Biochemistry and clinical pathology mcqs (21-30)

21.Semi polar solvent is

A. Acetone

B. Benzene

C. Water

D. All the above

Ans. A

22.Which ions are involved in transmission of nerve impulse

A. Na+ and K+

B. Ca++ and Mg++

C. Ca++ and Na+

D. Na+ and Mg++

Ans. A

23.Which of the following elements required for contraction of muscles

A. Na+

B. Mg++

C. Ca++

D. Mn++

Ans. C

24.Biosynthesis of DNA and RNA takes place in

A. Lysosomes

B. Nucleus

C. Mitochondria

D. Cytoplasm

Ans. B

25.Aldosterone regulates

A. Blood glucose

B. Serum calcium

C. Urine concentration

D. Sodium absorption

Ans. C

26.Von Gierke's glycogen storage disease in due to defect of which enzyme

A. Glucosyl 4-6 transferase

B. Phosphofructo kinase

C. Glycogen phosphorylase

D. Glucose 6 phosphatase

Ans. D

27.Multiple forms of the same enzyme are called

A. Coenzymes

B. Apoenzymes

C. Isoenzymes

D. Holoenzymes

Ans. C

28.All are examples of metallo proteins except 

A. Xanthine

B. Oxidase

C. Lecithin 

D. Arginase

Ans. C

29.Serum acid phosphatase increases during 

A. Carcinoma 

B. Pancreatitis

C. Leukaemia

D. Hepatitis -B

Ans.A

30.Choline esterase is helpful in diagnosis of

A.Viral hepatitis

B.Myocardial infraction 

C.Cirrhosis

D.Hemolytic anemia

Ans.A