Question : Select the most appropriate one-word substitution of the given group of words.

Something that is absolutely necessary, that you cannot do without.

Question : Select the most appropriate option for the given group of words.

A period of thousand years

Question : Select the most appropriate word to substitute for the given group of words.

Symbols of royalty

Question : Select the most appropriate option for the given group of words.

One who accompanies somebody to protect him

Question : Select the most appropriate option that can substitute the underlined segment in the given sentence.
He described about the scenery yesterday.