Which one of the following pairs is correctly matched?

Auxin – cell division

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Gibberellin – internodal elongation

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Cytokinin – fruit ripening

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Ethylene – apical dominance

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Solution

The correct option is B
Gibberellin – internodal elongation

Gibberellins promote internodal growth. Auxin helps in apical dominance. Cytokinin brings about cell division and ethylene promotes ripening of fruits.

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Question 03:

The effect of apical dominance can be overcome by which of the following hormone?
(a) IAA
(b) Ethylene
(c) Gibberellin
(d) Cytokinin

Identify the pair that is correctly matched from the given.

Auxin – cell division
Gibberellin – internodal elongation
Cytokinin – fruit ripening
Ethylene – apical dominance

Q. Match the names of the phytohormones with the roles listed.

	List I		List II
A	Auxin	p	Internodal elongation
B	Gibberellin	q	Cell division
C	Cytokinin	r	Ripening of fruits
D	Ethylene	s	Abscission
		t	Apical dominance

Match the names of plant hormones mentioned under column I, with the physiological effects listed under column II. Choose the answer which gives the correct combinations of the alphabets

$\begin{matrix} Column I & Column II Plant Hormones & Physiological Effect A & Gibberellin & e & Cell division B & Auxin & f & Internodal elongation C & Kinetin & g & Ripening of fruits D & Ethylene & h & Abscission i & Apical dominance \end{matrix}$

Q. Match the columns and choose the correct combination.

	I		II
(a)	Cytokinin	(p)	Stress hormone
(b)	Auxins	(q)	Ripening of fruits
(c)	Abscisic acid	(r)	Apical dominance
(d)	Ethylene	(s)	Bolting
		(t)	Richmond-Lang Effect

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Which one of the following pairs is correctly matched?

The correct option is B Gibberellin – internodal elongation Gibberellins promote internodal growth. Auxin helps in apical dominance. Cytokinin brings about cell division and ethylene promotes ripening of fruits.

The correct option is B
Gibberellin – internodal elongation

Gibberellins promote internodal growth. Auxin helps in apical dominance. Cytokinin brings about cell division and ethylene promotes ripening of fruits.