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Quiz on Cellular Respiration and Photosynthesis

Cellular Respiration and Photosynthesis

1. In non-cyclic photophosphorylation,water splitting refills 'electron hole' in PS II and the site of water splitting is
stroma
grana
thylakoid membrane
thylakoid lumen
chloroplast membrane
2. During respiration,incomplete breakdown of C6H12O6 into 2 pyruvate molecules occurs in
cristae
cytosol
outer mitochondrial membrane
inner mitochondrial membrane
mitochondrial matrix
3. All the following statements on C4 plants are true except
C3 cycle is present in C4 plants
RuBP is the initial CO2 acceptor
photorespiration is negligible in C4 plants
CO2 fixation occurs at two sites
The first product formed is Oxaloacetic acid
4. The number of NADH molecules produced per glucose molecule in Krebs cycle is
8
6
4
2
1
5. Which of the following process in cellular respiration is independent of oxygen concentration?
Oxidative phosphorylation
electron transport chain
Krebs cycle
Embden-Meyerhof pathway
Chemiosmosis
6. The proton channel; cytochrome b6 f complex of photosynthesis is analogous to respiratory complex
cytochrome bc1
cytochrome c oxidase
NADH-CoQ reductase
succinate dehydrogenase
ATP synthase
7. During respiration,the energy released during electron flow is used to pump H+ into
mitochondrial matrix
cristae
mitochondrial outer membrane
mitochondrial intermembrane space
cytoplasm
8. During photosynthesis,the energy released during electron flow is used to pump H+ into
thylakoid membrane
thylakoid space
grana
stroma
chloroplast inner membrane
9. During respiration, Water is formed at the end of electron transport chain.What is the source of oxygen for the synthesis of water?
C6H12O6 (glucose)
CO2
Molecular O2
lactic acid (C3H6O3)
pyruvic acid (C3H4O3)
10. Light reaction of photosynthesis converts light energy to chemical energy in the form of
ATP
NADH
NADPH
Both A and B
Both A and C
Score =
Correct answers:
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