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Vaccine Related — UPSC CMS MCQs (Preventive & Social Medicine) · 30 questions

2020 P1 Q114

Q1. Which one of the following is the correct dose and route of administration of hepatitis B vaccine in children?

  1. 0.5 mL dose with 10 ug of antigen subcutaneous
  2. 0.5 mL dose with 10ug of antigen intramuscularly
  3. 1 mL dose with 5 ug of antigen subcutaneously
  4. 1 mL dose with 5 ug of antigen intramuscularly

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 35

2020 P1 Q115

Q2. Which one of the following statements is correct for approved acellular pertussis vaccine?

  1. It contains at least 3 IU of inactivated pertussis toxin
  2. It contains at least 3 pathogenic pertussis antigens
  3. Its efficacy is superior to the whole cell pertussis vaccine
  4. Presence of nonfimbrial protein is a mandatory component

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 36

2020 P2 Q92

Q3. Pentavalent vaccine provides protection against which of the following diseases?

  1. Diphtheria, Pertussis, Tuberculosis, Measles and Hepatitis B
  2. Diphtheria, Pertussis, Measles, Hepatitis B and Hib
  3. Diphtheria, Pertussis, Tetanus, Hepatitis B and Rubella
  4. Diphtheria, Pertussis, Tetanus, Hepatitis B and Hib

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 61

2020 P2 Q99

Q4. Which one of the following statements regarding sequential administration of Inactivated Polio Vaccine (IPV) and Oral Polio Vaccine (OPV) is NOT correct?

  1. It will be cost-effective in developing countries for Polio prevention
  2. The combined schedules of IPV and OPV appear to reduce or prevent Vaccine Associated Paralytic Polio (VAPP)
  3. Intestinal mucosal immunity is lost due to IPV administration
  4. IPV and OPV together may optimize both the humoral and mucosal immunogenicity of Polio vaccine

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 63

2021 P1 Q25

Q5. Which one of the following is the serological marker of immunization with Hepatitis B vaccine?

  1. HBsAg
  2. Anti-HBs
  3. HBcAg
  4. Anti-HBc

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 77

2021 P1 Q115

Q6. Fractional inactivated intradermal poliovirus vaccine is given at which ages in the National Immunization Schedule?

  1. 6 weeks and 10 weeks
  2. 6 weeks and 14 weeks
  3. 10 weeks and 14 weeks
  4. 6 weeks, 10 weeks and 14 weeks

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 103

2021 P2 Q95

Q7. Hepatitis B vaccine administered at birth is

  1. A pentavalent vaccine
  2. A combined vaccine of inactivated Polio and Hepatitis B
  3. A monovalent vaccine of Hepatitis B
  4. A fixed combination vaccine of Hib, Hepatitis A and Hepatitis B

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 134

2021 P2 Q118

Q8. Which of the following vaccines are given through the intramuscular route? 1. BCG vaccine 2. Hepatitis B vaccine 3. Pentavalent vaccine 4. Inactivated Polio vaccine Select the correct answer using the code below:

  1. 2, 3 and 4
  2. 1, 2 and 3
  3. 1, 2 and 4
  4. 1, 3 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 139

2021 P2 Q119

Q9. Covaxin is a/an

  1. Live attenuated vaccine
  2. Inactivated whole virus vaccine
  3. Protein subunit vaccine
  4. Nucleic acid vaccine

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 139

2022 P1 Q22

Q10. Vertical transmission of hepatitis B can be prevented by which of the following interventions? 1.Passive immunization of infant at birth 2.Active immunization of infant at birth 3.Antiviral therapy in the third trimester for mother with HBV-DNA level of > 200,000 IU/mL Select the correct answer using the code below:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2, and 3

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 146

2022 P1 Q109

Q11. Which one of the following statements is correct about intra-dermal fractional Inactivated Polio Vaccine (fIPV) with respect to intramuscular (I/M) IPV?

