The study of duration of life is called

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.

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 bacteria is called Bacteriology.

The study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs is called Astrology.

Cultivation of trees and vegetables is called Arboriculture.

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.

Answer: Option C

Explanation:

The art of beautiful handwriting is called Calligraphy.

The art of making objects from clay is called Ceramics.

The study of historical records to establish the dates of past events is called Chronology.