Identify the pair that is correctly matched from the given.

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

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

Auxin, gibberellin, cytokinin and ethylene are hormones that are present in plants. Gibberellins promote internodal growth and cell elongation. Auxin, produced in the apical part of the plant, helps in enlargement of cells. Cytokinin brings about cell division. Ethylene, the only gaseous hormone, promotes ripening of fruits.

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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

Q. Find the correct match:
1. Auxin
2. Gibberellins
3. Cytokinins
4. Ethylene

(a) Growth promoter as well as inhibitor

(b) Lateral growth
(c) Promotes bolting
(d) Cell Elongation and 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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Identify the pair that is correctly matched from the given. Auxin – cell division Gibberellin – internodal elongation Cytokinin – fruit ripening Ethylene – apical dominance

Identify the pair that is correctly matched from the given.

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