The art of secret writings is called

Answer: Option B

Explanation:

The science dealing with the structure of animals, plants or human body is called Anatomy.

The study of history of a list of books on a subject is called Bibliography.

The science that deals with the origin, physical and cultural development of mankind is called Anthropology.

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 D

Explanation:

The study of finger prints for the purpose of identification is called Dactylography.

The branch of biology concerned with the structure and function of plant and animal cells is called Cytology.

The branch of physics dealing with the production and effects of very low temperatures is called Cryogenics.

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 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.