Practice Quiz

MCAS Biology Practice

Category - Biology

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A tomato plant in a greenhouse was found to be infected with tobacco mosaic virus. A few weeks later, nearby plants were alsofound to be infected with the virus. Which of the following best describes how the virus reproduced?
  1. The virus made its own spores.
  2. The virus produced seeds in the tomatoes.
  3. The virus used the host plant’s resources and machinery to reproduce.
  4. The virus immediately killed the host plant and was free to reproduce.
Explanation
Answer: C - The virus used the host plant’s resources and machinery to reproduce.
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