Green chemistry deals with

Options

A. a) study of plant physiology
B. b) study of extraction of natural products from plants
C. c) detailed study of reactions involved in the synthesis of chlorophyll
D. d) utilization of existing knowledge base for reducing the chemical hazards along with developmental activities

Answer

D

Explanation

Green chemistry is that branch of chemistry in which chemicals of daily needs are produced by using such existing knowledge that neither use toxic chemicals nor emit such chemicals into the atmosphere. Thus, it helps in reducing the chemical hazads alongwith development activities.