Question

Replace the underlined word with its noun form.
The dark room frightened me.
a) The darkness of the room frightened me.
b) The room was dark and frightened me.
c) I was frightened by the darkiness of the room.
d) None of the above

Answer 1

Hint: Dark is an adjective which is defined as ‘devoid of or deficient in light or brightness; shadowed or black.’ For example - sitting in a dark corner.

Complete answer:
In the given question, we have to find out which of the options includes a sentence with the noun form of the adjective ‘dark’, which is ‘darkness’.
Let us thus analyze the options given to us in this question -
Option (a.), 'The darkness of the room frightened me', refers to ‘darkness’ as the noun form of ‘dark’. Therefore, option (a.) is correct as ‘darkness’ is the noun form of ‘dark’ and means ‘absence of light or illumination.’
Option (b.), ‘The room was dark and frightened me', refers to ‘dark’. Therefore, option (b.) is incorrect as ‘dark’ is not a noun, but an adjective.
Option (c.), ‘I was frightened by the darkiness of the room', refers to ‘darkiness’. Therefore, option (c.) is incorrect as ‘darkiness’ is an incorrectly spelt word.
Option (d.), ‘None of the above', is incorrect as option (a.) is correct.

Note:
 In this question, it will be helpful for the student to recall the concept of nouns. A noun is a content word that can be used to refer to a person, place, thing, quality, or action. Noun is the word class that can serve as the subject or object of a verb, the object of a preposition, or in apposition.