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Cytokinins

Phytohormone ...

Question

Phytohormone which promotes nutrient mobilisation, also help in?

A

Induce flowering in mango

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B

Fruit thinning of cotton

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C

Production of new leaves and chloroplasts

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D

Seed development and dormancy

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Solution

The correct option is C Production of new leaves and chloroplasts
Pytohormone which causes mobalization of nutrients is cytokinin and it also helps in the formation of new leaves and chloroplast.

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Similar questions

Q. P, Q, R, S are four major types of phytohormones.

What are P, Q, R, and S?

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.

Q. Read the given statements to identify the phytohormone that performs these functions.

(i) Horizontal growth of seedlings, swelling of the axis and apical hook formation in dicot seedlings.
(ii) Promoting senescence and abscission of leaves and flowers.
(iii) Breaking seed and bud dormancy.
(iv) Initiating germination in peanut seeds.
(v) Sprouting of potato tubers.

Q. Study the following statements.
I. X hormone promotes cell elongation and helps in the increase in the length of the plant.
II. Y hormone induces flowering in mango and also promotes rapid internode/petiole elongation in deep plants and hence helping leaves or upper parts of shoot above water.
III. Z hormone inhibits the seed germination, increase the tolerance of plant to various stresses, play important role in seed development, maturation and dormancy.
Identify the correct names of hormones marked as X, Y and Z.

Q. Which phytohormone is responsible for the promotion of female flowers in cucumber?

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