1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone
A
auxin
B
cytokinin
C
ethylene
D
abscisic acid.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The major role of minor elements inside living organisms is to act as
A
co-factors of enzymes
B
building blocks of important amino acids
C
constituent of hormones
D
binder of cell structure.
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.
EXAM MAP