MCQ on Cellular Respiration

1. Whats are the End product of aerobic respiration?
(a) sugar and oxygen
(b) carbon dioxide, water, and energy
(c) carbon dioxide and energy
(d) water and energy

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(b) carbon dioxide, water, and energy

2. What number of ATP can produce by EMP ?
(a) 6 ATP
(b) 8 ATP
(c) 24 ATP
(d) 38 ATP

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(b) 8 ATP

3. How many ATP molecules are produced by the aerobic oxidation of one molecule of glucose?
(a) 8
(b) 30
(c) 36
(d) 38

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(d) 38

4. During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?
(a) Kreb’s cycle
(b) Glycolysis
(c) Electron transport chain
(d) Conversion of pyruvic acid to acetyl CoA

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(c) Electron transport chain




5. R.Q. is
(a) C/N
(b) N/C
(c) CO2/O2
(d) O2/CO2.

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(c) CO2/O2

6. Oxidative phosphorylation is production of
(a) ATP in photosynthesis
(b) NADPH in photosynthesis
(c) ATP in respiration
(d) NADH in respiration.

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(c) ATP in respiration

7. What is the End product of citric acid cycle/Krebs cycle ?
(a) citric acid
(b) lactic acid
(c) pyruvic acid
(d) CO2 + H2O.

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(d) CO2 + H2O.

8. Life without air would be
(a) reductional
(b) free from oxidative damage
(c) impossible
(d) anaerobic.

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(d) anaerobic

9. When yeast ferments glucose, the products obtained are
(a) ethanol and CO2
(b) methanol and CO2
(c) ethanol and water
(d) water and CO2.

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(a) ethanol and CO2

10. At the end of glycolysis, six carbon compounds ultimately changes into
(a) ethyl alcohol
(b) acetyl Co-A
(c) pyruvic acid
(d) ATP.

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(c) pyruvic acid

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