Defence Exams MCQ & Objective Questions
Defence Exams play a crucial role in shaping the future of aspiring candidates in India. These exams not only assess knowledge but also test the ability to apply concepts in real-world scenarios. Practicing MCQs and objective questions is essential for effective exam preparation, as it helps students identify important questions and enhances their understanding of key topics.
What You Will Practise Here
Fundamentals of Defence Studies
Key Historical Events and Their Impact
Important Defence Policies and Strategies
Current Affairs Related to National Security
Basic Concepts of Military Operations
Understanding Defence Technologies
Analysing Defence Budget and Expenditure
Exam Relevance
The topics covered in Defence Exams are highly relevant across various educational boards, including CBSE and State Boards, as well as competitive exams like NEET and JEE. Students can expect questions that focus on historical events, current affairs, and fundamental concepts related to defence. Common question patterns include multiple-choice questions that assess both theoretical knowledge and practical application.
Common Mistakes Students Make
Overlooking current affairs, which are often integrated into exam questions.
Confusing similar historical events or dates, leading to incorrect answers.
Neglecting the importance of definitions and key terms in objective questions.
Relying solely on rote memorization instead of understanding concepts.
FAQs
Question: What types of questions can I expect in Defence Exams?Answer: You can expect a mix of MCQs covering historical events, current affairs, and fundamental concepts related to defence.
Question: How can I improve my performance in Defence Exams?Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.
Start your journey towards success by solving practice MCQs today! Testing your understanding will not only boost your confidence but also prepare you for the important Defence Exams ahead.
Q. What is the maximum value of f(x) = -3x^2 + 12x - 5? (2019)
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Solution
The vertex is at x = -12/(2*(-3)) = 2. The maximum value is f(2) = -3(2^2) + 12(2) - 5 = 7.
Correct Answer:
C
— 7
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Q. What is the maximum value of the function f(x) = -2x^2 + 8x - 5? (2019)
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Solution
The vertex occurs at x = -b/(2a) = 2. f(2) = -2(2^2) + 8(2) - 5 = 9.
Correct Answer:
B
— 9
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Q. What is the mean of the following data set: 4, 8, 6, 5, 3? (2021)
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Solution
Mean = (4 + 8 + 6 + 5 + 3) / 5 = 26 / 5 = 5.2, rounded down to 5.
Correct Answer:
C
— 6
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Q. What is the meaning of the idiom 'a blessing in disguise'? (2022)
A.
A misfortune that results in something good
B.
A hidden danger
C.
A false promise
D.
A secret gift
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Solution
'A blessing in disguise' refers to something that seems bad at first but results in something good.
Correct Answer:
A
— A misfortune that results in something good
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Q. What is the meaning of the idiom 'costs an arm and a leg'? (2020)
A.
Very expensive
B.
Very cheap
C.
Very difficult
D.
Very easy
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Solution
'Costs an arm and a leg' means something is very expensive.
Correct Answer:
A
— Very expensive
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Q. What is the meaning of the idiom 'once in a blue moon'? (2022)
A.
Very rarely
B.
Very often
C.
Every month
D.
Every year
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Solution
'Once in a blue moon' means something that happens very rarely.
Correct Answer:
A
— Very rarely
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Q. What is the meaning of the idiom 'spill the beans'? (2019)
A.
To reveal a secret
B.
To waste resources
C.
To make a mess
D.
To cook poorly
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Solution
'Spill the beans' means to disclose confidential information or secrets.
Correct Answer:
A
— To reveal a secret
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Q. What is the meaning of the idiom 'the ball is in your court'? (2020)
A.
It is your turn to make a decision
B.
You are in trouble
C.
You are being watched
D.
You are not responsible
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Solution
'The ball is in your court' means it is your responsibility to take action or make a decision.
Correct Answer:
A
— It is your turn to make a decision
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Q. What is the meaning of the idiom 'to break the ice'? (2021)
A.
To start a conversation in a social setting
B.
To cause a delay
C.
To make a mistake
D.
To end a relationship
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Solution
'To break the ice' means to initiate conversation in a social situation, especially among strangers.
Correct Answer:
A
— To start a conversation in a social setting
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Q. What is the meaning of the idiom 'to burn the midnight oil'? (2023)
A.
To work late into the night
B.
To waste time
C.
To be lazy
D.
To take a break
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Solution
'To burn the midnight oil' means to stay up late working or studying.
Correct Answer:
A
— To work late into the night
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Q. What is the meaning of the idiom 'to throw in the towel'?
A.
To give up
B.
To start something new
C.
To celebrate
D.
To work harder
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Solution
'To throw in the towel' means to give up or admit defeat.
Correct Answer:
A
— To give up
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Q. What is the meaning of the phrase 'a blessing in disguise'? (2020)
A.
Something that seems bad but is actually good
B.
A hidden talent
C.
A fortunate event
D.
An unexpected gift
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Solution
'A blessing in disguise' refers to an apparent misfortune that results in something good.
Correct Answer:
A
— Something that seems bad but is actually good
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Q. What is the meaning of the phrase 'costs an arm and a leg'? (2022)
A.
Very cheap
B.
Very expensive
C.
Very easy
D.
Very difficult
Show solution
Solution
'Costs an arm and a leg' means something is very expensive.
Correct Answer:
B
— Very expensive
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Q. What is the meaning of the phrase 'hit the nail on the head'?
A.
To make a mistake
B.
To be exactly right
C.
To work hard
D.
To be very angry
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Solution
'Hit the nail on the head' means to describe exactly what is causing a situation or problem.
