Antonyms

Pardon means to forgive or excuse. The opposite is to sentence, which means to declare a punishment.

Particular refers to a specific or individual item. General refers to something that applies to all or is not specific.

Passive means accepting or allowing what happens without active response. Proactive is the direct antonym, as it involves taking initiative to control a situation.

Pathetic describes something miserable, inadequate, or pitiable. Worthwhile is the best antonym here, as it implies value or merit, contrasting with the negative connotation of pathetic.

Patience is the capacity to accept delay or trouble without getting angry. Restlessness is the opposite, characterized by an inability to stay still or wait calmly.

Peevish means easily irritated or grumpy. Amiable is the perfect antonym, as it describes someone who is friendly and pleasant.

Peculiar means strange, odd, or unique to a specific person or place. Universal is the antonym, meaning applicable to all or common to everyone.

Passionate implies having strong feelings or enthusiasm. Unattached is the best antonym among the choices, suggesting a lack of emotional connection or involvement.

Penitent means feeling or showing sorrow and regret for having done wrong.
Unrepentant means showing no regret for one's wrongdoings.

Hence, option 2 is the correct answer. 

Persecute means to treat someone poorly or oppress them. Exonerate means to clear someone of blame or wrongdoing, which is the opposite of the harm implied by persecution.

Persuade means to convince someone to do something. Dissuade is the direct antonym, meaning to convince someone NOT to do something.

Perceive means to become aware of or understand something. Ignore is the opposite, as it means to deliberately disregard or fail to notice something.

Persistent means continuing firmly in a course of action despite difficulty. Fleeting is the opposite, meaning lasting for a very short time.

Practical relates to actual experience or use rather than theory. Hypothetical is the antonym, as it refers to something based on a theory or assumption rather than reality.

Perverse means showing a deliberate and obstinate desire to behave in a way that is unreasonable or unacceptable.
Obliging means willing to do a service or kindness.

Hence, option 2 is the correct answer. 

Poise refers to graceful and elegant bearing or composure. Instability is the opposite, suggesting a lack of balance or steadiness.

Propel means to drive or push something forward. Repel is the opposite, meaning to drive something away.

A particle is a tiny portion or small piece of matter. Bulk refers to the mass or large size of something, making it a suitable antonym in this context.

Panic is a sudden uncontrollable fear or anxiety. Serenity is the opposite, representing a state of being calm, peaceful, and untroubled.

Proletarian means relating to proletariat (working-class people regarded collectively).
Aristocratic means belonging to aristocracy (people of noble birth holding hereditary titles and offices). 

Parsimonious means unwilling to spend money or use resources; stingy. Generous is the direct antonym, meaning showing a readiness to give more of something than is strictly necessary.

Prolix means using too many words; wordy. Concise is the antonym, meaning giving a lot of information clearly and in a few words.

Propitiate means to win or regain the favor of someone by doing something that pleases them. Provoke is the antonym, meaning to deliberately make someone annoyed or angry.

Prominent means important, famous, or noticeable. Inconspicuous is the antonym, meaning not clearly visible or attracting attention.

Protract means to prolong or extend the duration of something. Curtail is the antonym, meaning to reduce in extent or quantity; to impose a restriction on.