Paid Test MCQs of PMDC 2023

1 DPT is given for the prevention of

A. Diphtheria, Tetanus

B. Diphtheria, Pertusis

C. Diphtheria, Tetanus & pertusis

D. None of these

Correct Answer: C

Explanation: DPT vaccine protects against Diphtheria, Tetanus, and Pertussis (whooping cough).

2 The live vaccines are available against the following viruses, except:

A. Influenza

B. Measles

C. Rabies

D. Polio

Correct Answer: C

Explanation: Rabies vaccines are typically inactivated, not live.

3 HIV can be transmitted through

A. Blood

B. s*men

C. Vaginal fluid

D. All of these

Correct Answer: D

Explanation: HIV is transmitted through blood, s*men, vaginal fluids, and other bodily fluids.

4 Animals are naturally immune to infection caused by

A. V. Cholera

B. S. typhosa

C. Both a and b

D. None of these

Correct Answer: D

Explanation: Animals can be infected by both V. cholerae and S. typhi under certain conditions.

5 The immunity acquired by inoculation of living organism of attenuated virulence is

A. Artificial active immunity

B. Passive immunity

C. Natural active immunity

D. Local immunity

Correct Answer: A

Explanation: Attenuated vaccines induce artificial active immunity by stimulating the immune system to respond.

6 Organisms can be attenuated for inoculation by

A. Growing it at a temperature higher than optimum

B. By passage through animals of different species which are less susceptible to it

C. By continuous cultivation in presence of antagonistic substance

D. Any one of the above

Correct Answer: D

Explanation: Attenuation can be achieved through various methods, including temperature changes, animal passage, or antagonistic substances.

7 Passive immunity lasts for the period of about

A. 10 days

B. 2 – 3 months

C. 10 years

D. None of the above

Correct Answer: B

Explanation: Passive immunity, such as from antibodies, typically lasts 2-3 months.

8 Following substance may act as an antigen

A. Egg albumin

B. RBC and serum

C. Vegetable protein

D. Snake venom

Correct Answer: D

Explanation: Snake venom contains proteins that can act as antigens.

9 H antigen are present in

A. Motile organ

B. Non-motile organ

C. Both a & b

D. None of these

Correct Answer: A

Explanation: H antigens are associated with flagella and found in motile organisms.

10 Antitoxin is used for ____ immunization.

A. Active

B. Passive

C. Both a and b

D. None of these

Correct Answer: B

Explanation: Antitoxins provide passive immunity by directly neutralizing toxins.

11 The agglutinin test is used for ____

A. Identification of isolated bacteria

B. Typing of bacterial species

C. Study of antigenic structure of bacteria

D. All of these

Correct Answer: D

Explanation: Agglutinin tests are versatile and used for identification, typing, and antigenic studies.

12 In blood transfusion it is essential that

A. Blood of hologous group should always be same

B. Direct matching between patient’s serum and donor’s corpuscles be performed

C. Both a & b

D. None of these

Correct Answer: B

Explanation: Cross-matching (direct matching) ensures compatibility to prevent transfusion reactions.