Question:
Which of the following is an RNA virus?
Which of the following is an RNA virus?
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• Dengue → RNA virus
• HPV, HBV, Smallpox → DNA viruses
Updated On: May 13, 2026
- Dengue virus
- Smallpox virus
- Human Papilloma virus
- Hepatitis B Virus
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The Correct Option is A
Solution and Explanation
Concept:
Viruses can be classified based on their genetic material:
• RNA viruses: Genome consists of RNA
• DNA viruses: Genome consists of DNA
Step 1: Analyzing each option.
• Dengue virus: Positive-sense single-stranded RNA virus → Correct.
• Smallpox virus: Double-stranded DNA virus → Incorrect.
• Human Papilloma virus (HPV): DNA virus → Incorrect.
• Hepatitis B virus: DNA virus (partially double-stranded) → Incorrect.
Step 2: Selecting the correct answer.
Thus, Dengue virus is an RNA virus.
• RNA viruses: Genome consists of RNA
• DNA viruses: Genome consists of DNA
Step 1: Analyzing each option.
• Dengue virus: Positive-sense single-stranded RNA virus → Correct.
• Smallpox virus: Double-stranded DNA virus → Incorrect.
• Human Papilloma virus (HPV): DNA virus → Incorrect.
• Hepatitis B virus: DNA virus (partially double-stranded) → Incorrect.
Step 2: Selecting the correct answer.
Thus, Dengue virus is an RNA virus.
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