SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Pick out the correct statements.

  1. Cytokinins especially help in delaying senescence.
  2. Auxins are involved in regulating apical dominance.
  3. Ethylene is especially useful in enhancing seed germination.
  4. Gibberellins are responsible for immature falling of leaves.

a)

I and III

b)

I and IV

c)

II and III

d)

I and II


Question ID - 5496 :-

Pick out the correct statements.

  1. Cytokinins especially help in delaying senescence.
  2. Auxins are involved in regulating apical dominance.
  3. Ethylene is especially useful in enhancing seed germination.
  4. Gibberellins are responsible for immature falling of leaves.

a)

I and III

b)

I and IV

c)

II and III

d)

I and II

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

Ethylene is a gaseous hormone responsible for fruit ripening. Germination of seed is triggered by soaking the seed in water. After imbibing water the embryo secretes gibberellin, which diffuses to the aleurone layer and stimulates the synthesis of several enzymes including -amylase. These enzymes catalyze the breakdown of food reserve in endosperm.

Gibberellins are not responsible for immature falling of leaves.



Next Question :

Haptonastic movement is found in

a)

b)

c)

d)


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