1.- Respiratory quotient (R.Q.) falls in all the following conditions except- a) Acidosis b) Febrile conditions c)Diabetes mellitus d) Starvation. 2- Choose the incorrect statement about BMR out of the following a) BMR is directly related to the surface area b) BMR is inversely proportional to the age c) BMR is increased in […]
Diet and Nutrition -Multiple-choice questions-set-1 Read More »
Q.1- Which of the following is not a hemoprotein? a) Tryptophan pyrrolase b) Tyrosinase c) Myoglobin d) Cytochrome P450 Q.2- Which of the following enzymes catalyzes a rate-limiting step in the haem biosynthesis pathway? a) ALA synthase b) ALA dehydratase c) PBG deaminase d) Coproporphrinogen oxidase Q.3- High lead levels can affect heme metabolism by
Haem synthesis and degradation-Multiple-choice questions Read More »
Q.1- A dietary deficiency of iodine would do which of the following? a) Directly affect the synthesis of Thyroglobulin b) Result in increased secretion of Thyroid stimulating hormone (TSH) c) Result in decreased production of Thyrotropin-releasing hormone d) Result in increased basal metabolic rate e) Raise the blood pressure and heart rate Q.2- Which of
Hormones-Multiple-choice questions Read More »
Q.1- Which of the following is an important glycogen storage site? A) Adipose tissue B) Cardiac muscle C) Spleen D) Kidney E) Liver. Q.2- Which of the following is an active form of glucose to initiate the process of glycogenesis? A) Adenosyl Glucose B) UDP glucose C) AMP Glucose D) Glucose-6-Phosphate E) Glucose-1-P Q.3- Choose
Metabolism of Glycogen, Glycogen storage diseases and Diabetes mellitus- Solved MCQs Read More »
1) Glucose breakdown in certain mammalian and bacterial cells can occur by mechanisms other than classic glycolysis. In most of these, glucose 6-phosphate is oxidized to 6- 6-phosphogluconate, which is then further metabolized by: a) an aldolase-type split to form glyceric acid and glyceraldehyde 3-phosphate. b) an aldolase-type split to form glycolic acid and erythrose
Multiple-choice questions- Pentose phosphate pathway Read More »
1) A 4-month-old boy is being evaluated for seizures, psychomotor retardation, and hypotonia. Workup reveals elevated serum levels of lactate, alanine, pyruvate, and keto acids. Based on the clinical presentation, pyruvate carboxylase activity is measured using fibroblasts from a skin biopsy and is found to be markedly decreased. This enzyme is normally used to directly
Gluconeogenesis- Multiple-choice questions Read More »
1) Which of these enzyme reactions is not irreversible in glycolysis? a) Hexokinase b) Glucokinase c) 3-phosphoglycerate kinase d) Phosphofructokinase-1 e) Pyruvate kinase 2) Which of the following statements is not true about aerobic glycolysis? a) The rate-limiting enzyme is phosphofructokinase-1 which converts fructose-6- phosphate to fructose-1,6-bisphosphate b) The pathway is activated allosterically by fructose-2,6-bisphosphate
Carbohydrate metabolism-Practice questions Read More »
Q.1- Which of the following is a common compound shared by the TCA and Urea cycles? a) α- Ketoglutarate b) Succinyl CoA c) Oxaloacetate d) Fumarate Q.2-Which of the following is a common nitrogen acceptor for all reactions involving transaminases? a) α- Ketoglutarate b) Pyruvate c) Oxaloacetate d) Acetoacetate Q.3- In a 55- year-old man
Amino Acid Metabolism-Multiple-choice questions (set-2) Read More »
Q.1- A 12 -year-old boy develops convulsions. After running an Electroencephalogram(EEG), a neurologist determines that the child has epilepsy. He is started on benzodiazepine, which promotes the activity of GABA. GABA is derived from Glutamate by which of the following reactions? a) Transamination b) Decarboxylation c) Deamination d) Hydroxylation e) Dehydrogenation Q.2- A couple of
Amino acid metabolism-Multiple-choice questions (set-1) Read More »
Q.1- Which statement best describes the ‘semi-conservative replication’ of DNA? A) In each replication cycle, only one of the two DNA strands is replicated B) In each replication cycle, one of the parental strands is conserved C) In each replication cycle, the daughter cells acquire either the parental stands or new stands D) Only half
Molecular Biology-Multiple-choice questions (set-2) Read More »
