Chemistry is a branch of science which deals with the study of
characteristics and composition of substances
Explanation for correct option :
option (c): characteristics and composition of substances
Chemistry is a branch of science concerned with the study of matter and the substances that make up that matter. It also covers the properties of these chemicals as well as the reactions that occur when they combine to generate new substances.
Explanation for incorrect option:
(a) The branch of science that deals with the study of plants called botany. So this is not the answer.
(b) The branch of science that deals with the study of animals called zoology. So this is not the answer.
(d) The branch of science that deals with the study of the earth called geoscience. So this is not the answer.
Therefore, Chemistry is a branch of science which deals with the study of characteristics and composition of substances.
Hence, option(C) is the correct option.