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.

A and C only

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A and D only

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B and C only

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A and B only

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B and D only

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Solution

The correct option is D A and B only
Auxins are responsible for the apical dominance inhibited by plants. Cytokinin on the other hand helps in delaying ageing of plants by 'Richmond Lang effect'.

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Similar questions

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. Select the correct statements.
A) Inhibitor-B, abscission II & dormin are chemically different.
B)

G A_{3}

speeds up malting process in brewing industry.
C) Auxins promote flowering in pineapple but promote abscission of only older mature leaves & fruits.
D) Natural cytokinins are secreted by cells in zone of elongation.

Q. Which of the following statements are correct?
a. Cytokinins suppress the synthesis of chlorophyll.
b. Auxins control apical dominance.
c. Gibberellins promote shoot elongation.
d. Abscisic acid enables the seeds to withstand desiccation.

Q. Which statements are correct?

a

- Cytokinins suppress the synthesis of chlorophyll

b

- Auxins control apical dominance

c

- Gibberellins promote shoot elongation

d

- Abscisic acid enables seeds to with-stand desication.

Q. The stomata take in and give out
(A) hydrogen.
(B) oxygen carbon dioxide, water.
(C) water and oxygen only.
(D) carbon dioxide only.

(a) Only B is correct.
(b) Only A is correct.
(c) Both B and C are correct.
(d) Both B and D are correct.

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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.

The correct option is D A and B onlyAuxins are responsible for the apical dominance inhibited by plants. Cytokinin on the other hand helps in delaying ageing of plants by 'Richmond Lang effect'.

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.

The correct option is D A and B only
Auxins are responsible for the apical dominance inhibited by plants. Cytokinin on the other hand helps in delaying ageing of plants by 'Richmond Lang effect'.