Q. A new infectious agent that is smaller than virus is
A) Prions
B) Viroids
C) bacteria
D) Mycoplasma
Explanation
Viroid were discovered by TO Diener in 1971 as a new infectious agent that was smaller than viruses. Viroids lack capsid and have not proteins associated with them
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.