Read the following statement having two blanks (A and B) :
''A drug used for ______ (A)___ patients is obtained from a species of the organism ______ (B)___ ''.
The one correct option for the two blanks is :

Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?:

Consider the following statements (A-D) about organic farming :
(A) Utilizes genetically modified crops like Bt cotton
(B) Uses only naturally produced inputs like compost
(C) Does not use pesticides and urea
(D) Produces vegetables rich in vitamins and minerals
Which of the above statements are correct ?

Which one of the following techniques made it possible to genetically engineer living organisms ?