Explore topic-wise MCQs in Medical Subjects .

This section includes 436 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.

301.

Golgi bodies function are______________?

A. Protein lipid synthesis
B. Protein synthesis
C. Sorting of glycoproteins
D. None of the above
Answer» D. None of the above
302.

Glycogen synthesis is increased by_____________?

A. Cortisone
B. Insulin
C. GH
D. Epinephrine
Answer» C. GH
303.

Glycogen breakdown leads to formation of______________?

A. Glucose
B. Lactic acid
C. Glucose & Lactic acid
D. Glycoprotein
Answer» D. Glycoprotein
304.

Glycine is present in____________?

A. Hemoglobin
B. Glutathione
C. Purines
D. Creatine
E. All of the above
Answer» F.
305.

Glycemic index of a starchy food is a measure of its________________?

A. Energy
B. Utility
C. Collectivity
D. None of the above
Answer» E.
306.

Glutamine replaced by valine in sckle cell anaemia is characterized________________?

A. Non Sense mutation of beta chain
B. Missense mutation of beta chain
C. Degradation of beta chain
D. Deletion of beta chain
Answer» C. Degradation of beta chain
307.

Glucose can be synthesized from all except_____________?

A. Amino acids
B. Glycerol
C. Acetoacetate
D. Lactic acid
Answer» D. Lactic acid
308.

Glucose 6 phosphatase deficiency is seen in______________?

A. Pomper’s disease
B. Von Gierke’s disease
C. McArdles syndrome
D. Downs syndrome
Answer» C. McArdles syndrome
309.

Gluconeogenesis occurs in the liver and _______?

A. Kidney
B. Muscle
C. Heart
D. Fat
Answer» B. Muscle
310.

Genes are_____________?

A. Ribonucleic acid
B. Deoxy ribonucleic acid
C. Lipoproteins
D. Chromo proteins
Answer» C. Lipoproteins
311.

Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?

A. Normal metabolism
B. Oxygen toxicity
C. Reperfusion after ischemic injury
D. All of the above
Answer» D. All of the above
312.

Galactosemia commonly is due to deficiency of_____________?

A. Galactose 1 phosphatase uridyl transferase
B. Galactose 1 phosphatase
C. Glucose 1 phosphatase
D. Glucose 6 phosphatase
Answer» B. Galactose 1 phosphatase
313.

FSH, LH, TSH acts through_________________?

A. Cyclic AMP
B. Cyclic GMP
C. Adenosine cyclate
D. Calcium release
Answer» B. Cyclic GMP
314.

Fructose intolerance is to_____________?

A. Fructose only
B. Fructose and glucose
C. Sucrose only
D. Fructose and sucrose
Answer» E.
315.

Free radicals are chemical species which have______________?

A. Single unpaired electron in an outer orbit
B. Single paired electron in an outer orbit
C. Double unpaired electron in an outer orbit
D. Double paired electron in an outer orbit
Answer» B. Single paired electron in an outer orbit
316.

Free radicals can be inactivated by the following enzymes EXCEPT__________________?

A. Glutathione peroxidase
B. Catalase
C. Superoxide dismutase
D. Myeloperoxidase
Answer» E.
317.

Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?

A. MM fraction
B. MB fraction
C. BB fraction
D. Both MM and BB fraction
Answer» C. BB fraction
318.

Following is non-essential amino acid_______________?

A. Phenylalanine
B. Proline
C. Tryptophan
D. Threonine
Answer» C. Tryptophan
319.

Following are the essential amino acid______________?

A. Phenylalanine, Tryptophan lysine
B. Phenylalanine, Arginine Methinonine
C. Phenylalanine, Valine, Glycine
D. Histidine, Glutamine, Valine
Answer» B. Phenylalanine, Arginine Methinonine
320.

FIGLU excretion test is to estimate deficiency of_______________?

A. Vitamin K
B. Vitamin B6
C. Vitamin folic acid
D. Niacin
Answer» D. Niacin
321.

Ferritin – an inactive form of iron is stored in_____________?

A. Gut
B. Spleen
C. Liver
D. All of the above
Answer» D. All of the above
322.

Fatty aids help in synthesis of all except____________?

A. Glucose
B. Cholesterol
C. Ketone bodies
D. Fat
Answer» B. Cholesterol
323.

Fatty acid oxidation occurs in______________?

A. Cytoplasm
B. Microsomes
C. Mitochondria
D. All of the above
Answer» D. All of the above
324.

Fat provides ______% of body’s calories?

A. 40%
B. 30%
C. 50%
D. 75%
Answer» C. 50%
325.

Fast soluble vitamins are_____________?

