Which of the following ion is important for the activity of Pyruvate dehydrogenase?

(1) Zn++

(2) Mn+

(3) Mg++

(4) Ca++

Subtopic:  Aerobic Respiration |
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How many molecule of NADH are produced during oxidation of one molecule of Glucose to Acetyl CoA?

(1) 2NADH

(2) 4NADH

(3) 3NADH

(4) 12 NADH

Subtopic:  Aerobic Respiration |
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The substrate which enters in Krebs’ cycle during oxidation of Glucose is

(1) Pyruvate

(2) Acetyl CoA

(3) Oxaloacetate

(4) Succinate

Subtopic:  Aerobic Respiration |
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Who elucidated Krebs’ cycle for the very first time?

(1) Frederick Kreb

(2) Hans Kreb

(3) Edward Kreb

(4) Tilman Kreb

Subtopic:  Aerobic Respiration |
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Which of the following is not used for the cyclic process of cellular respiration of carbohydrates?

(1) Krebs’ cycle

(2) Tricarboxylic Acid Cycle

(3) Citric Acid cycle

(4) Phosphorespiration cycle

Subtopic:  Kreb's Cycle |
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The very first step of TCA cycle involves except

(1) Citrate synthase

(2) A molecule of coenzyme A is released

(3) Isomerization

(4) Formation of citrate

Subtopic:  Kreb's Cycle |
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From citrate to alpha-ketoglutarate in TCA cycle all the following reactions happen except

(1) Isomerization

(2) Decarboxylation

(3) Release of Carbon-dioxide

(4) FADH2 formation

Subtopic:  Kreb's Cycle |
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From alpha-ketoglutarate to succinyl CoA in TCA cycle which of the following occurs

(1) 4C compound is formed

(2) 5C compound is Formed

(3) 6C compound is formed

(4) 2C compound is regenerated

Subtopic:  Kreb's Cycle |
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Formation of GTP occurs in which of the following steps of Krebs’ cycle?

(1) Conversion of succinyl CoA to succinate

(2) Conversion of alpha-ketoglutarate to succinyl CoA

(3) Conversion of Isocitrate to alpha-ketoglutarate

(4) Conversion of Malate to Oxaloacetate

Subtopic:  Kreb's Cycle |
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What is that process in which GTP is formed in cellular respiration?

(1) Glycolysis

(2) Oxidative Phosphorylation

(3) Electron Transport Chain

(4) Krebs’ cycle

Subtopic:  Kreb's Cycle |
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