11.  Fermentation occurs in the

A. Presence of oxygen

B. Presence of water

C. Absence of oxygen

D. Mitochondria

Answer : Option C

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12.  First stage in respiration is

A. Glycolysis

B. Krebs cycle

C. ETS

D. Glycogenesis

Answer : Option A

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13.  Glucose is converted to pyruvic acid in

A. Krebs cycle

B. \(C_4 cycle\)

C. \(C_3 cycle\)

D. Glycolysis

Answer : Option D

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14.  Number of pyruvic acid molecules formed in glycolysis is

A. 1

B. 2

C. 3

D. 6

Answer : Option B

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15.  Number of carbons present in a pyruvic acid t molecule is

A. 2

B. 3

C. 4

D. 6

Answer : Option B

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16.  Glycolysis occurs in

A. Cytoplasm

B. Mitochondria

C. Chloroplast

D. Golgi complex

Answer : Option A

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17.  Glycolysis occurs in

A. Cytoplasm

B. Mitochondria

C. Chloroplast

D. Golgi complex

Answer : Option A

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18.  Number of oxygen molecules used in glycolysis

A. 12

B. 4

C. 6

D. 0

Answer : Option D

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19.  Number of/( CO2)\ molecules produced in glycolysis is

A. 2

B. 3

C. 6

D. 0

Answer : Option D

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20.  In respiration, final acceptor of protons is :

A. Oxygen

B. \(NAD^+\)

C. FAD

D. UQ

Answer : Option A

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