1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
About 98 percent of the mas of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and
A
sulphur and magnesium
B
magnesium and sodium
C
calcium and phosphorus
D
phosphorus and sulphur.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is
A
iron-sulphur protein
B
ferredoxin
C
quinone
D
cytochrome.
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of
A
bundle sheath
B
phloem
C
epidermis
D
mesophyll.
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
A
isocitrate dehydrogenase
B
malate dehydrogenase
C
succinate dehydrogenase
D
lactate dehydrogenase.
EXAM MAP