Question

What level of stress is suitable for optimal performance?

• A. High level of stress
• B. Low level of stress
• C. Moderate level of stress
• D. No stress

Hint:

Think of the inverted-U curve.

Answer 1

The Correct Option is C

Step 1: Picture the graph.
Plot stress on the horizontal axis and performance on the vertical axis. The line rises, peaks, then falls, like an arch.

Step 2: Find the peak.
The top of the arch sits in the middle of the stress scale, not at either end.

Step 3: Left end of the graph.
Zero or very low stress gives low alertness and weak effort. Options 2 and 4 sit here, so both are wrong.

Step 4: Right end of the graph.
Very high stress brings panic and mistakes. Option 1 sits here, so it is wrong.

Step 5: The middle.
A moderate level keeps us alert and ready without being overloaded. This is option 3.

Step 6: Real life check.
A little pressure before an exam helps us revise well, but too much leaves the mind blank. This supports option 3.

Final Answer:
The peak of the arch is a moderate stress level, option 3.\[ \boxed{\text{Moderate level of stress}} \]