The study of sound is called

Answer: Option B

Explanation:

he collection and study of postage stamps is called Philately.

The branch of knowledge that deals with the structure, historical development, and relationships of a language or languages is called Philology.

The study and classification of speech sounds is called Phonetics.

Answer: Option C

Explanation:

The study of human races is called Ethnology.

The study of animal behaviour is called Ethology.

The study of origin and history of words is called Etymology.

Answer: Option A

Explanation:

The study of sound is called Acoustics.
The science or art of flight is called Aeronautics.
The philosophy of fine arts Aesthetics.
The science of soil management is called Agronomy.

Answer: Option B

Explanation:

Exercises developing or displaying physical agility and coordination is called Gymnastics.

The science that deals with the earth's physical structure and substance, its history, and the processes that act on it is called Geology.

The study of the microscopic structure of tissues is called Histology.

Answer: Option A

Explanation:

The study of effect of environment on workers is called Ergonomy.

The science of improving a human population by controlled breeding to increase the occurrence of desirable heritable characteristics is called Eugenics.

The study of heredity and the variation of inherited characteristics is called Genetics.