NTA Abhyas NEET2020BotanyBiological ClassificationPractice
What type of nucleic acid is found in the viral pathogen that causes mottling and leaf discoloration in the Nicotiana group of plants?
Options
- ADouble stranded RNA
- BDouble stranded DNA
- CSingle stranded RNA
- DSingle stranded DNA
Correct answer
C. Single stranded RNA
Step-by-step solution
The tobacco mosaic virus has the genome of single stranded RNA. These viruses infect a large group of plants, especially tobacco and also many other members of family Solanaceae. This disease causes patches of discoloration and a mosaic pattern on leaves as a symptom.