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RESPIRATION IN PLANTS MCQs

Total Questions : 8
Question 1. In which way are photosynthesis and cellular respiration different?
  1.    Cellular respiration stores ATP, while photosynthesis releases ATP.
  2.    Cellular respiration produces oxygen, while photosynthesis uses oxygen.
  3.    Photosynthesis releases energy, while cellular respiration stores energy.
  4.    Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
 Discuss Question
Answer: Option D. -> Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
Question 2. Pyruvate which is formed by the glycolytic catabolism of carbohydrates in the cytosol, after it enters into mitochondrial matrix it undergoes :
  1.    Reductive amination
  2.    Oxidation decarboxylation
  3.    Reductive carboxylation
  4.    Reductive decarboxylation
 Discuss Question
Answer: Option B. -> Oxidation decarboxylation
Question 3. How many oxidation, decarboxylation and substrate level phosphorylation occurs respectively during complete oxidation of two pyruvate molecule :–
  1.    3, 5, 1
  2.    6, 10, 2
  3.    10, 6, 2
  4.    5, 3, 1
 Discuss Question
Answer: Option C. -> 10, 6, 2
Question 4. Which metabolic pathway is a common pathway to both anaerobic and aerobic metabolism?
  1.    TCA cycle
  2.    ETS
  3.    EMP pathway
  4.    Kreb’s cycle
 Discuss Question
Answer: Option C. -> EMP pathway
Question 5. Where does cellular respiration happen?
  1.    chloroplasts
  2.    ribosomes
  3.    mitochondria
  4.    cell membrane
 Discuss Question
Answer: Option C. -> mitochondria
Question 6. In which part of the cell does photosynthesis take place?
  1.    vacuole
  2.    mitochondria
  3.    cell wall
  4.    chloroplast
 Discuss Question
Answer: Option D. -> chloroplast
Question 7. What is the correct equation for cellular respiration?
  1.    6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
  2.    6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
  3.    6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
  4.    6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
 Discuss Question
Answer: Option A. -> 6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
Question 8. What function does ATP carry out in living things?
  1.    aids in protein folding and coiling
  2.    used to capture and transfer energy
  3.    identifies DNA start sequences for transcription
  4.    helps maintain the fluidity of cell membranes
 Discuss Question
Answer: Option B. -> used to capture and transfer energy

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