The study of rocks is called

Answer: Option D

Explanation:

The study of ancient writing systems and the deciphering and dating of historical manuscripts is called Paleography.

A person's facial features or expression, esp. when regarded as indicative of character or ethnic origin is called Physiognomy.

The production of silk and the rearing of silkworms for this purpose is called Sericulture.

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 C

Explanation:

The supposed communication of thoughts or ideas by means other than the known senses is called Telepathy.

The study of caves is called Spelelogy.

The branch of science concerned with earthquakes and related phenomena is called Seismology.

Answer: Option B

Explanation:

The study of visual imagery and its symbolism and interpretation is called Iconology.

The practice of compiling dictionaries Lexicography

The study or collection of coins, paper currency, and medals is called Numismatics.

Answer: Option A

Explanation:

The science of the nature of heavenly bodies is called Cosmogony.

The science that describes and maps the main features of the universe is called Cosmography.

The science of the nature, origin and history of the universe is called Cosmology.