The practise of having two wives or husbands at a time is called :

Answer: Option B

Explanation:

Bureaucracy means नौकरशाही.

Democracy means Government by the People (प्रजातंत्र).

Gerontocracy means Government by old men.

Kekistocracy means Government run by worst citizen.

Answer: Option B

Answer: Option C

Explanation:

Neocracy means नवीन लोगो का राज्य.

Panarchy means Government run universally.

Oligarchy means Government by few persons (अल्पतंत्र).

Ochlocracy Government by mob.

Answer: Option C

Explanation:

Matricide means murder of one's mother.

Parricide means murder of one's parents.

Uxoricide means murder of one's wife.

Answer: Option D

Explanation:

Drone means sound made by Beetles.

Jingle means sound of the bells.

Chrip means sound of the birds.