Here are the important “microbiology mcqs with answer pdf chapter 12”.
- What is the primary purpose of a bacterial vaccine?
A. To treat bacterial infections
B. To prevent bacterial infections
C. To boost the immune system
D. To cure viral diseases - Which of the following is NOT a type of bacterial vaccine?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Subunit vaccine
D. Antibiotic vaccine - Which bacterial vaccine type typically provides long-lasting immunity with a single dose?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine - Which bacterial vaccine type involves using only specific components of the bacterial cell, such as proteins or polysaccharides?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine - What is a toxoid vaccine primarily designed to target?
A. Bacterial cell walls
B. Bacterial toxins
C. Bacterial DNA
D. Bacterial flagella - Which bacterial vaccine type is safer for individuals with weakened immune systems?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine - Which bacterial vaccine is used to prevent diseases like diphtheria and tetanus?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine
- Which bacterial vaccine type can provide protection against multiple strains or serotypes of the same bacterium?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine - Which bacterial vaccine type often requires booster shots to maintain immunity over time?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine - What is the main advantage of bacterial vaccines over antibiotics in controlling bacterial infections?
A. Bacterial vaccines work faster
B. Bacterial vaccines are more effective
C. Bacterial vaccines prevent infections
D. Bacterial vaccines have fewer side effects
- Which of the following is an example of a live attenuated bacterial vaccine?
A. Inactivated tuberculosis vaccine (BCG)
B. Tetanus toxoid vaccine
C. Inactivated polio vaccine (IPV)
D. Oral cholera vaccine - What is the primary function of an adjuvant in a bacterial vaccine?
A. To weaken the bacteria
B. To enhance the vaccine’s shelf life
C. To stimulate the immune response
D. To replace the need for boosters - Which bacterial vaccine is commonly administered to travelers going to regions with a high risk of exposure to Vibrio cholerae?
A. Typhoid vaccine
B. Shigella vaccine
C. Cholera vaccine
D. Salmonella vaccine - Which bacterial vaccine type is used to prevent infections caused by Neisseria meningitidis?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Conjugate vaccine - What is the purpose of a “booster” dose in a bacterial vaccine schedule?
A. To reduce the side effects of the vaccine
B. To increase the vaccine’s shelf life
C. To remind the immune system to maintain immunity
D. To replace the initial vaccine dose - Which bacterial vaccine is used to prevent diseases like whooping cough and pertussis?
A. Tuberculosis vaccine
B. Tetanus toxoid vaccine
C. Diphtheria-pertussis-tetanus (DPT) vaccine
D. Haemophilus influenzae type b (Hib) vaccine - Which bacterial vaccine is given to prevent Streptococcus pneumoniae infections in young children?
A. Hib vaccine
B. Pneumococcal conjugate vaccine (PCV)
C. Meningococcal vaccine
D. DPT vaccine - Which bacterial vaccine is used to prevent Lyme disease?
A. Tuberculosis vaccine
B. Tetanus toxoid vaccine
C. Lyme disease vaccine
D. Influenza vaccine - What is the primary target of the human papillomavirus (HPV) vaccine?
A. Bacterial infections
B. Viral infections
C. Fungal infections
D. Parasitic infections - Which bacterial vaccine type is made from bacterial cell fragments, such as the cell wall?
A. Live attenuated vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine Answer: D. Subunit vaccine - Which bacterial vaccine is used to prevent tuberculosis?
A. Pneumococcal vaccine
B. Inactivated polio vaccine (IPV)
C. Bacillus Calmette-Guérin (BCG) vaccine
D. Tetanus toxoid vaccine Answer: C. Bacillus Calmette-Guérin (BCG) vaccine - Which bacterial vaccine is used to prevent infections caused by Clostridium tetani?
A. Pertussis vaccine
B. Tuberculosis vaccine
C. Typhoid vaccine
D. Tetanus toxoid vaccine - Which bacterial vaccine type is used to prevent infections caused by Haemophilus influenzae type b (Hib)?
A. Conjugate vaccine
B. Inactivated (killed) vaccine
C. Toxoid vaccine
D. Subunit vaccine - Which bacterial vaccine is given to protect against bacterial pneumonia and ear infections in young children?
A. Influenza vaccine
B. Pneumococcal conjugate vaccine (PCV)
C. Hepatitis B vaccine
D. Diphtheria-pertussis-tetanus (DPT) vaccine Answer: B. Pneumococcal conjugate vaccine (PCV) - Which bacterial vaccine is used to prevent diseases caused by the bacterium Bordetella pertussis?
A. Tuberculosis vaccine
B. Tetanus toxoid vaccine
C. Pertussis vaccine
D. Meningococcal vaccine Answer: C. Pertussis vaccine - Which bacterial vaccine is given to prevent infections caused by Salmonella typhi, the bacterium responsible for typhoid fever?
A. Typhoid vaccine
B. Cholera vaccine
C. Diphtheria-pertussis-tetanus (DPT) vaccine
D. Tuberculosis vaccine Answer: A. Typhoid vaccine - Which bacterial vaccine type contains a weakened but live version of the bacterium?
A. Inactivated (killed) vaccine
B. Conjugate vaccine
C. Live attenuated vaccine
D. Subunit vaccine Answer: C. Live attenuated vaccine - Which bacterial vaccine is used to prevent infections caused by the bacterium that can lead to cervical cancer?
A. Tuberculosis vaccine
B. Tetanus toxoid vaccine
C. Hepatitis B vaccine
D. HPV vaccine Answer: D. HPV vaccine - Which bacterial vaccine is used to prevent diseases like pneumonia, meningitis, and septicemia caused by Streptococcus pneumoniae?
A. Pneumococcal conjugate vaccine (PCV)
B. Tetanus toxoid vaccine
C. Tuberculosis vaccine
D. Pertussis vaccine Answer: A. Pneumococcal conjugate vaccine (PCV) - Which bacterial vaccine is administered to prevent infections caused by the bacterium responsible for causing anthrax?
A. Anthrax vaccine
B. Tuberculosis vaccine
C. Meningococcal vaccine
D. Cholera vaccine Answer: A. Anthrax vaccine