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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:


Correct Answer
A

1 and 2 only
Your Answer
B

2, 3 and 4 only
Your Answer
C

1, 2 and 3 only
Your Answer
D

3 and 4 only

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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