Question

Which of the following shows single stranded RNA and lacks protein coat?
A)Bateriophage B) plant virus C) viroid D)animal virus

Answer 1

Answer:

(C) Viroid

• Viroid, a subviral particle discovered by T.O Diener are viruses without a protein coat.
• They are mostly stranded RNA and have high molecular weight.
• Known to cause diseases like PSTD- potato spindle tuber disease, crysanthemum stunt and citrus exocortis.