Question 5. The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called
Calvin cycle
Photosystem II
C4 pathway
ETS (electron transfer system in light reactions
Explanation:-
Answer: Option C. -> C4 pathway
Question 6. More ATP is manufactured during __________ than at any other time in all of cellular metabolism.
glycolysis
the light reactions of photosynthesis
fermentation
oxidative phosphorylation
Explanation:-
Answer: Option D. -> oxidative phosphorylation
Question 7. Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?
Light reactions of photosynthesis
Carbon fixation
Dark reactions of photosynthesis
Fermentation
Explanation:-
Answer: Option A. -> Light reactions of photosynthesis
Question 8. Carbon fixation requires the expenditure of ATP molecules which is generated by
replenishment of chlorophyll
formation of glucose during the Calvin cycle
None of these
ETS (electron transfer system) during the light reactions
Explanation:-
Answer: Option D. -> ETS (electron transfer system) during the light reactions
Question 9. Antenna complexes, electron transport chains, and carbon fixation are all found in
plant cells
bacterial cells
association with the reactions of the citric acid cycle
animal cells
Explanation:-
Answer: Option A. -> plant cells
Question 10. Electron transport systems play a vital role in