The main function of ethane (ethylene) in plants is to

Inhibit growth

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Promote growth and ripening of fruits

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Promote cell division

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All of the above

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Solution

The correct option is A Promote growth and ripening of fruits
Ethylene is the gaseous hormone that stimulates growth and development of floral organs and promotes fruit ripening. It stimulates abscission and is also involved in stress responses. This makes option B correct and option A incorrect. Option C is incorrect as ethylene does not promote cell division but governs a wide range of developmental and metabolic processes in plants. Thus the correct answer is B.

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Similar questions

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. Match the phytohormones with their functions. Choose the answer with the correct combination of alphabets.

	Phytohormones		Functions
A	Auxins	p	Breaking seed dormancy
B	Gibberellins	q	Inducing fruit ripening
C	Cytokinins	r	Growth inhibitor
D	Ethylene	s	Root initiation
		t	Promote cell division

Q. Q. Which of the following pairs is/are correctly paired?

Plant Hormone	Functions
1. Auxin	Helps in the growth of plant tissue.
2. Cytokinin	Promotes cell division, delays aging of cells.
3. Ethylene	Inhibits growth and causes wilting of leaves, promoting dormancy of buds.
4. Gibberellin	This is a gaseous hormone that causes the ripening of fruits

Select the correct answer using the codes given below:

Q. Match the following hormones with their functions.

Hormones	Function
1.Ethylene	i. Helps in cell division.
2.Gibberellin	ii. Induces dormancy in buds and seeds
3.Cytokinin	iii. Helps in the ripening of fruit
4.Abscisic acid	iv. Causes bolting in plants

Q. Match the plant hormones listed in column I with their major role listed in column II and select the corret option from the codes given below.

Column I	Column II
(A) Auxin	(i) Fruit ripening
(B) Cytokinin	(ii) Phototropism
(C) Abscisic acid	(iii) Suppression of cell division
(D) Ethylene	(iv) Stomatal opening and closing
	(v) Growth of lateral buds

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