1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which type of white blood cells are connected with the release of histamine and the natural anticoagulant heparin?
A
Eosinophils
B
Monocytes
C
Neutrophils
D
Basophils
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The C4 plants are photosynthetically more efficient than C3 plants because
A
the CO2 efflux is not prevented
B
they have more chloroplasts
C
the CO2 compensation point is more
D
CO2 generated during photorespiration is trapped and recycled through PEP carboxylase.
3
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.
4
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.
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