Discussion
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- Question
Which enzyme is involved in carbon-fixation reaction?
Options- A. NADP reductase
- B. Cytochrome reductase
- C. Ribulose bisphosphate carboxylase
- D. Glycerol kinase
- Correct Answer
- Ribulose bisphosphate carboxylase
- 1. In the Calvin cycle, carbon dioxide is fixed in a reaction with the
Options- A. ribulose diphosphate
- B. ribulose phosphate
- C. ribose tri phosphate
- D. 3-phosphoglyceric acid Discuss
- 2. Carbon dioxide is reduced in
Options- A. noncyclic photophosphorylation
- B. the Calvin cycle
- C. the light reactions
- D. both light and dark reactions Discuss
- 3. Which of the following enzyme does not take part in the TCA cycle?
Options- A. Citrate synthase
- B. Iso-citrate dehydrogenase
- C. Pyruvate dehydrogenase
- D. Malate dehydrogenase Discuss
- 4. How many ATPs are produced during citric acid cycle?
Options- A. 10
- B. 13
- C. 12
- D. 8 Discuss
- 5. Cholesterol can be synthesized de novo in
Options- A. pancreas
- B. intestine
- C. liver
- D. cell membrane Discuss
- 6. The vast majority of the molecules that act as energy carriers to power cellular activities are made in
Options- A. the nucleus
- B. the Golgi apparatus
- C. the cytosol
- D. the mitochondria and chloroplasts Discuss
- 7. Oxidative phosphorylation is to respiration as __________ is to photosynthesis
Options- A. carbon fixation
- B. electron transport chain
- C. light capture by chlorophyll
- D. reduction of NADPH Discuss
- 8. Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?
Options- A. Fermentation
- B. Light reactions of photosynthesis
- C. Dark reactions of photosynthesis
- D. Carbon fixation Discuss
- 9. Electron transport systems play a vital role in
Options- A. Calvin cycle
- B. photorespiration
- C. light-dependent reactions
- D. all of these Discuss
- 10. Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2?
Options- A. Glycolysis; citric acid cycle; oxidative phosphorylation
- B. Glycolysis; oxidative phosphorylation; citric acid cycle
- C. Oxidative phosphorylation; citric acid cycle; glycolysis
- D. Glycolysis; fermentation Discuss
Photosynthesis and Respiration problems
Search Results
Correct Answer: ribulose diphosphate
Correct Answer: the Calvin cycle
Correct Answer: Pyruvate dehydrogenase
Correct Answer: 12
Correct Answer: liver
Correct Answer: the mitochondria and chloroplasts
Correct Answer: electron transport chain
Correct Answer: Light reactions of photosynthesis
Correct Answer: light-dependent reactions
Correct Answer: Glycolysis; fermentation
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