Q. Viroids differ from viruses in having :
A) DNA molecules with protein coat
B) DNA molecules without protein coat
C) RNA molecules with protein coat
D) RNA molecules without protein coat
Explanation
[Solution] Viroids are free RNA molecules lacking a protein coat. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.