Question
View answerHLPaper 1A
Which feature distinguishes the influenza virus shown in the image from bacteriophage lambda?
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Which feature distinguishes the influenza virus shown in the image from bacteriophage lambda?
Which step in the diagram involves the virus entering the host cell?
What is the function of the viral RNA?
The following electron microscope image shows the structure of a virus:
The table below compares key characteristics of viruses and living cells:
In the lytic cycle of bacteriophage lambda, which event happens immediately before the host cell undergoes lysis?
Practice IB Biology Topic A2.3 Viruses with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A2.3 Viruses and mirrors Paper 1A, 1B, 2 style where relevant.
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| Feature | Virus | Living Cell |
|---|
| DNA or RNA | Yes | Yes |
| Metabolism | No | Yes |
| Ability to Reproduce | Only inside host cell | Yes (independent cell division) |
| Ribosomes | No | Yes |
| Response to Antibiotics | No | Yes (for bacteria) |