Correct Answer:
B
— To be exactly right
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Q. What is the meaning of the phrase 'let the cat out of the bag'? (2023)
A.
To reveal a secret
B.
To adopt a pet
C.
To be careless
D.
To lose something
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Solution
'Let the cat out of the bag' means to accidentally reveal a secret.
Correct Answer:
A
— To reveal a secret
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Q. What is the meaning of the phrase 'once in a blue moon'? (2023)
A.
Very often
B.
Rarely
C.
Every month
D.
At night
Show solution
Solution
'Once in a blue moon' refers to something that happens very rarely.
Correct Answer:
B
— Rarely
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Q. What is the meaning of the phrase 'the ball is in your court'? (2019)
A.
You are responsible for the next step
B.
You are in trouble
C.
You have a choice to make
D.
You are being watched
Show solution
Solution
'The ball is in your court' means it is your turn to take action or make a decision.
Correct Answer:
A
— You are responsible for the next step
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Q. What is the meaning of the phrase 'to throw in the towel'? (2019)
A.
To give up
B.
To start over
C.
To take a break
D.
To ask for help
Show solution
Solution
'To throw in the towel' means to admit defeat or give up on a task.
Correct Answer:
A
— To give up
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Q. What is the measure of an angle that is supplementary to a 75-degree angle? (2019)
A.
105 degrees
B.
75 degrees
C.
90 degrees
D.
45 degrees
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Solution
Supplementary angles sum to 180 degrees. Therefore, the angle is 180 - 75 = 105 degrees.
Correct Answer:
A
— 105 degrees
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Q. What is the measure of an angle that is supplementary to an angle measuring 110 degrees?
A.
70 degrees
B.
80 degrees
C.
90 degrees
D.
100 degrees
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Solution
Supplementary angles sum up to 180 degrees. Therefore, the angle measures 180 - 110 = 70 degrees.
Correct Answer:
A
— 70 degrees
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Q. What is the measure of an exterior angle of a triangle if the two opposite interior angles are 50 degrees and 60 degrees?
A.
70 degrees
B.
80 degrees
C.
90 degrees
D.
100 degrees
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Solution
The exterior angle of a triangle is equal to the sum of the two opposite interior angles. Therefore, the exterior angle = 50 + 60 = 110 degrees.
Correct Answer:
B
— 80 degrees
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Q. What is the measure of each angle in a pair of complementary angles if one angle is 30 degrees?
A.
60 degrees
B.
90 degrees
C.
30 degrees
D.
150 degrees
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Solution
Complementary angles sum up to 90 degrees. If one angle is 30 degrees, the other angle is 90 - 30 = 60 degrees.
Correct Answer:
A
— 60 degrees
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Q. What is the measure of each angle in a regular hexagon? (2019)
A.
120 degrees
B.
90 degrees
C.
60 degrees
D.
150 degrees
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Solution
The measure of each interior angle in a regular hexagon can be calculated using the formula (n-2) * 180/n, where n is the number of sides. For a hexagon, n=6, so the measure is (6-2) * 180/6 = 120 degrees.
Correct Answer:
A
— 120 degrees
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Q. What is the measure of each angle in a regular quadrilateral? (2019)
A.
90 degrees
B.
60 degrees
C.
120 degrees
D.
180 degrees
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Solution
A regular quadrilateral is a square, and each angle in a square measures 90 degrees.
Correct Answer:
A
— 90 degrees
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Q. What is the measure of each angle in a square? (2023)
A.
90 degrees
B.
60 degrees
C.
120 degrees
D.
45 degrees
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Solution
Each angle in a square measures 90 degrees.
Correct Answer:
A
— 90 degrees
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Q. What is the measure of each angle in a triangle if one angle is 40 degrees and the other is 60 degrees? (2019)
A.
80 degrees
B.
100 degrees
C.
120 degrees
D.
140 degrees
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Solution
The sum of angles in a triangle is always 180 degrees. If one angle is 40 degrees and another is 60 degrees, the third angle is 180 - (40 + 60) = 80 degrees.
Correct Answer:
A
— 80 degrees
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Q. What is the measure of each angle in a triangle if one angle is 50 degrees and the other is 60 degrees? (2019)
A.
70 degrees
B.
80 degrees
C.
90 degrees
D.
100 degrees
Show solution
Solution
The sum of angles in a triangle is 180 degrees. Therefore, the third angle = 180 - (50 + 60) = 70 degrees.
Correct Answer:
A
— 70 degrees
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Q. What is the measure of the exterior angle of a triangle if the interior angles are 50 degrees and 60 degrees? (2021)
A.
70 degrees
B.
80 degrees
C.
90 degrees
D.
100 degrees
Show solution
Solution
The exterior angle of a triangle is equal to the sum of the two opposite interior angles. Therefore, the exterior angle = 50 + 60 = 110 degrees.
Correct Answer:
B
— 80 degrees
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Q. What is the measure of the exterior angle of a triangle if the two interior opposite angles are 50 degrees and 60 degrees? (2023)
A.
110 degrees
B.
100 degrees
C.
120 degrees
D.
130 degrees
Show solution
Solution
The exterior angle of a triangle is equal to the sum of the two opposite interior angles. Therefore, the exterior angle = 50 + 60 = 110 degrees.
Correct Answer:
A
— 110 degrees
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Q. What is the median of the following data set: 12, 15, 14, 10, 18? (2023)
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Solution
First, arrange the data in ascending order: 10, 12, 14, 15, 18. The median is the middle value, which is 14.
Correct Answer:
B
— 14
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