Applications of Derivatives MCQs Class 12 Maths
Applications of Derivatives MCQs Class 12 Maths
Class: CBSE Class 12 Mathematics
Subject: Mathematics
Section: Applications of Derivatives
Topic: Applications of Derivatives
Board: CBSE Board Examinations
Subject: Mathematics
Section: Applications of Derivatives
Topic: Applications of Derivatives
Board: CBSE Board Examinations
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 12 Board Examination standard practice.
Q1. Derivative is used to find:
Answer: B
Explanation: Slope of tangent.
Explanation: Slope of tangent.
Q2. Increasing function when derivative:
Answer: A
Explanation: Positive slope.
Explanation: Positive slope.
Q3. Decreasing function when derivative:
Answer: B
Explanation: Negative slope.
Explanation: Negative slope.
Q4. Critical point occurs when:
Answer: A
Explanation: Stationary point.
Explanation: Stationary point.
Q5. Maximum occurs when derivative changes:
Answer: A
Explanation: Peak point.
Explanation: Peak point.
Q6. Minimum occurs when derivative changes:
Answer: B
Explanation: Valley point.
Explanation: Valley point.
Q7. Second derivative positive implies:
Answer: B
Explanation: Concave up.
Explanation: Concave up.
Q8. Tangent slope at point given by:
Answer: B
Explanation: First derivative.
Explanation: First derivative.
Q9. Normal slope =
Answer: A
Explanation: Perpendicular slope rule.
Explanation: Perpendicular slope rule.
Q10. Point of inflection when:
Answer: A
Explanation: Concavity change.
Explanation: Concavity change.
Q11. Optimization uses:
Answer: A
Explanation: Max/min problems.
Explanation: Max/min problems.
Q12. Increasing interval when:
Answer: A
Explanation: Positive slope.
Explanation: Positive slope.
Q13. Decreasing interval when:
Answer: B
Explanation: Negative slope.
Explanation: Negative slope.
Q14. Horizontal tangent when:
Answer: A
Explanation: Zero slope.
Explanation: Zero slope.
Q15. Concave down when:
Answer: A
Explanation: Negative second derivative.
Explanation: Negative second derivative.
Q16. Rate problems use:
Answer: A
Explanation: Related rates.
Explanation: Related rates.
Q17. Tangent perpendicular ⇒ slopes:
Answer: A
Explanation: Perpendicular condition.
Explanation: Perpendicular condition.
Q18. Optimization finds:
Answer: A
Explanation: Max/min outcome.
Explanation: Max/min outcome.
Q19. Second derivative test checks:
Answer: A
Explanation: Max or min.
Explanation: Max or min.
Q20. Applications study:
Answer: A
Explanation: Practical usage of derivatives.
Explanation: Practical usage of derivatives.