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A hormone that induces fruit ripening is...

A hormone that induces fruit ripening is

A

IAA

B

`GA_3`

C

ABA

D

Ethylene

Text Solution

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The correct Answer is:
D
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Assertion : The most widely used compound as source of ethylene is ethephon. Reason : Ethephon hastens fruit ripening in tomatoes and apples and accelerates abscission in stems and leaves.

By suppressing the expression of which enzyme, the process of fruit ripening can be delayed?

Knowledge Check

  • One hormone helps in ripening of fruits while the other-stimulates closure of stomata. These are respectively:

    A
    Abscisic acid and auxin
    B
    Ethylene and abscisic acid
    C
    Abscisic acid and ethylene
    D
    Ethylene and gibberellic acid
  • The hormone thyroxine:

    A
    Is secreted by pancreas
    B
    Is secreted by thyroid
    C
    Decreases blood sugar
    D
    Does not stimulate metabolism
  • The gas which is used for the artificial ripening of fruits is:

    A
    `C_2H_6`
    B
    `C_2H_2`
    C
    `C_2H_4`
    D
    Marsh gas
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