Top 30 MCQs on Antiviral Drugs with Answers & Explanation

📌 Introduction  

Antiviral drugs are used to treat viral infections by inhibiting viral replication. This topic is very important for GPAT, DSSSB, and other pharmacy exams. These MCQs will help you revise key concepts quickly.

📝 MCQs on Antiviral Drugs  

1. Viruses depend on:  

A) Bacteria  

B) Host cells  

C) Fungi  

D) Water  

✔ Answer: B) Host cells  

2. Antiviral drugs act by:  

A) Killing bacteria  

B) Inhibiting viral replication  

C) Increasing glucose  

D) Increasing BP  

✔ Answer: B) Inhibiting viral replication  

3. Which is an anti-HIV drug?  

A) Acyclovir  

B) Zidovudine  

C) Oseltamivir  

D) Fluconazole  

✔ Answer: B) Zidovudine  

4. Zidovudine belongs to:  

A) Antibiotics  

B) Antifungal  

C) Antiviral  

D) NSAIDs  

✔ Answer: C) Antiviral  

5. Which drug is used for herpes?  

A) Oseltamivir  

B) Acyclovir  

C) Zidovudine  

D) Metformin  

✔ Answer: B) Acyclovir  

6. Acyclovir acts by:  

A) Blocking protein  

B) Inhibiting viral DNA synthesis  

C) Increasing BP  

D) Blocking calcium  

✔ Answer: B) Inhibiting viral DNA synthesis  

7. Which drug is used for influenza?  

A) Acyclovir  

B) Zidovudine  

C) Oseltamivir  

D) Fluconazole  

✔ Answer: C) Oseltamivir  

8. Oseltamivir acts by:  

A) Blocking DNA  

B) Inhibiting neuraminidase  

C) Increasing BP  

D) Blocking sodium  

✔ Answer: B) Inhibiting neuraminidase  

9. Which treats hepatitis?  

A) Interferon  

B) Insulin  

C) NSAIDs  

D) Antibiotics  

✔ Answer: A) Interferon  

10. Antivirals reduce:  

A) Bacteria  

B) Viral load  

C) Sugar  

D) Protein  

✔ Answer: B) Viral load  

11. Viruses contain:  

A) DNA/RNA  

B) Protein only  

C) Fat only  

D) Sugar only  

✔ Answer: A) DNA/RNA  

12. Which blocks viral entry?  

A) Antivirals  

B) Antibiotics  

C) Insulin  

D) Vitamins  

✔ Answer: A) Antivirals  

13. Which drug is nucleoside analog?  

A) Zidovudine  

B) Fluconazole  

C) Terbinafine  

D) Paracetamol  

✔ Answer: A) Zidovudine  

14. Common side effect:  

A) Hypoglycemia  

B) Nausea  

C) Cancer  

D) Pain  

✔ Answer: B) Nausea  

15. Which causes liver toxicity?  

A) Antivirals  

B) Antibiotics  

C) Vitamins  

D) Insulin  

✔ Answer: A) Antivirals  

16. HIV is a:  

A) Bacteria  

B) Virus  

C) Fungus  

D) Protozoa  

✔ Answer: B) Virus  

17. Antivirals are used in:  

A) Diabetes  

B) Viral infections  

C) Pain  

D) Cancer  

✔ Answer: B) Viral infections  

18. Which drug treats influenza?  

A) Oseltamivir  

B) Metformin  

C) Insulin  

D) Antibiotic  

✔ Answer: A) Oseltamivir  

19. Which drug treats herpes?  

A) Acyclovir  

B) Insulin  

C) Antibiotic  

D) NSAID  

✔ Answer: A) Acyclovir  

20. Which reduces disease progression?  

A) Antivirals  

B) Antibiotics  

C) Vitamins  

D) NSAIDs  

✔ Answer: A) Antivirals  

21. Which blocks viral replication?  

A) Antivirals  

B) Antibiotics  

C) Insulin  

D) Hormones  

✔ Answer: A) Antivirals  

22. Which is anti-hepatitis drug?  

A) Interferon  

B) Insulin  

C) Antibiotic  

D) Vitamin  

✔ Answer: A) Interferon  

23. Viruses replicate in:  

A) Blood  

B) Host cells  

C) Water  

D) Air  

✔ Answer: B) Host cells  

24. Which prevents viral release?  

A) Antivirals  

B) Antibiotics  

C) Insulin  

D) Vitamins  

✔ Answer: A) Antivirals  

25. Which drug is for HIV?  

A) Zidovudine  

B) Acyclovir  

C) Oseltamivir  

D) Fluconazole  

✔ Answer: A) Zidovudine  

26. Which is not antiviral?  

A) Acyclovir  

B) Oseltamivir  

C) Zidovudine  

D) Metformin  

✔ Answer: D) Metformin  

27. Which drug blocks neuraminidase?  

A) Oseltamivir  

B) Zidovudine  

C) Acyclovir  

D) Insulin  

✔ Answer: A) Oseltamivir  

28. Which drug inhibits DNA synthesis?  

A) Acyclovir  

B) Insulin  

C) Antibiotic  

D) Vitamin  

✔ Answer: A) Acyclovir  

29. Which is antiviral class?  

A) Antibiotics  

B) Antifungals  

C) Antivirals  

D) NSAIDs  

✔ Answer: C) Antivirals  

30. Best use of antivirals:  

A) Bacterial infection  

B) Viral infection  

C) Pain  

D) Fever  

✔ Answer: B) Viral infection  

🎯 Conclusion  

These 30 MCQs on antiviral drugs will help you strengthen pharmacology concepts and improve exam performance. Practice daily for better results.

👉 Read full notes here: https://pharmacymcq.in/antiviral-drugs-classification-mechanism-uses-side-effects/

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