AIPMT 2005 | NEET Year Wise Previous Years Questions

MCQ (Single Correct Answer)

Photosynthesis in C₄ plants is relatively less limited by atmospheric CO₂ levels because

effective pumping of CO₂ into bundle sheath cells

RuBisCo in C₄ plants has higher affinity for CO₂

four carbon acids are the primary intial CO₂ fixation products

the primary fixation of CO₂ is mediated via PEP carboxylase.

MCQ (Single Correct Answer)

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?

MCQ (Single Correct Answer)

During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?

Krebs' cycle

Conversion of pyruvic acid to acetyl CoA

Electron transport chain

MCQ (Single Correct Answer)

The ability of the Venus Flytrap to capture insects is due to

specialized ''muscle-like'' cells

chemical stimulation by the prey

a passive process requiring no special ability on the part of the plant

rapid turgor pressure changes.