medical MCQs – Page 171

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

3401. LDH has following number oflsoenzymes________________?
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A. 2

B. 5

C. 3

D. 11

3402. Inhibition of glycolysis by O2 is known a_____________?
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A. Hill reaction

B. Muni effect

C. Gluconeogenesis

D. Pasteur effect

3403. An enzyme not involved in glycolysis is______________?
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A. Phosphoglycero mutase

B. Aldolase

C. Enolase

D. Glycerophosphate dehydrogenase

3404. Bile contains______________?
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A. Chenodeoxycholic acid

B. Lithocholic acid

C. Deoxycholic acid

D. All of the above

E. Cholic acid

3405. Neonatal lines are found in all of the following except____________?
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A. Enamel of primary incisors

B. Enamel of permanent canines

C. Enamel and dentin of permanent first molars

D. Dentin of permanent mandibular incisors

3406. The most abundant protein present in body is_____________?
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A. Albumin

B. Collagen

C. Globulin

D. Hemoglobin

3407. The most common enzyme deficiency in man is___________?
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A. Glucose 1,6 diphosphatase

B. Glucose 6 phosphate dehydrogenase

C. Hexokinase

D. Glucose 6 phosphatase

3408. Which of the following is non-keratinocyte ?
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A. Langerhans cell

B. Grey cell

C. RBC

D. Langhans cell

3409. Adrenaline acts on which enzyme in glycogenolysis ?
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A. Glucose diphosphatase

B. Phosphorylase

C. Hexokinase

D. Glucokinase

3410. Type II glycogen storage disorder is due to deficiency of______________?
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A. Alpha galactosidase

B. Muscle phosphorylase

C. Alpha -Glucosidase

D. Acid Lipase

3411. The enzymes that catalyses the same reaction but differ in physical properties are called as_____________?
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A. Pro enzyme

B. Co-enzyme

C. Holoenzyme

D. Iso enzyme

3412. Acetyl Co-A acts as a substrate for all the enzymes except______________?
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A. Fatty acid synthetase

B. Malonyl CoA synthetase

C. HMG-Co A synthase

D. Malic enzyme

3413. Enzymes are classified according to_________________?
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A. All of the above

B. Nature of the enzymes

C. Action of coenzymes

D. Action on substrate

3414. Cane sugar is____________?
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A. Maltose

B. Fructose

C. Surose

D. Glucose

3415. Which of the following factors are primarily contributory to the shedding of deciduous tooth ?
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A. Masticatory pressure

B. Vascular pressure

C. Hydrostatic

D. Oncotic pressure

3416. The function of merkel cells is_______________?
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A. Sensory function

B. Secretory function

C. Nutritive function

D. Neuro sensory

3417. An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as____________?
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A. DNA polymerase

B. RNA polymerase

C. Reverse transcriptase

D. Phospho kinase

3418. Frozen sections can be used for the demonstration of_____________?
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A. Fat

B. Mucin

C. Iron

D. Cartilage

3419. Most lipogenic____________?
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A. Glucose

B. Ribose

C. Galactose

D. Fructose

3420. Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?
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A. The hydrolysis of maltose yields glucose and fructose

B. The hydrolysis of sucrose yields only glucose

C. The hydrolysis of lactose yields glucose and galactose

D. All of the above statements are true

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