1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following is not a secondary messenger in hormone action?
A
cAMP
B
cGMP
C
Calcium
D
Sodium
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Parthenocarpic tomato fruits can be produced by
A
treating the plants with phenylmercuric acetate
B
removing androcium of flowers before pollen grains are released
C
treating the plants with low concentrations of gibberellic acid and auxins
D
raising the plants from vernalized seeds.
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
In a cereal grain the single cotyledon of embryo is represented by
A
coleoptile
B
coleorhiza
C
scutellum
D
prophyll.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The arrangement of the nuclei in a normal embryo sac in the dicot plants is
A
3 + 3 +2
B
2 + 4 + 2
C
3 + 2 + 3
D
2 + 3 + 3
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