huge (Adjective) : very large
mammoth (Adjective) : extremely large ; huge
quiet (Adjective) : making very little noise
significant (Adjective) : large or important enough to have an effect or to be noticed
small (Adjective) : very diminuitive in size

Correct Option: C

huge (Adjective) : very large
mammoth (Adjective) : extremely large ; huge
quiet (Adjective) : making very little noise
significant (Adjective) : large or important enough to have an effect or to be noticed
small (Adjective) : very diminuitive in size

harmony (Noun) : a state of peaceful existence and agreement
discord (Noun): dis-agreement; arguing
serenity (Noun) : the state of being calm and peaceful
acceptance (Noun) : the state of accepting
placidity (Noun) : being not easily excited or irritated

Correct Option: A

harmony (Noun) : a state of peaceful existence and agreement
discord (Noun): dis-agreement; arguing
serenity (Noun) : the state of being calm and peaceful
acceptance (Noun) : the state of accepting
placidity (Noun) : being not easily excited or irritated

conceal (Verb) : to hide
divulge (Verb) : reveal; to give somebody information that is supposed to be secret
disguise (Verb) : to hide or change so that the thing may not be recognized
oppress (Verb) : to treat in a cruel and unfair way by not giving the same rights, freedom etc.
reveal (Verb) : disclose; to make something known to somebody; display

Correct Option: A

conceal (Verb) : to hide
divulge (Verb) : reveal; to give somebody information that is supposed to be secret
disguise (Verb) : to hide or change so that the thing may not be recognized
oppress (Verb) : to treat in a cruel and unfair way by not giving the same rights, freedom etc.
reveal (Verb) : disclose; to make something known to somebody; display

rude (Adjective) : impolite; showing a lack of respect
inoffensive (Adjective) : not likely to offend or upset anyone
sensitive (Adjective) : easily offended or upset
organic (Adjective) : produced or practised without using artificial chemicals
sensible (Adjective) : able to make good judgements based on reason and experience rather than emotion

Correct Option: D

rude (Adjective) : impolite; showing a lack of respect
inoffensive (Adjective) : not likely to offend or upset anyone
sensitive (Adjective) : easily offended or upset
organic (Adjective) : produced or practised without using artificial chemicals
sensible (Adjective) : able to make good judgements based on reason and experience rather than emotion

vulnerable (Adjective) : weak and easily hurt physically or emotionally
invincible (Adjective) : too strong to be defeated or changed; unconquerable
small (Adjective) : very diminuitive in size
invisible (Adjective) : that cannot be seen
reachable (Adjective) : that is possible to reach

Correct Option: C

vulnerable (Adjective) : weak and easily hurt physically or emotionally
invincible (Adjective) : too strong to be defeated or changed; unconquerable
small (Adjective) : very diminuitive in size
invisible (Adjective) : that cannot be seen
reachable (Adjective) : that is possible to reach