Physiology and Metabolism MCQ Questions & Answers | Biotechnology Page-3 section-1

21.
Light compensation point is the irradiance at which

A. Net photosynthetic photon flux is zero

B. There is no photosynthesis

C. Net CO₂ exchange is zero

D. Quantum yield of photosynthesis is one

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22.
Organisms that ferment glucose may produce any of the following end products, except

A. Lactic acid

B. Propionic acid

C. Alcohol

D. Oxygen

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23.
In photosynthesis, how many molecules of ATP and NADPH₂ are used?

A. 12 ATP and 18 NADPH₂

B. 10 ATP and NADPH₂

C. 18 ATP and 12 NADPH₂

D. 38 ATP and 23 NADPH₂

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24.
The formation of glucose from non-arbohydrate source is known as

A. Glycogenesis

B. Gluconeogenesis

C. Glycogenolysis

D. Glycolysis

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25.
Standard redox potential for substance ismeasured under standard condition and is expressed as

A. Mili ampere

B. Volt

C. Ohm

D. All the above

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26.
During glycolysis, fructose-1, 6-diphosphate undergoes-to produce two C3-fragments

A. Retroaldol reaction

B. Oxidation

C. Isomerisation

D. Hydrolysis

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27.
The uncoupling agent of oxidative phosphorylation is

A. Barbiturates

B. Penicillin

C. Antimycin-A

D. Dicomarol

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28.
In E. coli, the respiratory chain components are located in the

A. Plasmids

B. Cytoplasmic membrane

C. Cytosol

D. Mitochondrial membrane

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29.
The reduction phase of Calvin-Benson cycle in Arabidpsis is inhibited. This can be attributed to the inactivation of

A. Aldolase

B. Triose phosphate isomerase

C. Fructose-16, -bisphssphatase

D. 3-phosphoglycerate kinase

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30.
Pyruvic acid acts as

A. Hydrogen accepter in aerobic respiration

B. Intermediate substrate in aerobic respiration

C. Electron accepter

D. Hydrogen accepter in fermentation and intermediate substrate in aerobic respiration

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Physiology and Metabolism MCQ Questions & Answers | Biotechnology

21. Light compensation point is the irradiance at which

Answer & Solution

22. Organisms that ferment glucose may produce any of the following end products, except

Answer & Solution

23. In photosynthesis, how many molecules of ATP and NADPH2 are used?

Answer & Solution

24. The formation of glucose from non-arbohydrate source is known as

Answer & Solution

25. Standard redox potential for substance ismeasured under standard condition and is expressed as

Answer & Solution

26. During glycolysis, fructose-1, 6-diphosphate undergoes-to produce two C3-fragments

Answer & Solution

27. The uncoupling agent of oxidative phosphorylation is

Answer & Solution

28. In E. coli, the respiratory chain components are located in the

Answer & Solution

29. The reduction phase of Calvin-Benson cycle in Arabidpsis is inhibited. This can be attributed to the inactivation of

Answer & Solution

30. Pyruvic acid acts as

Answer & Solution

21.
Light compensation point is the irradiance at which

22.
Organisms that ferment glucose may produce any of the following end products, except

23.
In photosynthesis, how many molecules of ATP and NADPH₂ are used?

24.
The formation of glucose from non-arbohydrate source is known as

25.
Standard redox potential for substance ismeasured under standard condition and is expressed as

26.
During glycolysis, fructose-1, 6-diphosphate undergoes-to produce two C3-fragments

27.
The uncoupling agent of oxidative phosphorylation is

28.
In E. coli, the respiratory chain components are located in the

29.
The reduction phase of Calvin-Benson cycle in Arabidpsis is inhibited. This can be attributed to the inactivation of

30.
Pyruvic acid acts as