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Interruption during light period does no...

Interruption during light period does not inhibit flowering in SDP/LDP.

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SDP
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Assertion The term 'Night break' is applied to the occurrence of flowering during night period. Reason Night break is helpful in flowering of short-day plants.

Knowledge Check

  • Flash of light in dark inhibits flowering in

    A
    SDP
    B
    LDP
    C
    LSDP
    D
    DNP.

  • Effect of daily light period on flowering is

    A
    Photorespiration
    B
    Photomorphogenesis
    C
    Photoperiodism
    D
    Photoropism.

  • Assertion: Dark period play more important part in flowering than light period. Reason : Flowering occurs in short-day plant if the dark period is interrupted by light break.

    A
    If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
    B
    If both the assertion and reason are true but the reason is not a correct explanation of the assertion
    C
    If the assertion is true but the reason is false
    D
    If the assertion and reason is false but reason is true

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    Which one is expected to induce flowering in LDP?

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    Assertion : Soyabean and sugarbeet flower when they are exposed to a photoperiod shorter than critical period. Reason : Most of winter flowering plants are LDP.

    [A]: Xanthium will not flower if the long dark period is interrupted by a single brief flash of light. [R]: Xanthium is a long day plant where con- tinuous long loght period as essential for flowering.

    One set of a plant was grown at 12 hours day and 12 hours night period cycle and it flowered while in the other set night period cycles and it flowered while in the other set night phase was interrupted by flash of ligth and did not produce flower. Under which one of the following categories will you place this plant

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