1.  Statement : Some strains of mosquito have become resistant in chloroquine -  the widely used medicine for malaria patints.

Courses of action :

I. Selling of chloroquine should be stopped.

II. Researchers should develop a new medicine for patient affected by such mosquitoes.

III. All the patients suffering from malaria should be checked for identification of causal mosquito.


A. None follows
B. Only I and III follow
C. All follow
D. Only II and III follow
E. None of these

Answer: Option D

Explanation:

Clearly, chloroquine can still be used to get rid of the non-resistant varieties, and new medicine developed for the resistant varieties. The patients can the be treated accordingly by performing tests for the causal mosquito. So, only II and III follow.