1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
Auxin can be bioassayed by
A
potometer
B
lettuce hypocotyl elongation
C
Avena coleoptile curvature
D
hydroponics.
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Typical growth curve in plants is
A
stair-steps shaped
B
parabolic
C
sigmoid
D
linear.
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
What causes a green plant exposed to the light, on only one side, to bend towards the source of light as it grows?
A
Light stimulates plant cells on the lighted side to grow faster.
B
Auxin accumulates on the shaded side, stimulating greater cell elongation there.
C
Green plants need light to perform photosynthesis.
D
Green plants seek light because they are photoreopic.
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following growth regulators is known as 'stress hormone'?
A
Abscisic acid
B
Ethylene
C
GA3
D
Indole acetic acid
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