bureaucracy bureaucracy (N.) : a system of government in which there are a large number of state officials who are not elected oligarchy (N.) : a form of government in which only a small group of people hold all the power
aristocracy (N.) : nobility; the most powerful members of a society
plutocracy (N.) : government by the richest people of a country

Correct Option: D

bureaucracy bureaucracy (N.) : a system of government in which there are a large number of state officials who are not elected oligarchy (N.) : a form of government in which only a small group of people hold all the power
aristocracy (N.) : nobility; the most powerful members of a society
plutocracy (N.) : government by the richest people of a country

septuagenarian septuagenarian (N.) : a person between the ages of 70 and 79
sexagenarian (N.) : a person between the ages of 60 and 69
centurion (N.) : an army officer who commanded a 100 soldiers (in ancient Rome)
patriarch (N.) : the male head of a family or community

Correct Option: B

septuagenarian septuagenarian (N.) : a person between the ages of 70 and 79
sexagenarian (N.) : a person between the ages of 60 and 69
centurion (N.) : an army officer who commanded a 100 soldiers (in ancient Rome)
patriarch (N.) : the male head of a family or community

entomology entomology (N.) : the scientific study of insects
ecology (N.) : the study of the relation of plants and living creatures to each other and to their environment
embryology (N.) : the study of the development of animals/ plants before birth
biology (N.) : the scientific study of the life and structure of plants and animals

Correct Option: C

entomology entomology (N.) : the scientific study of insects
ecology (N.) : the study of the relation of plants and living creatures to each other and to their environment
embryology (N.) : the study of the development of animals/ plants before birth
biology (N.) : the scientific study of the life and structure of plants and animals

reveille reveille (N.) : a tune that is played to wake soldiers in the morning
lullaby (N.) : a soft gentle song sung to make a child go to sleep
anthem (N.) : a song that has a special importance for a country, an organisation or a particular group of people, and is sung on special occasions
soprano (N.) : a singing voice with the highest range for a woman or boy

Correct Option: A

reveille reveille (N.) : a tune that is played to wake soldiers in the morning
lullaby (N.) : a soft gentle song sung to make a child go to sleep
anthem (N.) : a song that has a special importance for a country, an organisation or a particular group of people, and is sung on special occasions
soprano (N.) : a singing voice with the highest range for a woman or boy

knell knell (N.) : the sound of a bell sung slowly to announce a death/ a funeral/the end of something
spell (N.) : a short period of time during which something lasts
dong (N.) : sound made by a bell
ding-dong (N.) : sound made by a bell

Correct Option: A

knell knell (N.) : the sound of a bell sung slowly to announce a death/ a funeral/the end of something
spell (N.) : a short period of time during which something lasts
dong (N.) : sound made by a bell
ding-dong (N.) : sound made by a bell