91.  The number of ATP molecules formed in oxidative phosphorylation of 1 pyruvic acid

A. 6

B. 14

C. 28

D. 34

Answer : Option B

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92.  How much energy spent in transport of one pyruvic acid to mitochondrion ?

A. Energy of 1 ATP

B. No energy

C. Energy of 2 ATP

D. Not certain

Answer : Option A

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93.  In anaerobic respiration in plants

A. Oxygen is absorbed

B. Oxygen is released

C. Carbon dioxide is released

D. Carbon dioxide is absorbed.

Answer : Option C

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94.  Krebs cycle takes place in

A. Vesicles of E.R

B. Mitochondria

C. Dictyosomes

D. Chloroplasts

Answer : Option B

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95.  By ETS, ATP-synthesis occurs on the

A. Outer membrane of mitochondrion

B. Inner membrane of mitochondrion

C. Matrix

D. None of the above

Answer : Option B

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96.  Energy currency (reservoir) of the cells is

A. AMP

B. ATP

C. RNA

D. DNA

Answer : Option B

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97.  Complete oxidation of glucose into pyruvic acid with several intermediate steps is known as

A. TCA-pathway

B. Glycolysis

C. HMS-pathway

D. Krebs cycle

Answer : Option B

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98.  When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is

A. Loss of 3 ATP molecules

B. Loss of 6 ATP molecules

C. Gain of 2 ATP molecules

D. Gain of 4 ATP molecules

Answer : Option A

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99.  Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzyme

A. Decarboxylase

B. Dehydrogenase

C. Decarboxylase and dehydrogenase

D. Phosphotase

Answer : Option C

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100.  RQ for fatty substance/fat is

A. Infinity

B. Less than one

C. Greater than one

D. Zero

Answer : Option B

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