Which of the following contains a helical $RNA$ strand and capsomeres?

  • A
    Polio virus
  • B
    Tobacco mosaic virus
  • C
    Chickenpox virus
  • D
    Retrovirus

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Assertion: Viruses are not considered organisms.
Reason: Viruses are nucleoproteins and lack cell organelles,etc.

Which of the following is an incorrect pair?

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