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Assertion : In head inflorescence , flor...

Assertion : In head inflorescence , florets are arranged centrifugally .
Reason : There are always two types of florets in head.

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In sunflowr (capitulum inflorescence) ray florets are

Assertion : Centripetal and centrifugal forces always cancle eachother Reason : The is because the two forces act on different bodies .

Knowledge Check

  • Two types of inflorescences in which flowers are arranged in centripetal manner are

    A
    Head and Umbel
    B
    Umbel and Spike
    C
    Head and monochasial cyme
    D
    Umbeland cyathium

  • capitulum with two types of florets is called

    A
    homogamous
    B
    isogamous
    C
    heterogamous
    D
    anisogamous

  • In Head or Capitulum inflorescence

    A
    Ray florets: pistillate and neuter, actinomorphic
    B
    Disc florets: bisexual, zygomorphic
    C
    Ray florets: plstillate or neuter, zygomorphic
    D
    Disc florets: pistillate, actinomorphic

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    Assertion : Centripetal and centrifugal forces can- cel each other. Reason : This is because they are always equal and opposite.

    Assertion :- Inflorescence in compositae is capitulum. Reason :-Compositae is capitulum .

    Assertion : Flower of racemose inflorescence are pollinated by insects Reason : In Racemose head inflorescence, the florets are arranged in a centripetal fashion.

    Assertion : In cymose inflorescence, the main axis ends in a flower, but the lateral axis show continuous growth Reason : The arrangement of flower in this inflorescence is centrifugal.

    Assertion : Verticillaster is a cymose inflorescence Reason : The main axis and lateral branches of inflorescence end in flowers.

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