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GK MCQs Section
Q. Which of the following statements regarding viruses are correct:
  1. They can reproduce inside the cells of living organisms.
  2. They can be seen by simple microscopes.
  3. They obtain their food from host cell.
  4. They exhibit a variety of shapes.
Select the correct option from the codes given below:
Answer: Only 3 & 4
Notes: Viruses can only be seen under electron microscopes and are smaller than the smallest known cells, so they cannot be seen by simple microscopes. They obtain food from their host cell and exhibit various shapes, such as rod-like or spherical. Thus, only statements 3 and 4 are correct.