Question
Biology Question on Eco-System
Which of the following is not of biotic origin?
A
Vinblastine
B
Malathion
C
Pyrethrin
D
Azadirachtin
Answer
Malathion
Explanation
Solution
Malathion is an organo-phosphate parasympathomimetic which binds irreversibly to cholinesterase. It works by attacking the nervous system resulting in insect death. Malathion is widely used as pesticide in agriculture.