1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
C4 plants are more efficient in photosynthesis than C3 plants due to
A
higher leaf area
B
presence of larger number of chloroplasts in the leaf cells
C
presence of thin cuticle
D
lower rate of photorespiration.
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called
A
glycolysis
B
fermentation
C
aerobic respiration
D
photorespiration.
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Phototropic curvature is the result of uneven distribution of
A
gibberellin
B
phytochrome
C
cytokinins
D
auxin.
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Photoperiodism was first characterised in
A
tobacco
B
potato
C
tomato
D
cotton.
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