Answer:
Avermectins
Step-by-step explanation:
Avermectin is a class of drug that are used as a pesticide to kill the helminths. Averctin may exist in the form of monosaccharide as well as disachharide.
The averctin drug blocks the transmission of electrical impulse in the brain. This drug inhibits the neuromal transmission in helminths and thus proves to be a effective drug to kill the helminths.
Thus, the correct answer is option (2).