Answer: C
Inoculation (Introduction of a serum or vaccine into a living creature) results in immunity.
Exposure to the elements results in weathering.

Answer: A
Someone callow is immature and will not reach full development till maturity.
Someone Incipient is beginning to become apparent and will not reach full development till fruition.

Answer: D
To Dampen enthusiasm is to diminish it.
To mute (muffle) sound is to diminish it.
** To distract attention is not diminish it but to divert it in a new direction.

Answer: C
A burst is a sudden violent outbreak of sound.
A blast is a sudden violent (heavy gust) of wind.
** A glimmer is a feeble or intermittent light, not a sudden violent flare or blast of light.

Answer: B
A glint is a small gleam of light.
A whiff is a slight puff of scent.

Answer: D
Doggerel is trivial or inferior verse produced by the poet.
A potboiler is a trivial or inferior literary work produced by the novelist.