Class 12 NEET Biology Biotechnology Principles and Processes Part 2

Concept:Plasmids are small, circular DNA molecules that can replicate independently and exist separately from the bacterial chromosome.Explanation:Plasmids are circular DNA found in bacteria outside the main chromosome.They contain an origin of replication that allows them to replicate on their own.Hence, they are both extrachromosomal (Statement II) and autonomously replicating (Statement I).Answer:B. Both Statement I and Statement II are correct