Home Biology Plant Growth and Development All Topic Question for Revision Test In which of the following options the PGR is…
Biology Plant Growth and Development All Topic Question for Revision Test Single Correct MCQ
Published on: August 14, 2026

In which of the following options the PGR is correctly matched with its two functions?

(a)

Abscisic acid

(1) induces immediate stomatal closure in leaves

(2) induce rooting in a twig

(b)

Gibberellins

(1) Bolting in rosette plant

(2) Speed up the malting process

(c)

Ethylene

(1) Delay leaf senescence

(2) Controls xylem differentiation

(d)

Auxin

(1) Used to kill monocotyledonous weeds

(2) Promotes nutrient mobilization

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