professional (Noun) : a competent person ; a person who does an activity as a paid job rather than as a hobby
amateur (Adjective) : doing something for enjoyment/interest, not as a job ; novice
novice (Noun) : a person who is new and has little experience in a skill, job or situation
lover (Noun) : a person who loves or is loved
apprentice (Noun) : a young person who works for an employer for a fixed period of time in order to learn the particular skills needed in his job

Correct Option: B

professional (Noun) : a competent person ; a person who does an activity as a paid job rather than as a hobby
amateur (Adjective) : doing something for enjoyment/interest, not as a job ; novice
novice (Noun) : a person who is new and has little experience in a skill, job or situation
lover (Noun) : a person who loves or is loved
apprentice (Noun) : a young person who works for an employer for a fixed period of time in order to learn the particular skills needed in his job

self–assurance (Noun) : belief in yourself and your abilities; self–confidence
diffidence (Noun) : lack of self– confidence; self–doubt; self–distrust; shyness
expansiveness (Noun) : a friendly open trait of a talkative person
shyness (Noun) : a feeling of fear of embarrassment
sharpness (Noun) : a quick and penetrating intelligence

Correct Option: A

self–assurance (Noun) : belief in yourself and your abilities; self–confidence
diffidence (Noun) : lack of self– confidence; self–doubt; self–distrust; shyness
expansiveness (Noun) : a friendly open trait of a talkative person
shyness (Noun) : a feeling of fear of embarrassment
sharpness (Noun) : a quick and penetrating intelligence

hidden (Adjective) : not open ; secret ; concealed
overt (Adjective) : done in an open way and not secretly ; open
open (Adjective) : not closed
complete (Adjective) : in totality
culvert (Noun) : a tunnel that carries a river or pipe for water under a road

Correct Option: C

hidden (Adjective) : not open ; secret ; concealed
overt (Adjective) : done in an open way and not secretly ; open
open (Adjective) : not closed
complete (Adjective) : in totality
culvert (Noun) : a tunnel that carries a river or pipe for water under a road

exhale (Verb) : to breathe out ; to breathe out the air/smoke in your lungs
inhale (Verb) : to breathe in; to take air into your lungs
insert (Verb) : to put something into something
extricate (Verb) : to escape/enable to escape from a difficult situation
hate (Verb) : to have a strong dislike

Correct Option: D

exhale (Verb) : to breathe out ; to breathe out the air/smoke in your lungs
inhale (Verb) : to breathe in; to take air into your lungs
insert (Verb) : to put something into something
extricate (Verb) : to escape/enable to escape from a difficult situation
hate (Verb) : to have a strong dislike

selfish (Adjective) : caring only about yourself
altruistic (Adjective) : showing unselfish concern for the welfare of others ; selfless ; unselfish
cruel (Adjective) : wicked
unkind (Adjective) : cruel
evil (Adjective) : morally bad and cruel

Correct Option: A

selfish (Adjective) : caring only about yourself
altruistic (Adjective) : showing unselfish concern for the welfare of others ; selfless ; unselfish
cruel (Adjective) : wicked
unkind (Adjective) : cruel
evil (Adjective) : morally bad and cruel