Cytokinins are involved in the following processes except

Lateral shoot and adventitious shoot formation

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Induce differentiation in association with auxins

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Promote root growth and root hair formation

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Produce new leaves and chloroplasts in leaves

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Solution

The correct option is C
Promote root growth and root hair formation

Cytokinin is not involved in promoting root growth and root hair formation. This physiological role is of ethylene hormone.

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Q. Which of the following methods involves the formation of new plants from roots, stems, and leaves?

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A) Inhibitor-B, abscission II & dormin are chemically different.
B)

G A_{3}

speeds up malting process in brewing industry.
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Question 13
Vegetative propagation refers to the formation of new plants from

(a) stem, roots and flowers
(b) stem, roots and leaves
(c) stem, flowers and fruits
(d) stem, leaves and flowers

Vegetative propagation refers to the formation of new plants from the following existing organs of the old plants
(a) stems, roots and flowers
(b) stems, roots and leaves
(c) stems, flowers and fruits
(d) stems, leaves and flowers

Q. Read the given statements and identify the plant hormones X, Y and Z.
(i) Hormone Y suppresses 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.
(ii) Hormone Z inhibits the seed germination, increases the tolerance of plant to various stresses, play important role in seed development maturation and dormancy.

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Cytokinins are involved in the following processes except

The correct option is C Promote root growth and root hair formation Cytokinin is not involved in promoting root growth and root hair formation. This physiological role is of ethylene hormone.

The correct option is C
Promote root growth and root hair formation

Cytokinin is not involved in promoting root growth and root hair formation. This physiological role is of ethylene hormone.