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Vaccines and Immunization MCQs with Answers

Vaccines and Immunization MCQs

Welcome to the Vaccines and Immunization MCQs with Answers. In this post, we are sharing Vaccines and Immunization Multiple Choice Questions and Answers in Everyday Science section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Vaccines and Immunization online MCQs Test.

Which type of immunity is provided by vaccines?
A) Active immunity
B) Passive immunity
C) Innate immunity
D) Natural immunity

Answer
A) Active immunity

What is the primary purpose of a vaccine?
A) To stimulate the immune system to produce antibodies
B) To directly kill pathogens
C) To provide immediate protection against disease
D) To improve digestion

Answer
A) To stimulate the immune system to produce antibodies

Which of the following is a type of vaccine that uses a weakened form of the virus?
A) Live attenuated vaccine
B) Inactivated vaccine
C) Subunit vaccine
D) Toxoid vaccine

Answer
A) Live attenuated vaccine

What is an example of an inactivated vaccine?
A) Polio vaccine
B) Measles vaccine
C) Chickenpox vaccine
D) Smallpox vaccine

Answer
A) Polio vaccine

Which disease was the first to be eradicated globally through vaccination?
A) Smallpox
B) Polio
C) Measles
D) Tuberculosis

Answer
A) Smallpox

Which vaccine is commonly given to prevent tuberculosis?
A) BCG vaccine
B) DTP vaccine
C) MMR vaccine
D) Hepatitis B vaccine

Answer
A) BCG vaccine

What does the MMR vaccine protect against?
A) Measles, mumps, and rubella
B) Malaria, mumps, and rotavirus
C) Measles, meningitis, and rabies
D) Mumps, malaria, and rubella

Answer
A) Measles, mumps, and rubella

What is the main component of a subunit vaccine?
A) Specific pieces of the pathogen
B) The entire live pathogen
C) A virus that has been completely killed
D) A toxin produced by the pathogen

Answer
A) Specific pieces of the pathogen

Which type of immunity occurs when a large portion of the population is immune to a disease, indirectly protecting non-immune individuals?
A) Herd immunity
B) Individual immunity
C) Innate immunity
D) Antibody immunity

Answer
A) Herd immunity

Which of the following diseases can be prevented by vaccination?
A) Tetanus
B) Diabetes
C) Hypertension
D) Arthritis

Answer
A) Tetanus

What is the purpose of a booster dose of a vaccine?
A) To maintain immunity over time
B) To start the immune response
C) To treat an active infection
D) To delay the immune response

Answer
A) To maintain immunity over time

Which vaccine is typically administered at birth to prevent liver disease?
A) Hepatitis B vaccine
B) Rotavirus vaccine
C) HPV vaccine
D) Influenza vaccine

Answer
A) Hepatitis B vaccine

What is the role of an adjuvant in a vaccine?
A) To enhance the body’s immune response to the vaccine
B) To weaken the virus in the vaccine
C) To act as an antibiotic
D) To prevent side effects

Answer
A) To enhance the body’s immune response to the vaccine

Which of the following vaccines is recommended annually?
A) Influenza vaccine
B) Hepatitis B vaccine
C) Measles vaccine
D) Tetanus vaccine

Answer
A) Influenza vaccine

Which type of vaccine contains toxins produced by the pathogen?
A) Toxoid vaccine
B) Live attenuated vaccine
C) Inactivated vaccine
D) mRNA vaccine

Answer
A) Toxoid vaccine

Which of the following is a common side effect of vaccines?
A) Soreness at the injection site
B) Heart attack
C) Chronic pain
D) Cancer

Answer
A) Soreness at the injection site

Which of the following vaccines is given to prevent cervical cancer?
A) HPV vaccine
B) DTP vaccine
C) Hepatitis B vaccine
D) Polio vaccine

Answer
A) HPV vaccine

Which term describes a vaccine that uses mRNA to instruct cells to produce an immune response?
A) mRNA vaccine
B) Toxoid vaccine
C) Inactivated vaccine
D) Subunit vaccine

Answer
A) mRNA vaccine

Which disease is prevented by the DTP vaccine?
A) Diphtheria, tetanus, and pertussis
B) Diabetes, tuberculosis, and pneumonia
C) Dengue, typhoid, and polio
D) Dysentery, tetanus, and plague

