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. Which of the following is equivalent to log_2(32)?
Show solution
Solution
log_2(32) = log_2(2^5) = 5.
Correct Answer:
B
— 5
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Q. Which of the following is NOT a characteristic of the Earth's crust?
A.
Thinnest layer
B.
Solid state
C.
Rich in metals
D.
Liquid state
Show solution
Solution
The Earth's crust is solid and is the thinnest layer, unlike the outer core which is in a liquid state.
Correct Answer:
D
— Liquid state
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Q. Which of the following is NOT a characteristic of the Earth's inner core? (2019)
A.
Solid state
B.
Composed of iron and nickel
C.
Liquid state
D.
High temperature
Show solution
Solution
The Earth's inner core is in a solid state, composed mainly of iron and nickel, despite the high temperature.
Correct Answer:
C
— Liquid state
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Q. Which of the following is NOT a characteristic of the Earth's outer core? (2023)
A.
Liquid state
B.
Composed of iron and nickel
C.
Responsible for magnetic field
D.
Solid state
Show solution
Solution
The outer core is in a liquid state, not solid, and is responsible for generating the Earth's magnetic field.
Correct Answer:
D
— Solid state
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Q. Which of the following is NOT a duty of a citizen as per Article 51A?
A.
To uphold the sovereignty and integrity of India
B.
To defend the country
C.
To pay income tax
D.
To promote scientific temper
Show solution
Solution
While paying taxes is a legal obligation, it is not listed as a Fundamental Duty under Article 51A.
Correct Answer:
C
— To pay income tax
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Q. Which of the following is NOT a function of the smooth endoplasmic reticulum?
A.
Lipid synthesis
B.
Detoxification of drugs
C.
Protein synthesis
D.
Calcium ion storage
Show solution
Solution
The smooth endoplasmic reticulum is involved in lipid synthesis, detoxification, and calcium storage, but not protein synthesis.
Correct Answer:
C
— Protein synthesis
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Q. Which of the following is NOT a Fundamental Duty as per Article 51A of the Indian Constitution?
A.
To promote harmony
B.
To safeguard public property
C.
To pay taxes
D.
To protect the environment
Show solution
Solution
Paying taxes is a legal obligation but not listed as a Fundamental Duty under Article 51A.
Correct Answer:
C
— To pay taxes
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Q. Which of the following is NOT a Fundamental Duty as per Article 51A?
A.
To promote harmony
B.
To safeguard public property
C.
To vote in elections
D.
To protect the environment
Show solution
Solution
Voting in elections is a civic duty but not listed as a Fundamental Duty under Article 51A of the Constitution.
Correct Answer:
C
— To vote in elections
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Q. Which of the following is NOT a Fundamental Duty under Article 51A?
A.
To promote harmony
B.
To safeguard public property
C.
To pay taxes
D.
To protect the environment
Show solution
Solution
Paying taxes is a legal obligation but is not listed as a Fundamental Duty under Article 51A of the Constitution.
Correct Answer:
C
— To pay taxes
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Q. Which of the following is NOT a fundamental duty under the Indian Constitution?
A.
To promote harmony
B.
To safeguard public property
C.
To vote in elections
D.
To protect the environment
Show solution
Solution
Voting in elections is a right and not a fundamental duty as per Article 51A of the Indian Constitution.
Correct Answer:
C
— To vote in elections
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Q. Which of the following is NOT a Fundamental Right in India?
A.
Right to Equality
B.
Right to Freedom
C.
Right to Property
D.
Right to Constitutional Remedies
Show solution
Solution
The Right to Property was removed from the list of Fundamental Rights and is now a legal right under Article 300A.
Correct Answer:
C
— Right to Property
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Q. Which of the following is NOT a fundamental right under the Indian Constitution?
A.
Right to Equality
B.
Right to Freedom
C.
Right to Property
D.
Right against Exploitation
Show solution
Solution
The Right to Property was removed from the list of Fundamental Rights and is now a legal right under Article 300A.
Correct Answer:
C
— Right to Property
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Q. Which of the following is NOT a Fundamental Right? (2019)
A.
Right to Education
B.
Right to Work
C.
Right to Privacy
D.
Right to Freedom of Speech
Show solution
Solution
The Right to Work is not explicitly mentioned as a Fundamental Right in the Constitution.
Correct Answer:
B
— Right to Work
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Q. Which of the following is NOT a macromolecule? (2021)
A.
Proteins
B.
Carbohydrates
C.
Lipids
D.
Water
Show solution
Solution
Water is a small molecule and not classified as a macromolecule, while proteins, carbohydrates, and lipids are.
Correct Answer:
D
— Water
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Q. Which of the following is NOT a macronutrient for plants?
A.
Nitrogen
B.
Phosphorus
C.
Potassium
D.
Iron
Show solution
Solution
Iron is considered a micronutrient, while nitrogen, phosphorus, and potassium are macronutrients essential for plant growth.
Correct Answer:
D
— Iron
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Q. Which of the following is NOT a part of the Directive Principles of State Policy? (2012)
A.