  1. fIPV is one-tenth of the I/M dose of IPV
  2. fIPV is one-fifth of the I/M dose of IPV
  3. fIPV is half of the I/M dose of IPV
  4. fIPV is three-fourth of the I/M dose of IPV

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 169

2022 P2 Q93

Q12. What is the shelf life of Dukoral (wc-rBS) oral vaccine used for cholera prevention, when stored at a temperature of 2°C to 8°C?

  1. 5 years
  2. 3 years
  3. 1 year
  4. 6 months

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 201

2022 P2 Q109

Q13. Which of the following ‘rare vaccine reactions’ are known to occur with the BCG vaccine? 1. Suppurative lymphadenitis 2. Guillain-Barre syndrome 3. Osteitis 4. Disseminated infection Select the correct answer using the code:

  1. 1, 2 and 3
  2. 1, 2 and 4
  3. 1, 3 and 4
  4. 2, 3 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 204

2023 P1 Q107

Q14. Vaccine-associated poliomyelitis is chiefly seen with which of the following strains of oral poliovirus?

  1. OPV 1 only
  2. OPV 2
  3. OPV 3 only
  4. Both OPV 1 and OPV 3

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 236

2023 P1 Q116

Q15. The event related to vaccination which can be a contraindication for the next vaccination of a similar/identical type is •

  1. syncope following MMR vaccine
  2. encephalopathy following DPT vaccine
  3. abscess at injection site after DPT vaccine
  4. gastroenteritis following MMR vaccine

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 238

2023 P1 Q117

Q16. Which of the following events could be caused or precipitated by an active component of a vaccine? Anaphylaxis after measles vaccine Encephalopathy after DPT vaccine Adenitis following BCG vaccine Gastroenteritis following MMR vaccine Select the correct answer using the code below.

  1. 1, 2 and 3
  2. 1, 2 and 4
  3. 1, 3 and 4
  4. 2, 3 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 238

2023 P2 Q45

Q17. Which of the following vaccines can be given to a pregnant woman? (1) COVID vaccine (2) Measles, Mumps, Rubella vaccine (3) Hepatitis B vaccine (4) Rabies vaccine Options:

  1. 1, 2 and 3
  2. 1, 3 and 4
  3. 2, 3 and 4
  4. 1, 2 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 253

2023 P2 Q83

Q18. Regarding active immunization against typhoid fever, consider the following statements:

  1. The typhoid polysaccharide vaccine is injectable and can be given subcutaneously or intramuscularly
  2. The typhoid polysaccharide vaccine is required to be given in two doses and administered on 0 and 7th day
  3. The typhoid oral Ty21a vaccine requires to be given in three doses on 0, 3rd and 7th days
  4. Protective immunity with typhoid vaccines is achieved immediately after the vaccine is received. Which of the above statements is/are correct?

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 264

2023 P2 Q84

Q19. Which of the following statements are correct regarding the Mantoux test for tuberculosis?

  1. It entails injecting 1 TU (Tuberculin Unit) of PPD (Purified Protein Derivative) in 0.1 mL intradermally
  2. The injection should be given with the needle bevel facing downward
  3. When placed correctly, the injection should produce a pale wheal of the skin, 1 – 2 mm in diameter
  4. The injection should be given with a tuberculin syringe. Which of the above statements is/are correct?

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 264

2023 P2 Q116

Q20. Consider the following vaccines: 1. BCG Vaccine 2. Hepatitis B Vaccine 3. Inactivated Polio Vaccine (IPV) 4. Oral Polio Vaccine (OPV) Which of the following is the correct order as per their sensitivity to heat (most sensitive to least sensitive) given in NIS?

