mass selection is useful in self-pollinated plants. Reason: Self-pollinated plants are homozygous which retain the selected traits in the progeny.

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