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The hormone that promotes rapid elongati...

The hormone that promotes rapid elongation of intermodes or leaf base in deep water rice plant is ………..

A

Abscisic aicd

B

Ethylene

C

Cytokinin

D

Gibberellin.

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Read the given statements and identify the plant hormones X,Y and Z. (i) Hormone Y induces flowering in mango and also promotes rapid internode/petiole elongation in deep water rice plants and hence helping leaves or upper part of shoot to remain above water. (ii) Hormone X promotes root growth and root hair formation. (iii) Hormone Z inhibits the seed germination, increases the tolerance of plant to various stresses, play important role in seed development, maturation and dormancy.

    A
    `Y-ABA, X-"Auxin", Z-GA`
    B
    `Y-C_(2)H_(4)X - "Auxin", Z - GA`
    C
    `Y-"Auxin", X-C_(2)H_(4),Z - GA`
    D
    `Y-C_(2)H_(4),X - C_(2)H_(4),Z - ABA`

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