The Khasi social and political units governed by traditional chiefs are known as:

A'kings
Himas
Sangmas
Nokmas

The correct answer is: b) Himas.

A Hima is a traditional Khasi social and political unit governed by a chief known as a Syiem. A Hima is typically made up of a number of villages, and each village has its own chief known as a Nokma. The Syiem is responsible for the overall administration of the Hima, while the Nokma is responsible for the day-to-day affairs of his or her village.

The Khasi people are an indigenous ethnic group of Northeast India. They are matrilineal, which means that property and inheritance are passed down through the female line. The Khasi have a unique social structure that is based on the concept of the clan. A clan is a group of people who are descended from a common ancestor. Clans are exogamous, which means that members of a clan cannot marry each other.

The Khasi are also known for their matrilocal system of residence. This means that when a couple gets married, the husband moves into the wife’s home. The wife’s family is responsible for providing for the couple and their children.

The Khasi are a proud and independent people. They have a strong sense of community and tradition. The Khasi are also known for their hospitality and generosity.