UPSC Naval Academy NA

Practice the most important UPSC Naval Academy NA MCQs with answers and detailed explanations to improve your preparation.

Q31. Which planet is closest to the Sun?

📘 View Explanation

Q32. Which element has the chemical symbol "O"?

📘 View Explanation

Q33. Which is the largest ocean on Earth?

📘 View Explanation

Q34. What is the speed of sound?

📘 View Explanation

Q35. Which country is the largest producer of rice?

📘 View Explanation

Q36. Which is the national bird of India?

📘 View Explanation

Q37. What is the chemical symbol of oxygen?

📘 View Explanation

Q38. What is measured in decibels?

📘 View Explanation

Q39. Calculate the area of a triangle with base 10 cm and height 5 cm.

📘 View Explanation

Q40. Which is the smallest bone in the human body?

📘 View Explanation