First slide

Plant Growth Regulators

Question

Bioassay for gibberellin is:

Easy

A

Avena curvature test
B

Root growth inhibition test
C

Dwarf pea test
D

Triple response test.

Solution

Bioassay is the testing of a substance for its activity in causing growth response in living plant or its parts. Bioassay for gibberellin is dwarf pea test. Avena curvature test and root growth inhibition test is the bioassay for auxin. Triple response test is the bioassay for ethylene.

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