VIRUS 🦠🦠🦟 (ALL GOVT JOBS MCQ)

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VIRUS 🦠🦠🦠🦠


Some virus related MCQ with answers 


1. **Which of the following is a characteristic of a lytic cycle in viruses?
   a) Integration into the host genome
   b) Production of viral particles inside the host cell
   c) Host cell remains alive
   d) Formation of a latent infection
   - **Answer:** b) Production of viral particles inside the host cell


2. **HIV targets which type of cells in the human body?
   a) Red blood cells
   b) Neurons
   c) T-helper cells
   d) Platelets
   - **Answer:** c) T-helper cells

3. **Which of the following is NOT a way viruses can be transmitted?
   a) Direct contact
   b) Contaminated water
   c) Genetics
   d) Airborne droplets
   - **Answer:** c) Genetics



4. **Which virus is responsible for causing chickenpox?
   a) Varicella-zoster virus
   b) Epstein-Barr virus
   c) Cytomegalovirus
   d) Hepatitis B virus
   - **Answer:** a) Varicella-zoster virus

5 **Which of the following is a method by which bacteriophages can transfer bacterial DNA from one bacterium to another?
   a) Conjugation
   b) Transformation
   c) Transduction
   d) Transcription
   - **Answer:** c) Transduction

10. **Which type of virus is known for its rapid mutation rate, making vaccine development challenging?
    a) Hepatitis B virus
    b) Influenza virus
    c) Smallpox virus
    d) Epstein-Barr virus
    - **Answer:** b) Influenza virus

11. **What is the term for a virus that infects bacteria?
    a) Retrovirus
    b) Bacteriophage
    c) Arbovirus
    d) Mycovirus
    - **Answer:** b) Bacteriophage

12. **Which virus is known to cause severe acute respiratory syndrome (SARS)?
    a) Coronavirus
    b) Norovirus
    c) Rotavirus
    d) Adenovirus
    - **Answer:** a) Coronavirus

13. **Which of the following diseases is caused by the Epstein-Barr virus?
    a) Measles
    b) Mononucleosis
    c) Influenza
    d) Hepatitis C
    - **Answer:** b) Mononucleosis

14. **Which virus is known for causing hemorrhagic fever with a high fatality rate?
    a) Dengue virus
    b) Ebola virus
    c) Rabies virus
    d) Zika virus
    - **Answer:** b) Ebola virus

15. **What type of genome does the influenza virus have?
    a) Single-stranded DNA
    b) Double-stranded DNA
    c) Single-stranded RNA
    d) Double-stranded RNA
    - **Answer:** c) Single-stranded RNA

16. What is the primary method of transmission for the hepatitis B virus?
    a) Contaminated food
    b) Airborne particles
    c) Blood and bodily fluids
    d) Insect bites
    - **Answer:** c) Blood and bodily fluids

17. **Which virus is known to cause warts in humans?
    a) Human papillomavirus (HPV)
    b) Varicella-zoster virus
    c) Cytomegalovirus
    d) Hepatitis C virus
    - **Answer:** a) Human papillomavirus (HPV)

18. **Which of the following viral infections can be prevented by vaccination?
    a) Common cold
    b) HIV
    c) Measles
    d) Herpes simplex
    - **Answer:** c) Measles

20. **Which of the following viruses can be transmitted via a mosquito bite?
    a) HIV
    b) Influenza
    c) Zika virus
    d) Hepatitis B
    - **Answer:** c) Zika virus

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