Answer
A) Diphtheria, tetanus, and pertussis

Which of the following vaccines is given orally?
A) Rotavirus vaccine
B) Measles vaccine
C) Influenza vaccine
D) BCG vaccine

Answer
A) Rotavirus vaccine

Which of the following is an example of passive immunity?
A) Receiving antibodies through breast milk
B) Getting vaccinated
C) Producing antibodies after infection
D) Developing a fever in response to infection

Answer
A) Receiving antibodies through breast milk

Which type of vaccine was developed to prevent COVID-19?
A) mRNA vaccine
B) Toxoid vaccine
C) Live attenuated vaccine
D) Subunit vaccine

Answer
A) mRNA vaccine

Which type of vaccine uses a killed version of the pathogen?
A) Inactivated vaccine
B) Live attenuated vaccine
C) Toxoid vaccine
D) Subunit vaccine

Answer
A) Inactivated vaccine

What is the primary immune system component that responds to vaccines?
A) Antibodies
B) Platelets
C) Red blood cells
D) Hormones

Answer
A) Antibodies

Which of the following diseases has been targeted for global eradication after smallpox?
A) Polio
B) Measles
C) Tuberculosis
D) Influenza

Answer
A) Polio

Which organization plays a leading role in global vaccination efforts?
A) World Health Organization (WHO)
B) International Monetary Fund (IMF)
C) United Nations Educational, Scientific and Cultural Organization (UNESCO)
D) Food and Agriculture Organization (FAO)

Answer
A) World Health Organization (WHO)

Which vaccine is recommended for infants to prevent a severe diarrheal disease?
A) Rotavirus vaccine
B) HPV vaccine
C) Influenza vaccine
D) Measles vaccine

Answer
A) Rotavirus vaccine

Which of the following is a feature of live attenuated vaccines?
A) They use a weakened form of the pathogen
B) They contain no part of the pathogen
C) They are injected directly into the bloodstream
D) They cause immediate immunity

Answer
A) They use a weakened form of the pathogen

Which of the following vaccines helps prevent liver infection caused by a virus?
A) Hepatitis B vaccine
B) Tetanus vaccine
C) DTP vaccine
D) MMR vaccine

Answer
A) Hepatitis B vaccine

What is the function of a toxoid vaccine?
A) It neutralizes the toxins produced by bacteria
B) It weakens viruses directly
C) It attacks fungal infections
D) It strengthens white blood cells

Answer
A) It neutralizes the toxins produced by bacteria

Which of the following is NOT an example of an inactivated vaccine?
A) Measles vaccine
B) Hepatitis A vaccine
C) Rabies vaccine
D) Influenza vaccine

Answer
A) Measles vaccine

What is the primary benefit of vaccines for public health?
A) Prevention of disease outbreaks
B) Immediate treatment of infections
C) Enhancement of physical strength
D) Removal of toxins from the body

Answer
A) Prevention of disease outbreaks

Which vaccine is administered to prevent yellow fever?
A) Yellow fever vaccine
B) Hepatitis C vaccine
C) HPV vaccine
D) Tuberculosis vaccine

Answer
A) Yellow fever vaccine

Which of the following vaccines is usually administered via nasal spray?
A) Influenza vaccine
B) Rotavirus vaccine
C) Polio vaccine
D) Hepatitis B vaccine

Answer
A) Influenza vaccine

Which of the following vaccines contains a protein from the pathogen?
A) Subunit vaccine
B) mRNA vaccine
C) Live attenuated vaccine
D) Inactivated vaccine

Answer
A) Subunit vaccine

What is the recommended age for the first dose of the MMR vaccine?
A) 12-15 months
B) 3-5 years
C) At birth
D) 6 months

Answer
A) 12-15 months

Which of the following is a potential side effect of the DTP vaccine?
A) Mild fever
B) Chronic headaches
C) Vision loss
D) Hearing impairment

Answer
A) Mild fever

Which vaccine is recommended for pregnant women to protect against whooping cough?
A) Tdap vaccine
B) MMR vaccine
C) Hepatitis B vaccine
D) Influenza vaccine

Answer
A) Tdap vaccine

What is the main goal of a vaccination program?
A) To reduce the spread of infectious diseases
B) To eliminate all viruses
C) To promote exercise
D) To improve digestion

Answer
A) To reduce the spread of infectious diseases

If you are interested to enhance your knowledge regarding PhysicsChemistryComputer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.

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