First slide

Plant Growth Regulators

Question

Which of the following is not a function of plant growth promoters?

Easy

A

Cell division
B

Seed germination
C

Fruiting
D

Response to various stress of biotic and abiotic origin

Solution

Plant growth promoters are involved in growth promoting activities, such as cell division, cell enlargement, pattern formation, tropic growth, flowering, fruiting and seed formation, e.g., auxins, gibberellins and cytokinins.
Plant growth inhibitors such as abscisic acid play an important role in plant responses to wounds and stresses of biotic and abiotic origin. They are also involved in various growth inhibiting activities such as dormancy and abscission

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