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Cytokinin are mostly...

Cytokinin are mostly

A

glucosides

B

phenolics

C

amino purines

D

organic acids

Text Solution

Verified by Experts

The correct Answer is:
C
Cytokinin are plant growth hormones which are basic in nature, cytokinin (=cell division) either alone or in conjunction with auxin. Kinetin, a synthetic cytokinin, is 6-furfuryl amino purine. Zeatin, a natural cytokinin, is 6-hydroxy 3-methyl trans 2-butenyl amino purine.
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Knowledge Check

  • Cytokinins are mostly produced in

    A
    Shoot apex
    B
    Root apex
    C
    Young leaves
    D
    Lateral buds.

  • Cytokinin is

    A
    A hormone that stimulate cell division,
    B
    A process of cell division,
    C
    A form of cell movement,
    D
    A substance that produces dormancy.

  • Assertion : Cytokinins lead to retention of chlorophyll and delay the senescence in leaves. Reason: cytokinins are only responsible for root primordia formation.

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

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