Question

which virus is correctly matched with its structure?
○ hiv—helical shape
○ polio—polyhedral shape
○ ebola—complex shape
○ bacteriophage—enveloped shape

Explanation:

• Analyze each option:
• HIV has a spherical (enveloped) shape, not helical.
• Polio virus has a polyhedral (icosahedral) shape, this match is correct.
• Ebola has a helical shape, not complex.
• Bacteriophage has a complex shape (with a head and tail), not enveloped.

Answer:

B. polio—polyhedral shape