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:

1 and 2 only

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2, 3 and 4 only

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1, 2 and 3 only

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3 and 4 only

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Solution

The correct option is A
1 and 2 only
Explanation:

Pair 1 is correctly matched: Auxin helps in the growth of plant tissues.

Pair 2 is correctly matched: Cytokinin promotes cell division, delays aging of cells.

Pair 3 is incorrectly matched: Ethylene is a gaseous hormone which causes the ripening of fruits

Pair 4 is incorrectly matched: Gibberellin helps in the growth of the stem, initiates seed germination, promotes flowering, cell division and seed growth after germination.

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Similar questions

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

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

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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