Q. Mosaic disease in tobacco is due to
A) Bacteria
B) Virus
C) Mycoplasma
D) Algae
Explanation
The Russian Biologist Ivanowsky (1892)demonstrated the occurrence of microorganisms smaller than bacteria in tobacco leaves suffering from mosaic disease.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.