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Home » Medical Science » Aptitude Test - 12
Hassan
1.Fructose intolerance is to_____________?
A. Fructose only
B. Fructose and glucose
C. Sucrose only
D. Fructose only
2.The monsaccharide glucose is best described by which one of the following statements ?
A. It usually exists in the furanose form
B. It is a ketose
C. It possessesan anomeric C-2 carbon atom
D. It usually exists in the furanose form
3.Number of ATP molecules generated in the conversion of glycogen of lactate is_____________?
A. 2
B. 36
C. 38
D. 2
4.NADPH is generated by the action of____________?
A. Glucose 6 phosphate dehydrogenase
B. Glucose 1 phosphate dehydrogenase
C. Glucose 1,6 diphosphate dehydrogenase
D. Glucose 6 phosphate dehydrogenase
5.HMP shunt is of great importance in cellular metabolism because its produces_____________?
A. ATP
B. ADP
C. Acetyl CoA
D. ATP
6.Glucose 6 phosphatase deficiency is seen in______________?
A. Pomper’s disease
B. Von Gierke’s disease
C. McArdles syndrome
D. Pomper’s disease
7.Sites where HMP shunts can occur include_______________?
A. Liver
B. WBC
C. Lactating mammary gland
D. Liver
8.Step in HMP pathway requiring TPP_____________?
A. G6 PD
B. 6 phosphogluconate dehydrogenase
C. Transketolase
D. G6 PD
9.1 molelcule of glucose forms _______ molecules of pyruvate?
A. 1
B. 2
C. 3
D. 1
10.The main pathways of metabolism in brain are______________?
A. Glycolysis and citric acid cycle
B. Glycogenolysis and Gluconeogenesis
C. Embden-Meyerhof Pathway and H.M.P shunt
D. Glycolysis and citric acid cycle
11.In glycolysis ATP is produced by the following enzyme______________?
A. Hexokinase
B. Phosphoglycerate kinase
C. Enolase
D. Hexokinase
12.Inhibition of glycolysis by O2 is known a_____________?
A. Muni effect
B. Pasteur effect
C. Hill reaction
D. Muni effect
13.Which one of the following is the correct sequential order in which the given enzymes of kreb’s cycle are formed after a molecule of acetyl CoA______________?
A. Citrate, Oxalocetate, Ketoglutarate
B. Ketoglutarate, Oxalocetate, Citrate
C. Citrate, Ketoglutarate, Oxalocetate
D. Citrate, Oxalocetate, Ketoglutarate
14.Kreb’s cycle does not occur in______________?
A. Muscle
B. RBC
C. Heart
D. Muscle
15.In TCA cycle or tricarboxylic acid cycle, which is first formed________________?
A. Isocitrate
B. Citrate
C. Succinate
D. Isocitrate
16.Renal threshold for glucose is______________?
A. 80 mg%
B. 100 mg%
C. 180 mg/ dl
D. 80 mg%
17.The key enzyme of gluconeogenesis is____?
A. Pyruvate carboxylase
B. Fructose 1,6 disphosphatase
C. Glucose 6 phosphatase
D. Pyruvate carboxylase
18.Which one of the following is a monosaccharide____?
A. Maltose
B. Sucrose
C. Fructose
D. Maltose
19.Which of the following is abnormal constituent of urine_____?
A. glucose
B. Creatine
C. Urea
D. glucose
20.The conversion of glucose 6-P to fructose 6-P is an example of which of the following reactions____?
A. Phosphate transfer
B. Isomerisation
C. Dehydration
D. Phosphate transfer
21.Cane sugar is______?
A. Glucose
B. Surose
C. Fructose
D. Glucose
22.In TCA, substrate level phospherylation takes place in______?
A. Alpha ketoglutrate to succinyl CoA
B. Succinyl CoA to Succinate
C. Succinate to fumarate
D. Alpha ketoglutrate to succinyl CoA
23.Enzymes concerned with the citric acid cycle are found in the______?
A. Nucleus
B. Ribosomes
C. Mitochondria
D. Nucleus
24.All of the following are substrates for gluconeogenesis except______?
A. Alanine
B. Oleic acid
C. Glycerol
D. Alanine
25.During conversion of glycerol to pyruvic acid, the first glycolytic intermediate to form is___?
A. 2- phospho glyceric acid
B. 3- phospho glyceric acid
C. 3- phospho glyceralehyde
D. 2- phospho glyceric acid
26.The first product of glycogenolysis is_______?
A. Glucose 6 phosphatase
B. Glucose 1,6 diphosphatase
C. Glucose 1- phosphatase
D. Glucose 6 phosphatase
27.Glycogen breakdown leads to formation of_____?
A. Glucose
B. Lactic acid
C. Glucose & Lactic acid
D. Glucose
28.Which is not a oligosaccharide sugar?
A. Galactose
B. Lactose
C. Maltose
D. Galactose
29.One molecule of acetyl Co-A gives rise to ______ ATP molecules?
A. 2
B. 8
C. 12
D. 2
30.All these reactions take place inside the mitochondria except______?
A. EMP pathway
B. Krebs cylce
C. Urea cycle
D. EMP pathway
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