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Auxin can be bioassayed by...

Auxin can be bioassayed by

A

Avena coleoptile curvature

B

hydroponics

C

potometer

D

lettuce hypocotyl elongation

Text Solution

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The correct Answer is:
A
Auxin is a phytohormone that is often bioassayed by Avena coleoptile curvature test. The angle of curvatme of a decapitated oat coleoptile .is measured after placing an agar block containing auxin on one side. The ability of auxin to stir:mlate shoot growth is then measured.
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