Right to Work
B.
Right to Education
C.
Right to Health
D.
Right to Property
Show solution
Solution
The Right to Property is not a Directive Principle; it was removed from the Fundamental Rights and is now a legal right.
Correct Answer:
D
— Right to Property
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Q. Which of the following is not a rational number? (2023)
Show solution
Solution
√3 is an irrational number, while 1/2, 0, and 3 are rational.
Correct Answer:
C
— √3
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Q. Which of the following is NOT a reason for the existence of time zones? (2019)
A.
Earth's rotation
B.
Political boundaries
C.
Latitude differences
D.
Geographical features
Show solution
Solution
Time zones are primarily based on longitude and the Earth's rotation, not latitude differences.
Correct Answer:
C
— Latitude differences
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Q. Which of the following is NOT a type of seismic wave? (2019)
A.
P-wave
B.
S-wave
C.
L-wave
D.
T-wave
Show solution
Solution
T-wave is not a recognized type of seismic wave; the main types are P-waves, S-waves, and surface waves (L-waves).
Correct Answer:
D
— T-wave
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Q. Which of the following is the capital of India?
A.
Mumbai
B.
Delhi
C.
Kolkata
D.
Chennai
Show solution
Solution
Delhi is the capital of India.
Correct Answer:
B
— Delhi
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Q. Which of the following is the conjugate of the complex number z = 2 - 3i?
A.
2 + 3i
B.
2 - 3i
C.
3 - 2i
D.
3 + 2i
Show solution
Solution
The conjugate of a complex number z = a + bi is given by z* = a - bi. Here, the conjugate is 2 + 3i.
Correct Answer:
A
— 2 + 3i
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Q. Which of the following is the conjugate of the complex number z = 5 - 2i? (2021)
A.
5 + 2i
B.
5 - 2i
C.
-5 + 2i
D.
-5 - 2i
Show solution
Solution
The conjugate of z = 5 - 2i is z* = 5 + 2i.
Correct Answer:
A
— 5 + 2i
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Q. Which of the following is the conjugate of the complex number z = 5 - 3i?
A.
5 + 3i
B.
5 - 3i
C.
3 - 5i
D.
3 + 5i
Show solution
Solution
The conjugate of a complex number z = a + bi is given by z* = a - bi. Here, the conjugate of 5 - 3i is 5 + 3i.
Correct Answer:
A
— 5 + 3i
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Q. Which of the following is the correct expansion of (x - 3)²?
A.
x² - 6x + 9
B.
x² + 6x + 9
C.
x² - 9
D.
x² - 3
Show solution
Solution
(x - 3)² = x² - 2(3)x + 3² = x² - 6x + 9.
Correct Answer:
A
— x² - 6x + 9
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Q. Which of the following is the correct expansion of (x - y)³?
A.
x³ - 3x²y + 3xy² - y³
B.
x³ - y³
C.
x³ - 3xy² + 3x²y - y³
D.
3x²y - 3xy²
Show solution
Solution
(x - y)³ = x³ - 3x²y + 3xy² - y³ by the binomial theorem.
Correct Answer:
A
— x³ - 3x²y + 3xy² - y³
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Q. Which of the following is the correct factorization of a² - b²?
A.
(a + b)(a - b)
B.
(a - b)(a - b)
C.
(a + b)(a + b)
D.
a² - 2ab + b²
Show solution
Solution
a² - b² = (a + b)(a - b) by the difference of squares identity.
Correct Answer:
A
— (a + b)(a - b)
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Q. Which of the following is the correct identity for (a - b)(a + b)? (2019)
A.
a² + b²
B.
a² - b²
C.
ab
D.
a - b
Show solution
Solution
(a - b)(a + b) = a² - b² by the difference of squares formula.
Correct Answer:
B
— a² - b²
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Q. Which of the following is the correct identity for (a - b)²?
A.
a² - 2ab + b²
B.
a² + 2ab + b²
C.
a² - b²
D.
2a² - 2b²
Show solution
Solution
(a - b)² = a² - 2ab + b² by the expansion of the square of a binomial.
Correct Answer:
A
— a² - 2ab + b²
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Q. Which of the following is the correct identity for (x + y + z)³?
A.
x³ + y³ + z³ + 3(x + y)(y + z)(z + x)
B.
x³ + y³ + z³ + 3xyz
C.
x³ + y³ + z³ + 3xy + 3yz + 3zx
D.
x³ + y³ + z³ - 3xyz
Show solution
Solution
(x + y + z)³ = x³ + y³ + z³ + 3xyz.
Correct Answer:
B
— x³ + y³ + z³ + 3xyz
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Q. Which of the following is the correct identity for (x + y)³?
A.
x³ + y³ + 3xy(x + y)
B.
x³ + y³ - 3xy(x + y)
C.
x³ + y³ + 3xy²
D.
x³ - y³
Show solution
Solution
(x + y)³ = x³ + y³ + 3xy(x + y) by the binomial expansion.
Correct Answer:
A
— x³ + y³ + 3xy(x + y)
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