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- Question
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
Options- A. ETS (electron transfer system in light reactions
- B. C4 pathway
- C. Photosystem II
- D. Calvin cycle
- Correct Answer
- C4 pathway
- 1. What is the maximum absorption wavelength for photosystem I in green plants?
Options- A. 550 nm
- B. 600 nm
- C. 700 nm
- D. 750 nm Discuss
- 2. During the light-dependent reactions of photosynthesis, which of the following does not occur?
Options- A. Splitting of water
- B. Carbon dioxide fixation
- C. Release of oxygen
- D. Absorption of light energy by photosystems Discuss
- 3. A eukaryotic cell that can carry out only fermentation instead of the complete aerobic respiration of glucose
Options- A. produces less CO2
- B. is lacking in O2
- C. has mitochondria present
- D. all of these Discuss
- 4. Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?
Options- A. O2
- B. CO2
- C. Sunlight
- D. ATP Discuss
- 5. More ATP is manufactured during __________ than at any other time in all of cellular metabolism.
Options- A. fermentation
- B. glycolysis
- C. the light reactions of photosynthesis
- D. oxidative phosphorylation Discuss
- 6. A cyclic electron transport process is the characteristic of
Options- A. photosynthesis
- B. methane oxidation
- C. sulfide oxidation
- D. methane production Discuss
- 7. The breakdown of glucose occurs by the process known as
Options- A. glycolysis
- B. fermentation
- C. anaerobic respiration
- D. Krebs cycle Discuss
- 8. In the initial step of photosynthesis, sunlight energizes the electron pair of
Options- A. adenosine triphosphate (ATP)
- B. chlorophyll pigments
- C. water
- D. carbon dioxide Discuss
- 9. Antenna complexes, electron transport chains, and carbon fixation are all found in
Options- A. animal cells
- B. bacterial cells
- C. plant cells
- D. association with the reactions of the citric acid cycle Discuss
- 10. Which of the following statements about energy metabolism is false?
Options- A. The energy that powers living systems ultimately comes from the sun
- B. All animals in some way rely on plants for their energy
- C. Plants provide the water and CO2 that animals need to carry out respiration
- D. All eukaryotic organisms carry out respiration in the presence of O2 Discuss
Photosynthesis and Respiration problems
Search Results
Correct Answer: 700 nm
Correct Answer: Carbon dioxide fixation
Correct Answer: all of these
Correct Answer: CO2
Correct Answer: oxidative phosphorylation
Correct Answer: photosynthesis
Correct Answer: glycolysis
Correct Answer: chlorophyll pigments
Correct Answer: plant cells
Correct Answer: Plants provide the water and CO2 that animals need to carry out respiration
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