Question 35
Name the plant hormones responsible for the following

(a) Elongation of cells
(b) Growth of stem
(c) Promotion of cell division
(d) Falling of senescent leaves

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Solution

The plant hormones responsible for the following are

(a) Elongation of cells - Auxin
(b) Growth of stem - Gibberellins
(c) Promotion of cell division – Cytokinin
(d) Falling of senescent leaves - Abscisic acid

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Question 35
Name the plant hormones responsible for the following

(a) Elongation of cells
(b) Growth of stem
(c) Promotion of cell division
(d) Falling of senescent leaves

Name the plant hormone:
A. which inhibits growth and causes wilting of leaves.
B. which promotes cell division.

Question 11
The main function of abscisic acid in plants is to

(a) increase the length of cells
(b) promote cell division
(c) inhibit growth
(d) promote growth of stem

Q. Name the plant hormones which are responsible for the following effects :
(a) falling of leaves
(b) opening of stomata
(c) bending of stem towards light
(d) closing of stomata

Q. Which plant hormone is responsible for fall of senescent leaves?

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Abscisic Acid

Standard X Biology

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Question 35 Name the plant hormones responsible for the following (a) Elongation of cells (b) Growth of stem (c) Promotion of cell division (d) Falling of senescent leaves

The plant hormones responsible for the following are (a) Elongation of cells - Auxin (b) Growth of stem - Gibberellins (c) Promotion of cell division – Cytokinin (d) Falling of senescent leaves - Abscisic acid

Question 35
Name the plant hormones responsible for the following

(a) Elongation of cells
(b) Growth of stem
(c) Promotion of cell division
(d) Falling of senescent leaves

The plant hormones responsible for the following are

(a) Elongation of cells - Auxin
(b) Growth of stem - Gibberellins
(c) Promotion of cell division – Cytokinin
(d) Falling of senescent leaves - Abscisic acid