81.  Respiratory quotient and compensation point are

A. Not related

B. Inverse to each other

C. Same

D. Applicable to.all organisms.

Answer : Option A

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82.  RQ = l, is

A. The multiplication \(O_2\) consumed \(O_2\) and released \(CQ_2\)

B. The amount \(of O_2\) consumed and \(CO_2\)released are the same

C. One \(O_2\) molecule more released than \(O_2\)molecule consumed

D. One \(o_2\)molecule more consumed than \(CO_2\)molecules released

Answer : Option B

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83.  If RQ is 0.7, the substance needs

A. More \(O_2\) for respiration

B. Less \(O_2\) for respiration

C. \(O_2\) is not used for its respiration

D. The substance has more oxygen in its constitution

Answer : Option A

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84.  The site of occurrance of all reactions of PPP is

A. Cytosol

B. Mitochondrial matrix

C. Cristae

D. Thylakoid matrix

Answer : Option A

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85.  The process occurring during Kreb’s cycle is

A. Decarboxylation and dehydrogenation

B. Decarboxylation, dehydrogenation and phosphorylation

C. Decarboxylation and phosphorylation

D. Dehydrogenation and phosphorylation

Answer : Option B

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86.  During glycolysis water is released from

A. 2, Phospoglyceric acid

B. Biphosphoglyceric acid

C. Phosphoenol pyruvic acid

D. Phosphoglyceraldehyde

Answer : Option A

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87.  When human muscle contracts :

A. Respiration does not occur

B. Anaerobic respiration occurs, if supply of oxygen is insufficient

C. Anaerobic respiration never occurs

D. Always anaerobic respiration occurs.

Answer : Option B

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88.  The correct sequence of the three processes of aerobic respiration is

A. Glycolysis, Kreb’s cycle, oxidative phosphorylation.

B. Glycolysis, oxidative phosphorylation and Kreb’s cycle

C. Kreb’s cycle, glycolysis and oxidative phosphorylation

D. oxidative phosphorylation, Kreb’s cycle, glycolysis

Answer : Option A

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89.  During PPP, RuBP is formed in

A. Mitochondria

B. Cytosol

C. Stroma

D. Chloroplas

Answer : Option B

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90.  The number of ATP molecules formed in oxidative phosphorylation of one glucose molecule

A. 6

B. 14

C. 28

D. 34

Answer : Option D

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