1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Plants adapted to low light intensity have
A
larger photosynthetic unit size than the sum plants
B
higher rate of CO2 fixation than the sun plants
C
more extended root system
D
leaves modified to spines.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following is wrong in relation to photorespiration?
A
It occurs in chloroplast
B
It occurs in day time only
C
It is a characteristic of C4 plants
D
It is a characteristic of C3 plants.
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants?
A
Blue and green
B
Green and red
C
Red and violet
D
Violet and blue.
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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