Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Stressors
Option (1) Strain — Incorrect. Strain is the reaction to external stressors. Noise or crowding is the cause; strain is what follows in the person.
Option (2) Eustress — Incorrect. Eustress is the level of stress that is good for you and helps peak performance.
Option (3) Stressors — Correct. Stressors are events that make the body give the stress response. Noise, crowding, a bad relationship and daily commuting are the book's own examples of such events.
Option (4) Distress — Incorrect. Distress is the harmful form that eustress can turn into, and it causes the body's wear and tear. It is a state of stress.
NCERT (2026-27): “Nature of Stress |