Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells):

Options

A. Both sense and antisense RNA
B. A particular hormone
C. An antifeedant
D. A toxic protein

Answer

A

Explanation

A nematode meloidogyne incognita infects the roots of tobacco plants and causes a great reduction in yield. The strategy was adopted to prevent this infection that was based on the process of RNA interference. It is the phenomenon of inhibiting activity of a gene through production of sense and antisense RNA.