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
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.
3
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.
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The overall goal of glycolysis, Krebs' cycle and the electron transport system is the formation of
A
ATP in one large oxidation reaction
B
sugars
C
nucleic acids
D
ATP in small stepwise units.