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Antigen and Antibody

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Immunogen is

a)

an incomplete antigen

b)

a complete antigen

2.

Hapten is

a)

an incomplete antigen

b)

a complete antigen

3.

Epitope is

a)

antigen carrier molecule

b)

antigen determinant site

4.

Adjuvent

a)

decreases the immune response

b)

faciltates and increase the immune response

5.

Antibodies are

a)

immunoglobulins

b)

carbohydrates

c)

lipids

6.

Antibody structure is commonly

a)

Z shaped

b)

Y shaped

c)

W shaped

d)

T shaped

7.

Antibody structure contains

a)

One heavy and one light polypeptide chain

b)

One heavy and two light polypeptide chain

c)

Two heavy and one light polypeptide chain

d)

Two identical heavy and two light polypeptide chain

8.

Heavy chain and light chain in an antibody joint by

a)

phosphate di ester bonds

b)

Disulfide bonds

c)

peptide bond

9.

Antibodies divided into

a)

two class

b)

five class

c)

ten class

d)

three class

10.

Types of immunoglobulins are

a)

IgA, IgM, IgG, IgE and IgD

b)

IgA and IgM only

c)

IgD and IgG only

d)

IgA only

11.

Immunoglobulin G has further subclasses into

a)

IgG1 & IgG2

b)

IgG1, IgG2 & IgG3

c)

IgG1, IgG2, IgG3 & IgG4

d)

Igg1, IgG2, IgG3, IgG4 & IgG5

12.

IgM is

a)

Monomer

b)

Dimer

c)

Trimer

d)

Pentamer

13.

IgA is a

a)

monomer

b)

dimer

c)

trimer

d)

tetramer

14.

IgG is

a)

dimer

b)

monomer

c)

tetramer

d)

pentamer

15.

Major immunoglobulin in serum is

a)

IgG

b)

IgM

c)

IgA

d)

IgE

16.

Antibody which can pass through placenta from mother to foetus is

a)

IgE

b)

IgM

c)

IgD

d)

IgG

17.

IgM immunoglubulin percentage in serum is

a)

5-10%

b)

90%

c)

80%

d)

50%

18.

Immunolglobulin A present in

a)

two types

b)

three types

c)

fuve types

d)

four types

19.

Secretary IgA is a

a)

monomer

b)

dimer

c)

trimer

d)

pentamer

20.

Immunoglobulin E (IgE) percentage in serum is

a)

30 %

b)

20 %

c)

below 1%

d)

90 %