Hormones used to speed up malting in barley, promote flowering in pineapple and delaying leaf senescence in plants are------------------ respectively.

Auxin, Gibberellin, Cytokinin

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Gibberellin, Cytokinin, Auxin

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Gibberellin, Auxin, Cytokinin

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Cytokinin, Auxin, Gibberellin

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Auxin, Cytokinin, Gibberellin

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Solution

The correct option is A Gibberellin, Auxin, Cytokinin
Gibberellin regulates a wide range of processes involved in plant growth, organ development, and environmental responses. Hence, it is used in the brewery industry to speed up the malting process of barley.
Auxin induces the synthesis of ethylene, resulting in the flowering of pineapples.
Cytokinin is a plant hormone that stimulates cell division and delays senescence in leaves.
Thus, the correct answer is option C.

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Similar questions

Q. One hormone is used to speed up the malting process in barley, another is used to promote flowering in pineapple, while the third helps in the delay of leaf senescence. These are respectively:

Q. What are the exact functions of the plant hormones(Auxin,Cytokinins,Gibberellins,Abscisic acid)?

Pick out the correct statements.
I. Cytokinins especially help in delaying senescence.
II. Auxins are involved in regulating apical dominance.
III. Ethylene is especially useful in enhancing seed germination.
IV. Gibberellins are responsible for immature falling of leaves.

Q. Pick out the correct statements.
(A) Cytokinins specially help in delaying senescence.
(B) Auxins are involved in regulating apical dominance.
(C) Ethylene is especially useful in enhancing seed germination.
(D) Gibberellins are responsible for immature falling of leaves.

Q. Choose the right from the following.
i. In light, hormone auxin, helps the cells to grow longer in plants .
ii. Plant hormone gibberellins helps in growth of a stem.
iii. Cytokinins inhibits cell division.
iv. Abscisic acid promote growth in plants.

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