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Question
Biology
Which o f the following PGRs are categorised as plant growth promoters?
Q. Which o f the following PGRs are categorised as plant growth promoters?
2118
223
Plant Growth and Development
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A
Auxin,
G
A
and cytokinin
78%
B
Ethylene and
A
B
A
7%
C
Ethylene, auxin,
G
A
and cytokinin
20%
D
A
ux
in
,
G
A
,
A
B
A
and cytokinin
10%
Solution:
Ethylene, auxin, GA and cytokinin PGRs are catego rised as plant growth promoters.