biochemistry MCQs – Page 8

Practise focused biochemistry questions with marked answers for exam preparation and subject revision.

biochemistry Mcqs
141. Blood glucose level cannot be augmented by mobilization of muscle glycogen due to lack of_____________?
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A. G-6-P dehydrogenase

B. Glucokinase

C. G-6-P phydrogenase

D. Aldolase

142. What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?
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A. TTP

B. ATP

C. GTP

D. ITP

143. Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?
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A. Deficiency of glutamic acid

B. Liver disease

C. Deficiency of oxaloacetic acid

D. All of the above

144. Bilirubin is produced from________________?
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A. Haemoglobin

B. Gall bladder

C. Myoglobin

D. A & B
145. Which of the following is inclusion of cytoplasm ?
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A. Endoplasmic reticulum

B. Golgi body

C. Ribosome

D. Glycogen
146. The most abundant protein present in body is_____________?
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A. Albumin

B. Collagen

C. Globulin

D. Hemoglobin

147. Which of the following combination is correct ?
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A. Thiamine Acyl CoA

B. All of the above

C. Biotin-CO2

D. ATP-Hydrogen

148. Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?
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A. Lebers neuropathy

B. Zellwegers syndrome

C. Gauchers disease

D. Epidermolysis bullosa

149. Type II glycogen storage disorder is due to deficiency of______________?
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A. Alpha galactosidase

B. Alpha -Glucosidase

C. Muscle phosphorylase

D. Acid Lipase

150. The uptake of glucose by the liver increase following a carbohydrate meal because____________?
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A. GLUT-2 stimulated by insulin

B. Glucokinase has a low Km for glucose

C. There is increase in phosphorylation of glucose by glucokinase

D. Hexokinase in liver has a high affinity for glucose

151. Phosphofructokinase is the key enzyme of______________?
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A. Gluconeogenesis

B. Glycolysis

C. Beta oxidation

D. TCA cycle

152. A material that speeds up a chemical reaction without chemically becoming involved is called_____________?
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A. A base

B. Thermoplastic

C. A catalyst

D. A solvent

153. The compound that can give rise to glucose by gluconeogenesis is_____________?
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A. Palmitic acid

B. Lactate

C. Fructose

D. Acetyl CoA

154. Which of the following is not a second messenger ?
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A. c GMP

B. Phosphatidyl glycerol

C. Phosphatidyl inosital

D. c AMP

155. Major contribution towards gluconeogenesis is by____________?
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A. Alanine

B. Glycerol

C. Ketones

D. Lactate
156. Cane sugar is____________?
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A. Surose

B. Glucose

C. Fructose

D. Maltose

157. Kinase requires_______________?
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A. Inorganic phosphate

B. Mg++

C. Cu++

D. MN++

158. Triglycerides in serum are transported by_______________?
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A. Chylomicrons

B. VLDL

C. LDL

D. HDL

159. Urea is formed in_____________?
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A. Liver

B. Brain

C. Kidney

D. Intestine

160. Acetyl CoA is produced from which fuel sources_____________?
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A. Amino acids

B. Carbohydrate

C. All of the above

D. Lipid