What is noun and how to use it on english grammar for competitive exams

A noun is the name of a person, place, thing, or idea. Whatever exists, we assume, can be named, and that name is a noun. in other words, noun is (other than a pronoun) used to identify any of a class of people, places, or things common noun, or to name a particular one of these proper noun. Some nouns are plural and some nouns are always singular.

what is singular noun and what is plural noun?

have you ever heard about "एकवचन बहुवचन" ? thats it, singular noun is "ekvachan" and plural noun is "bahuvachan"

Examples of Singular Noun

this is a Book

this is a banana

this is a cow 

this is a horse

Examples of Plural Nouns

these are books

those are bananas

these are cows

those are horses

Now we have brief idea about Singular Noun V/s Plural Nouns.

But some nouns are always singular in number so those nouns takes singular verb. lets see below example.

Singular Noun                                  Plural Noun

piece of brick                                     Two pieces of Brick 

the scenery of girnar is beautiful          the scenery of girnar is beautiful.

furniture, fruit, rice, soap, hair, luggage, stationary these are the nouns who uses always singular verb.

in the same way some nouns are always plural, so they takes plural verb. for example

thanks, wishes, jeans, etc.

some nouns seems to be plural but they are single in word like : news, politics, mathematics etc. for those nouns english always take singular verb.

some nouns seems to be singular but they are using plural verb like : police, cattle.