  1. 4-3-2-1
  2. 2-1-3-4
  3. 2-1-4-3
  4. 4-3-1-2

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 273

2023 P2 Q119

Q21. Which among the following vaccines best represent interventions that focus on cancer prevention too? Hepatitis A vaccine Hepatitis B vaccine Hemophilus influenzae B vaccine Human papilloma virus vaccine Choose the correct answer using the code:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 2 and 4 only
  4. 1 and 4 only

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 274

2024 P1 Q68

Q22. Which of the following are correct with regard to BCG vaccination? 1. It is a live-attenuated vaccine. 2. It is administered by intramuscular injection. 3. It is derived from Mycobacterium bovis. 4. It is highly immunogenic. Select the answer using the code given below:

  1. 1, 2 and 3
  2. 2, 3 and 4
  3. 1, 3 and 4
  4. 1, 2 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 299

2024 P1 Q69

Q23. Which of the following immunizations are recommended for persons infected with HIV? 1. Hepatitis B vaccine 2. Influenza virus vaccine 3. Pneumococcal vaccine Select the correct answer using the code below:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 300

2024 P1 Q119

Q24. Consider the following statements: 1. Hepatitis B vaccine has reduced efficacy, if administered intramuscularly. 2. The maximum time allowed between reconstitution of MMR vaccine and use is 30 minutes. 3. Maternal antibodies do not interfere with cellular immune response to BCG vaccine. 4. DTwP is preferred to DTaP for primary immunization in most children. Which of the statements given above are correct?

  1. 1 and 2
  2. 1 and 3
  3. 2 and 4
  4. 3 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 317

2024 P1 Q120

Q25. Rotavirus vaccination is avoided during an episode of diarrhoea because:

  1. It might compromise uptake of vaccine
  2. It could trigger an episode of intussusception
  3. Rotavirus vaccine is a live vaccine and hence may cause rotavirus diarrhoea and worsen the diarrheal episode
  4. Vomiting is a significant adverse effect of Rotavirus vaccine

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 318

2024 P2 Q96

Q26. In countries with low levels of measles transmission, what should be the appropriate age for starting immunization with measles-containing vaccine (MCV)?

  1. 6 months
  2. 9 months
  3. 12 months
  4. 15–18 months

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 355

2025 P1 Q98

Q27. Which of the following statements are correct regarding vaccination routes for children ? I. Hepatitis B vaccine given in deltoid region has reduced efficacy II. Two vaccines may be given in the same thigh, but separated by 1 inch III. Separate sites are used when administering a vaccine and an immunoglobulin IV. Two intramuscular vaccines may be given on the same day but in separate limbs Select the correct answer using the code given below :

  1. III only
  2. I and III
  3. II and III
  4. I and IV Final

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 406

2025 P1 Q111

Q28. Which of the following statements are correct about oral rotavirus vaccines ? I. The storage should be at 2–8°C II. The vaccine should be used within 2 hours of reconstitution or opening III. Past history of intussusception is a contraindication IV. The vaccine can be given if the baby has ongoing diarrhoea Select the answer using the code given below :

  1. I and II
  2. III and IV
  3. I and III
  4. II and IV

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 410

2021 P2 Q113

Q29. Consider the following statements: Statement-1: In the National Immunization Program, BCG vaccine is given only on the left upper arm Statement-2: This is done to maintain uniformity and for helping surveyors in verifying receipt of the vaccine Which one of the following is correct in respect of the above Statements?

  1. Both Statement-1 and Statement-2 are correct and Statement-2 is the correct
  2. Both Statement-1 and Statement-2 are correct and Statement-2 is not the correct
  3. Statement-1 is true but Statement-2 is false
  4. Statement-1 is false but Statement-2 is true

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 138

2022 P2 Q87

Q30. As a part of the Universal Immunization Programme in India, the Inactivated Polio Vaccine (IPV) given as fractional IPV by intradermal route is administered at what age/ages? 1. Birth 2. 6 weeks 3. 14 weeks 4. 9 months Select the correct answer using the code:

  1. 1
  2. 2 only
  3. 2 and 3
  4. 2 and 4

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 199

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