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  • Plants make several hormones that are important for growth and development. Some statements on plant hormones are given below: P. Auxin is produced primarily in the root apices. Q.

Plants make several hormones that are important for growth and development. Some statements on plant hormones are given below:

P. Auxin is produced primarily in the root apices.
Q. Cytokinins are a smaller group of related compounds.
R. Gibberellins are a large group of related compounds defined not by their biological functions but by their structures.
S. Brassinosteroids are an important class of plant hormones, which control a broad spectrum of developmental responses including pollen tube growth.

Which one of the following combinations of the above statements is correct?

Option: 1

P, Q and R
 


Option: 2

Q, Rand S


Option: 3

P, R and S

 


Option: 4

P, O and S


Answers (1)

best_answer

Auxin is not produced primarily in the root apices, but rather in the apical meristems, which are found in both the shoot and root tips of plants. The apical meristem is a region of actively dividing cells that contributes to the growth and development of plant tissues.

Therefore, statement P is wrong. Hence, the correct answer is option 2.

 

Posted by

Devendra Khairwa

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