1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Differentiation of shoot is controlled by
A
high auxin : cytokinin ratio
B
high cytokinin : auxin ratio
C
high gibberellin : auxin ration
D
high gibberellin : cytokinin ratio.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone
A
auxin
B
cytokinin
C
ethylene
D
abscisic acid.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Dwarfness can be controlled by treating the plant with
A
cytokinin
B
gibberellic acid
C
auxin
D
antigibberellin.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Seed dormancy is due to the
A
ethylene
B
abscisic acid
C
IAA
D
starch.
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