16 - biochemistry mcqs - 132 to 142

132) Vitamin useful in the treatment of Hartnup’s disease is

a. Biotin

b. Niacin

c. Folic Acid

d. Thiamine

Answer : b) Niacin

Reference: Harrison 15^th Edition Chapter 353

133) Ketogenic amino acid

a. Leucine

b. Valine

c. Alanine

d. Tryptophan

Answer : Leucine

Reference: harper 24^th Edition Page 310

134) Maple Syrup Urine Disease is due to defect in the metabolism of

a. Unbranched aminoacid

b. Phenyl alanine

c. Branched Chain Amino Acid

d. Tyrosine

Answer : c) Branched Chain Amino Acid

Reference: Chaterjee 6^th Edition Page 456

135) Why muscle glycogen is not useful in elevation of Glucose level of blood because muscle does not contain

a. Glucose – 6 – phosphatase

b. Phosphorylase

c. Cyclic AMP

d. Protein Kinase

Answer : a) Glucose – 6 – phosphatase

Reference: Chaterjee 6^th Edition Page 291

136) Irreversible enzyme step all except –

a. phosphofructokinase

b. Phosphohexose isomerase

c. hexokinase

d. Pyruvate kinase

Answer : B) Phosphohexose isomerase

Reference: Chaterjee 6^th Edition Page 306

137) NADPH not produced for fatty acid synthesis from

a. HMP shunt

b. malic enzyme

c. lactic dehydrogenase

d. isocitrate dehydrogenase

Answer : c) lactic dehydrogenase

Reference: Chaterjee 6^th Edition Page 355

138) The main role of Vitamin K is

a. Carboxylation

b. Formatiuon of active succinate

c. Heme systhessis

d. Synthesis of Fatty acid

Answer : a) Carboxylation

Reference: Chaterjee 6^th Edition Page 155

139) Enterohepatic circulation of bile salt is affected and that leads to

a. Vitamin K deficiency

b. Hypertension

c. Hemolytic anemia

d. Diabetes Insipidus

Answer : a) Hemolytic Anemia

Reference: Chaterjee 6^th Edition Page 155

140) Bile salts is produced from

a. Cholesterol

b. Amino acids

c. Glycogen

d. Lecithin

Answer : a) Cholesterol

Reference: Ganong 22^nd Edition Page 501

141) Vitamin K deficiency occurs in

a. Obstructive Jaundice

b. Hemolytic Jaundice

c. Prehepatic Jaundice

d. Secondaries liver

Answer : a) Obstructive Jaundice

Reference: Chaterjee 6^th Edition Page 155

142) Antiracchitic Vitamin D is activated in the following organ

a. Muscle

b. Lungs

c. Kidney

d. Intestine

Answer : c) Kidney

Reference: Ganong 22^nd Edition Page 388