1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
In leaves of C4 plants malic acid synthesis during CO2 fixation occurs in
A
bundle sheath
B
guard cells
C
epidermal cells
D
mesophyll cells.
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Electrons from excited chlorophyll molecule of photosystem II are accepted first by
A
quinone
B
ferredoxin
C
cytochrome-b
D
cytochrome-f.
3
AIPMT 2008
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
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because
A
a proton gradient forms across the inner membrane
B
there is a change in the permeability of the inner mitochondrial membrane toward adenosine diphosphate (ADP)
C
high energy bonds are formed in mitochondrial proteins
D
ADP is pumped out of the matrix into the intermembrane space.
EXAM MAP