A. A, B , D, K
B. A, D. E, K
C. A, B, E, K
D. A, C, E, K
Answer» C. A, B, E, K
326.

False statement about haemoglobin structure________________?

A. Hb has 2 polypeptide chains
B. Iron is present in ferrous state
C. Hb structurally similar to myoglobin
D. Ferrous ions are in porphyrin rings
Answer» B. Iron is present in ferrous state
327.

Examples of monounsaturted fatty acids are______________?

A. Oleic acid
B. Arachitlonic acid
C. Linolenic acid
D. Palmitic acid
Answer» B. Arachitlonic acid
328.

Enzymes stored in muscle is________________?

A. Alkaline phosphatase
B. SGOT
C. SGPT
D. CPK
Answer» E.
329.

Enzymes involved in degradation of epinephrine_____________?

A. Cholinesterase
B. Anticholinesterases
C. Catechol 0-transferase
D. Oxidases
Answer» D. Oxidases
330.

Enzymes increase reaction rates by______________?

A. Altering the free energy of the action
B. Inhibiting the backward reaction
C. Enhancing the forward reaction
D. Decreasing the energy of activation
Answer» E.
331.

Enzymes help by____________?

A. Lowering the activation energy
B. Increasing the substrate concentration
C. Decreasing the surface tension
D. Increasing the activation energy
Answer» B. Increasing the substrate concentration
332.

Enzymes concerned with the citric acid cycle are found in______________?

A. Nucleus
B. Mitochondria
C. Ribosomes
D. Non-particulate cytoplasm
Answer» C. Ribosomes
333.

Enzymes concerned with the citric acid cycle are found in the____________?

A. Nucleus
B. Ribosomes
C. Mitochondria
D. Nonparticulate cytoplasm
Answer» D. Nonparticulate cytoplasm
334.

Enzymes are classified according to_________________?

A. Action on substrate
B. Action of coenzymes
C. Nature of the enzymes
D. All of the above
Answer» B. Action of coenzymes
335.

Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?

A. Oxidases
B. Peptidases
C. Transferases
D. LIpases
Answer» D. LIpases
336.

Enzyme regulating the conversion of ethanol to acetaldehyde________________?

A. Alcohol dehydrogenase
B. Acetaldehyde dehydrogenase
C. Catalase
D. Enolase
Answer» B. Acetaldehyde dehydrogenase
337.

Enzyme + coenzyme constitutes_____________?

A. Apoenzyme
B. Proenzyme
C. Protoenzyme
D. Holoenzyme
Answer» E.
338.

Endogenous triglycerides in plasma is maximally bound to________________?

A. Chylomicrons
B. LDL
C. VLDL
D. HDL
Answer» D. HDL
339.

End product of purine metabolism is______________?

A. Creatinine
B. Uric acid
C. Xanthine
D. Phosphates
Answer» C. Xanthine
340.

Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?

A. Deficiency of glutamic acid
B. Deficiency of oxaloacetic acid
C. Liver disease
D. All of the above
Answer» D. All of the above
341.

During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________?

A. Oxidase
B. Hydrolase
C. Peroxidase
D. Dehydrogenase
Answer» B. Hydrolase
342.

During phagocytosis the metabolic process called respiratory burst involves activation of_____________?

A. Oxidase
B. Hydrolase
C. Peroxidase
D. Dehydrogenase
Answer» B. Hydrolase
343.

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. Dihydroxy acetone phosphate
Answer» E.
344.

DNA double helix is bound by_____________?

A. Covalent bond
B. Hydrogen bond
C. Disulfide linkage
D. Vander wall forces
Answer» C. Disulfide linkage
345.

Digestion of proteins is initiated by________________?

A. Amylase
B. Sucrase
C. Chymotrypsin
D. Pepsin
Answer» E.
346.

Dietary fibre is rich in_____________?

A. Starch
B. Cellulose
C. Collagen
D. Inulin
Answer» C. Collagen
347.

Detoxification of drugs is controlled by_____________?

A. Cytochrome
B. Cytochrome P450
C. Cytochrome C
D. Cytochrome A
Answer» C. Cytochrome C
348.

Detoxification or protective synthesis occurs by____________?

A. Oxidation
B. Reduction
C. Conjugation
D. Any of the above
Answer» E.
349.

Denaturation of double stranded DNA involves_______________?

A. It gets broken down to nucleotides
B. It becomes single stranded reversibly
C. It becomes single stranded irreversibly
D. It becomes double stranded irreversibly
Answer» C. It becomes single stranded irreversibly
350.

Dehydrogenase used as coenzymes all of the following, except________________?

A. FMN
B. FAD
C. NADP+
D. Ferro protoporphyrin
Answer» E.