1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Boron in green plants assists in
A
activation of enzymes
B
acting as enzyme co-factor
C
photossynthesis
D
sugar transport.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Gray spots of oat are caused by deficiency of
A
Cu
B
Zn
C
Mn
D
Fe
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which element is located at the centre of the porphyrin ring in chlorophyll?
A
Calcium
B
Magnesium
C
potassium
D
Manganese
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In sugarcane plant 14CO2 is fixed to malic acid, in which the enzyme that fixes CO2 is
A
ribulose biphosphate carboxylase
B
phosphoenal pyruvic acid carboxylase
C
ribulose phosphate kinase
D
fructose phosphate.
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