1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because
A
effective pumping of CO2 into bundle sheath cells
B
RuBisCo in C4 plants has higher affinity for CO2
C
four carbon acids are the primary intial CO2 fixation products
D
the primary fixation of CO2 is mediated via PEP carboxylase.
2
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
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?
A
Glycolysis
B
Krebs' cycle
C
Conversion of pyruvic acid to acetyl CoA
D
Electron transport chain
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The ability of the Venus Flytrap to capture insects is due to
A
specialized ''muscle-like'' cells
B
chemical stimulation by the prey
C
a passive process requiring no special ability on the part of the plant
D
rapid turgor pressure changes.
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