Biotechnology and Its Applications Question 12

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

(a) both sense and anti-sense RNA

(b) a particular hormone

(c) an antifeedant

(d) a toxic protein

Show Answer

Answer : a

Hints & Solutions

(a) In RNA interference technique, sense and antisense RNA are complimentary to each other which form dsRNA that silent the expression of mRNA of nematode. RNA interference is a novel strategy adopted to prevent infestation of nematode, Meloidogyne incognita in roots of tobacco plants.