1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plants?
A
Two
B
Six
C
Twelve
D
Zero
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In C3 plants, the first stable product of photosynthesis during the dark reaction is
A
malic acid
B
oxaloacetic acid
C
3-phosphoglyceric acid
D
phosphoglyceraldehyde.
3
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.
4
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.
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