Q. No.The substrate which enters in Krebs’ cycle during oxidation of Glucose is
(1) Pyruvate
(2) Acetyl CoA
(3) Oxaloacetate
(4) Succinate
(1) Pyruvate
(2) Acetyl CoA
(3) Oxaloacetate
(4) Succinate
Who elucidated Krebs’ cycle for the very first time?
(1) Frederick Kreb
(2) Hans Kreb
(3) Edward Kreb
(4) Tilman Kreb
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
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 |
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
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
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
What is that process in which GTP is formed in cellular respiration?
(1) Glycolysis
(2) Oxidative Phosphorylation
(3) Electron Transport Chain
(4) Krebs’ cycle
The synthesis of GTP in Krebs’ cycle is
(1) Oxidative Phosphorylation
(2) Substrate Level Phosphorylation
(3) Photo Phosphorylation
(4) Photorespiration
In a coupled reaction,....... is converted to …...with the simultaneous synthesis of ….…...from ……( The reaction of Krebs’ Cycle of cellular respiration)
| 1. | GDP,GTP,ADP, ATP |
| 2. | GTP,GDP, ATP, ADP |
| 3. | ADP,ATP, GDP,GTP |
| 4. | ATP, ADP, GDP, GTP |
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