Question: Which metabolite of TCA cycle is used in detoxification of ammonia in brain_____________?

• 1. Alpha ketoglutarate
• 2. Ornithine
• 3. Oxalocetate
• 4. Glycine

Question: In TCA cycle, citrate is converted in to after losing a molecule of H2O_____________?

• 1. Isocitrate
• 2. Cisaconitate
• 3. Oxalocetate
• 4. Glutarate

Question: In TCA cycle substrate level phosphorylation occurs at____________?

• 1. Succinate dehydrogenase
• 2. Malonate reduction
• 3. Thiokinase
• 4. None of the above

Question: Which of the following is correctly matched ?

• 1. Isocitrate to oxalo succinate -1 ATP is formed
• 2. Succinyl CoA to succinate -1 ATP is formed
• 3. Succinate to furmarate -1 ATP is formed
• 4. Malate to oxaloacetate -1 ATP is formed

Question: The enzyme involved in the first committed step of glycolysis is____________?

• 1. Phosphofructokinase
• 2. Glucose-6-Phosphatase
• 3. Hexokinase
• 4. Enolase

Question: The end product of glycolysis under anaerobic conditions is_______________?

• 1. Lactic acid
• 2. Pyruvic acid
• 3. Acetoacetic acid
• 4. Oxaloacetic acid

Question: Which of the following is a non-reducing sugar____________?

• 1. Glucose
• 2. Maltose
• 3. Lactose
• 4. Sucrose

Question: What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?

• 1. ATP
• 2. TTP
• 3. ITP
• 4. GTP

Question: The main enzyme responsible for activation of xenobiotics in (detoxification)____________?

• 1. Cytochrome P-450
• 2. Glutathione S-transferase
• 3. NADPH cytochrome P-450 reductase
• 4. Glucuronyl transferase

Question: Which acid is formed in the citric acid cycle ?

• 1. Oxaloacetic acid
• 2. Glutamic acid
• 3. Nitric acid
• 4. None of the above