Explanation

• Gratis means something given without payment or free of cost.
• It is commonly used in formal or academic language for “free service or item.”

Additional information:

• Hedonist: A person who believes in pleasure as the most important goal of life.
• Stoic: A person who controls emotions and accepts pain or hardship calmly.

Last verified on 05-06-2026

Explanation

• A Barr body is a densely staining structure found in the nuclei of female somatic cells.
• It represents an inactive X chromosome.
• It is visible during the interphase stage of the cell cycle.
• It helps in dosage compensation between males and females.

Last verified on 04-06-2026

Explanation

• A stoic is a person who remains calm and unaffected by pain, pleasure, or emotions.
• Stoicism is a philosophy that teaches self-control and endurance.
• Such people face difficulties without excessive complaint or excitement.
• The term originates from ancient Greek philosophy.

Last verified on 04-06-2026

Explanation

• An Autobiography is the life story of a person written by himself.
• Autobiography means آپ بیتی, سوانح حیات
• It includes personal experiences, achievements, and events of life.
• The word comes from Greek: auto (self) + bio (life) + graphy (writing).
• It is different from a biography, which is written by someone else.
• Autobiographies help readers understand a person’s real life journey.

Last verified on 02-06-2026

Explanation

• Penology is the study of punishment and prison systems.
• It focuses on crime prevention, prison management, and rehabilitation of criminals.
• It is a branch of criminology dealing with law and justice.

Last verified on 30-05-2026