Which of the following is incorrect about plasmids in genetic engineering?
Plasmids do not encode ribosomal RNA in humans; they are used as vectors in genetic engineering. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.