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
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
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
What is an example of an inactivated vaccine?
A) Polio vaccine
B) Measles vaccine
C) Chickenpox vaccine
D) Smallpox vaccine
Which disease was the first to be eradicated globally through vaccination?
A) Smallpox
B) Polio
C) Measles
D) Tuberculosis
Which vaccine is commonly given to prevent tuberculosis?
A) BCG vaccine
B) DTP vaccine
C) MMR vaccine
D) Hepatitis B 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
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
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
Which of the following diseases can be prevented by vaccination?
A) Tetanus
B) Diabetes
C) Hypertension
D) Arthritis
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
Which vaccine is typically administered at birth to prevent liver disease?
A) Hepatitis B vaccine
B) Rotavirus vaccine
C) HPV vaccine
D) Influenza 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
Which of the following vaccines is recommended annually?
A) Influenza vaccine
B) Hepatitis B vaccine
C) Measles vaccine
D) Tetanus vaccine
Which type of vaccine contains toxins produced by the pathogen?
A) Toxoid vaccine
B) Live attenuated vaccine
C) Inactivated vaccine
D) mRNA 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
Which of the following vaccines is given to prevent cervical cancer?
A) HPV vaccine
B) DTP vaccine
C) Hepatitis B vaccine
D) Polio 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
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
Which of the following vaccines is given orally?
A) Rotavirus vaccine
B) Measles vaccine
C) Influenza vaccine
D) BCG 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
Which type of vaccine was developed to prevent COVID-19?
A) mRNA vaccine
B) Toxoid vaccine
C) Live attenuated vaccine
D) Subunit 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
What is the primary immune system component that responds to vaccines?
A) Antibodies
B) Platelets
C) Red blood cells
D) Hormones
Which of the following diseases has been targeted for global eradication after smallpox?
A) Polio
B) Measles
C) Tuberculosis
D) Influenza
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)
Which vaccine is recommended for infants to prevent a severe diarrheal disease?
A) Rotavirus vaccine
B) HPV vaccine
C) Influenza vaccine
D) Measles 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
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
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
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
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
Which vaccine is administered to prevent yellow fever?
A) Yellow fever vaccine
B) Hepatitis C vaccine
C) HPV vaccine
D) Tuberculosis 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
Which of the following vaccines contains a protein from the pathogen?
A) Subunit vaccine
B) mRNA vaccine
C) Live attenuated vaccine
D) Inactivated 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
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
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
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
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