Question

Potato spindle tuber disease causing organism is different from HIV as the former

• A. Contains RNA
• B. Has no capsid
• C. Has no protein
• D. All of the above

Answer 1

The correct option is D All of the above

Potato spindle tuber disease is caused by potato spindle tuber viroid (PSTDV). It belongs from the pospiviroidae family. It only infect plants. HIV is caused by retrovirus, it belongs from the reteroviridae family. PSTDV viroid possess a circular RNA genome, that is not encapsidated in protein coat. PSTDV behave like a virus but their genome don't code for protein. Retrovirus also contain RNA genome, which is capsidated in protein coat.

So, the correct answer is 'All of the above'.