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NDA MCQ & Objective Questions

The National Defence Academy (NDA) exam is a crucial stepping stone for students aspiring to join the Indian Armed Forces. It tests not only knowledge but also the ability to apply concepts effectively. Practicing NDA MCQs and objective questions is essential for enhancing your exam preparation, as it helps in identifying important questions and boosts confidence in tackling various subjects.

What You Will Practise Here

  • Mathematics: Key concepts, formulas, and problem-solving techniques.
  • General Knowledge: Current affairs, history, and geography relevant to NDA.
  • English: Grammar, comprehension, and vocabulary exercises.
  • Physics: Fundamental principles and application-based questions.
  • Chemistry: Important definitions, reactions, and theoretical concepts.
  • Logical Reasoning: Techniques for solving puzzles and analytical questions.
  • Military History: Significant events and figures in Indian military history.

Exam Relevance

The NDA exam is not only significant for aspiring defence candidates but also aligns with various school and competitive exams like CBSE, State Boards, NEET, and JEE. Questions often follow a pattern that includes multiple-choice formats, requiring students to apply their knowledge effectively. Understanding the common question types and formats will enhance your readiness for these exams.

Common Mistakes Students Make

  • Misinterpreting questions due to lack of careful reading.
  • Overlooking important formulas in Mathematics and Physics.
  • Confusing similar concepts in Chemistry and General Knowledge.
  • Neglecting to practice logical reasoning, leading to time management issues.
  • Failing to revise key definitions and terms in English and other subjects.

FAQs

Question: What are NDA MCQ questions?
Answer: NDA MCQ questions are multiple-choice questions designed to test your knowledge and understanding of various subjects relevant to the NDA exam.

Question: How can I prepare for NDA objective questions with answers?
Answer: Regular practice of NDA objective questions, along with reviewing answers and explanations, will help solidify your understanding and improve your performance.

Question: What are some important NDA questions for exams?
Answer: Important NDA questions often cover key concepts in Mathematics, General Knowledge, English, and Science, focusing on application and analytical skills.

Start your journey towards success by solving NDA practice MCQs today! Testing your understanding through these objective questions will not only prepare you for the exam but also build your confidence to excel.

Q. What is the derivative of f(x) = x^2 * sin(x)? (2023)
  • A. 2x * sin(x) + x^2 * cos(x)
  • B. 2x * cos(x) + x^2 * sin(x)
  • C. 2x * sin(x) - x^2 * cos(x)
  • D. x^2 * sin(x) + 2x * cos(x)
Q. What is the derivative of f(x) = x^3 * e^x?
  • A. 3x^2 * e^x + x^3 * e^x
  • B. x^3 * e^x
  • C. 3x^2 * e^x
  • D. x^3 * e^(x+1)
Q. What is the derivative of f(x) = x^3 * ln(x)? (2023)
  • A. 3x^2 * ln(x) + x^2
  • B. 3x^2 * ln(x) + x^3/x
  • C. 3x^2 * ln(x) + 3x^2
  • D. 3x^2 * ln(x) + 1
Q. What is the derivative of f(x) = x^3 - 4x + 7? (2021)
  • A. 3x^2 - 4
  • B. 3x^2 + 4
  • C. x^2 - 4
  • D. 3x^2 - 7
Q. What is the derivative of f(x) = x^3 - 6x^2 + 9x?
  • A. 3x^2 - 12x + 9
  • B. 3x^2 - 6x + 9
  • C. 6x - 12
  • D. 3x^2 - 9
Q. What is the derivative of f(x) = x^4 - 6x^2 + 9? (2022)
  • A. 4x^3 - 12x
  • B. 4x^3 + 12x
  • C. 2x^3 - 6x
  • D. 2x^3 + 6x
Q. What is the derivative of the function f(x) = 3x^2 + 5x - 7? (2021)
  • A. 3x + 5
  • B. 6x + 5
  • C. 6x - 5
  • D. 3x^2 + 5
Q. What is the determinant of a 1x1 matrix [[5]]? (2021)
  • A. 0
  • B. 5
  • C. 10
  • D. 1
Q. What is the determinant of a 2x2 matrix A = [[a, b], [c, d]]? (2021)
  • A. ad - bc
  • B. ab + cd
  • C. ac + bd
  • D. ad + bc
Q. What is the determinant of a 2x2 matrix [[a, b], [c, d]]? (2020)
  • A. ad - bc
  • B. ab + cd
  • C. ac - bd
  • D. bc - ad
Q. What is the determinant of the matrix E = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the determinant of the matrix H = [[1, 1, 1], [1, 2, 3], [1, 3, 6]]?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the determinant of the matrix \( E = \begin{pmatrix} 1 & 1 & 1 \\ 1 & 2 & 3 \\ 1 & 3 & 6 \end{pmatrix} \)? (2023)
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the determinant of the matrix \( J = \begin{pmatrix} 5 & 6 \\ 7 & 8 \end{pmatrix} \)? (2021)
  • A. -2
  • B. 2
  • C. 3
  • D. 4
Q. What is the direction of the magnetic field around a current-carrying conductor? (2019)
  • A. From North to South
  • B. From South to North
  • C. Clockwise
  • D. Counterclockwise
Q. What is the directrix of the parabola defined by the equation y^2 = 20x?
  • A. x = -5
  • B. x = 5
  • C. y = 5
  • D. y = -5
Q. What is the distance between the points (0, 0) and (3, 4)?
  • A. 5
  • B. 4
  • C. 3
  • D. 6
Q. What is the distance between the points (0, 0) and (8, 6)?
  • A. 10
  • B. 12
  • C. 14
  • D. 8
Q. What is the distance between the points (0, 0) and (x, y) where x = 3 and y = 4? (2022)
  • A. 5
  • B. 4
  • C. 3
  • D. 6
Q. What is the distance between the points (2, 3) and (6, 7)?
  • A. 5
  • B. 6
  • C. 4
  • D. 7
Q. What is the distance between the points (3, 2) and (3, -2)?
  • A. 4
  • B. 5
  • C. 6
  • D. 3
Q. What is the distance between the points (3, 7) and (3, 1)?
  • A. 6
  • B. 5
  • C. 4
  • D. 3
Q. What is the distance between the points (5, 5) and (1, 1)?
  • A. 4√2
  • B. 5√2
  • C. 6
  • D. 7
Q. What is the distance between the points (6, 8) and (6, 2)?
  • A. 6
  • B. 5
  • C. 4
  • D. 3
Q. What is the effect called when sound waves spread out after passing through a narrow opening? (2019)
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Interference
Q. What is the effect of adding a base to a solution of a weak acid?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No change in pH
  • D. Increase in temperature
Q. What is the effect of adding a base to a solution of hydrochloric acid?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No effect
  • D. Formation of salt only
Q. What is the effect of adding a base to an acidic solution?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No effect
  • D. Formation of salt only
Q. What is the effect of adding a strong acid to a solution of a weak base?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No effect
  • D. Increase in conductivity
Q. What is the effect of deforestation on local climate?
  • A. Increased rainfall
  • B. Decreased temperature
  • C. Increased temperature
  • D. No effect
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