UPSC CSE Prelims
Question 78
Viruses can infect:
- Bacteria
- Fungi
- Plants
View correct answer and explanation
Correct answer: D
Correct Option: D
Explanation: Viruses infect all three groups: bacteriophages attack bacteria, mycoviruses infect fungi, and many plant viruses cause crop diseases.
Statement/Pair-wise Analysis:
Statement/Item 1: Correct - Bacteriophages are viruses that replicate inside bacterial cells.
Statement/Item 2: Correct - Mycoviruses are found in diverse fungal hosts.
Statement/Item 3: Correct - Plant viruses such as tobacco mosaic virus infect plant cells.
Option-wise Analysis:
A: Incorrect - omits correct statement/item 3.
B: Incorrect - omits correct statement/items 1, 2.
C: Incorrect - omits correct statement/item 2.
D: Correct - includes all and only the true statements/items.