161.  Muscle cells starved of oxygen and supplied with pyruvic acid will produce

A. Ethanol

B. Lactic acids

C. \(CO_2\) only

D. \(CO_2\) and \(H_2O\)

Answer : Option B

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162.  Products of anaerobic respiration are

A. (a) Water and alcohol

B. (b) Water and oxygen

C. Alcohol and \(CO_2\)

D. \(CO_2\) water

Answer : Option C

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163.  During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP

A. Glycolysis

B. Krebs cycle

C. Conversion of pyruvic acid to acetyl CoA

D. Electron transport chain.

Answer : Option D

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164.  How many molecules of \(NADH_2\) are produced when four molecules of phosphogyceraldehyde arc converted into four molecules of pyruvate

A. 8

B. 2

C. 4

D. 6

Answer : Option C

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165.  The overall goal of glycolysis, Krebs cycle and electron transport system is the formation of

A. ATP in one large oxidation reaction

B. Sugars

C. Nucleic acid

D. ATP in small steps

Answer : Option D

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