UPSC National Defence Academy (NDA) MCQs

Prepare for the UPSC National Defence Academy (NDA) exam with a vast collection of multiple-choice questions (MCQs). These practice questions cover critical subjects like Mathematics, General Ability, and English, designed to mirror the actual exam pattern. By practicing with these MCQs, candidates can sharpen their problem-solving skills, improve speed and accuracy, and familiarize themselves with the exam format. Whether you're preparing for the written exam or revising key concepts, these NDA MCQs will help you build confidence and boost your chances of success in the UPSC NDA exam, paving the way for a prestigious career in the Indian Armed Forces.
NDA NA MCQs Part 2

Q1. What is the value of sin 30Β°?

Correct Answer: A

sin 30Β° is 0.5.

Q2. Simplify: (3x^2)(4x^3)

Correct Answer: C

Product is 3*4 =12 and x^(2+3) = x^5.

Q3. Who was the first President of India?

Correct Answer: A

Rajendra Prasad was the first president.

Q4. What is the chemical formula of water?

Correct Answer: A

Water’s formula is H2O.

Q5. The speed of light is approximately:

Correct Answer: A

Speed of light is 3 x 10^8 meters per second.

Q6. Which organ in the human body is responsible for pumping blood?

Correct Answer: B

Heart pumps blood.

Q7. What is the total number of planets in the solar system?

Correct Answer: A

Till date, 8 planets are recognized.

Q8. Which gas is essential for respiration?

Correct Answer: A

Oxygen is essential for respiration.

Q9. What is the next prime number after 17?

Correct Answer: A

19 is the next prime number.

Q10. Who wrote the Indian National Anthem?

Correct Answer: A

Rabindranath Tagore wrote it.

Q11. What is the freezing point of water in Celsius?

Correct Answer: A

Water freezes at 0Β°C.

Q12. Which element has the chemical symbol "Na"?

Correct Answer: A

Na stands for Sodium.

Q13. What is the value of pi (Ο€) approximately?

Correct Answer: A

Pi is approximately 3.1416.

Q14. What is the smallest prime number?

Correct Answer: C

2 is the smallest prime.

Q15. Which is the largest continent by area?

Correct Answer: B

Asia is the largest continent.

Q16. Which of the following is not a renewable resource?

Correct Answer: C

Coal is non-renewable.

Q17. What is the square root of 64?

Correct Answer: C

Square root of 64 is 8.

Q18. Who discovered the theory of relativity?

Correct Answer: B

Einstein discovered the theory.

Q19. In which organelle does photosynthesis occur?

Correct Answer: A

Photosynthesis occurs in chloroplast.

Q20. What does DNA stand for?

Correct Answer: A

DNA stands for Deoxyribonucleic acid.

Q21. Which gas makes up most of the Earth’s atmosphere?

Correct Answer: B

Nitrogen is the major component.

Q22. What is the chemical formula of table salt?

Correct Answer: A

Table salt is NaCl.

Q23. Which planet is known as the β€œRed Planet”?

Correct Answer: A

Mars is the Red Planet.

Q24. Which country is the largest producer of tea?

Correct Answer: B

China leads in tea production.

Q25. What is the largest internal organ of the human body?

Correct Answer: B

Liver is largest internal organ.

Q26. Which vitamin is essential for blood clotting?

Correct Answer: B

Vitamin K helps clot blood.

Q27. How many members are there in the Rajya Sabha?

Correct Answer: C

Rajya Sabha has 245 elected plus 12 nominated members.

Q28. Who was the first Prime Minister of India?

Correct Answer: B

Nehru was the first PM.

Q29. What is the boiling point of water?

Correct Answer: C

Water boils at 100Β°C at sea level.

Q30. Which is India’s national animal?

Correct Answer: A

Tiger is the national animal.

Q31. Which part of the human body controls balance?

Correct Answer: A

Cerebellum controls balance.

Q32. Who founded the Maurya Empire?

Correct Answer: A

Chandragupta Maurya founded Maurya Empire.

Q33. Which is the smallest continent?

Correct Answer: A

Australia is the smallest continent.

Q34. Which vitamin helps in blood clotting?

Correct Answer: B

Vitamin K aids blood clotting.

Q35. Who was the author of the Indian National Anthem?

Correct Answer: B

Rabindranath Tagore wrote it.

Q36. What is the primary source of energy for the Earth?

Correct Answer: A

Solar energy is primary.

Q37. An equilateral triangle has sides of length 6 cm. What is the area?

Correct Answer: B

Area = (√3 / 4) Γ— sideΒ² = 6√3 cmΒ².

Q38. Who was the last Governor-General of India?

Correct Answer: B

C. Rajagopalachari was the last Governor-General.

Q39. Which gas is known as β€œlaughing gas”?

Correct Answer: A

Nitrous oxide is called laughing gas.

Q40. What is the sum of interior angles of a hexagon?

Correct Answer: A

Sum of interior angles = (n-2)*180 = 720Β° for hexagon.

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