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Question: Answered & Verified by Expert
The infectious agent that is smaller to viruses and caused potato spindle tuber disease is
BiologyBiological ClassificationNEET
Options:
  • A Virion
  • B Prions
  • C Virusoid
  • D Viroid
Solution:
1533 Upvotes Verified Answer
The correct answer is: Viroid
Viroids are smallest pathogen and causes diseases only in plants. Viroids are naked RNA molecules which are not enclosed by protein capsid, they are made up of 249 to 399 nucleotides only. Discovered by T. O . Diener.

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