1) Which of the following foodstuffs has a shortage of Lysine? a) Cereals b) Pulses c) Milk d) Fish 2) What is the normal RDA for protein in a normal adult? a) 1G/Kg body weight b) 10 G/Kg body weight c) 100G/Kg body weight d) 50 G/Kg body weight 3) Which of the following nutrients […]
Diet and Nutrition-Multiple-choice questions-set-2 Read More »
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 »
1) A 30-year-old man has been fasting for religious reasons for several days. His brain has reduced its need for glucose by using which of the following substances as an alternative source of energy? A.Fatty acids B.Beta-hydroxybutyrate C.Glycerol D.Beta carotene E. Alanine 2) A 7-year-old girl is brought to the emergency department by her parents
Carbohydrate metabolism- Problem based MCQs 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) A 24-year-old woman presents with diarrhea, dysphagia, jaundice, and white transverse lines on the fingernails (Mee’s lines). The patient is diagnosed with Arsenic poisoning, which inhibits which of the following enzymes? a) Citrate synthase b) Isocitrate dehydrogenase c) α-Keto glutarate dehydrogenase complex d) Succinate dehydrogenase e) Malate dehydrogenase 2) A biochemistry graduate student isolated
TCA Cycle- Multiple-choice questions 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 »
