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 synonym of 'vigilant'?
A.
careless
B.
alert
C.
indifferent
D.
unaware
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Solution
'Vigilant' means keeping careful watch for possible danger or difficulties; hence, the synonym is 'alert'.
Correct Answer:
B
— alert
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Q. What is the term duration for a member of the Rajya Sabha?
A.
3 years
B.
5 years
C.
6 years
D.
4 years
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Solution
Members of the Rajya Sabha serve a term of 6 years, with one-third of the members retiring every two years.
Correct Answer:
C
— 6 years
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Q. What is the term for a large body of saltwater that is smaller than an ocean? (2019)
A.
Sea
B.
Lake
C.
River
D.
Bay
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Solution
A large body of saltwater that is smaller than an ocean is called a sea.
Correct Answer:
A
— Sea
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Q. What is the term for the amount of water vapor present in the air?
A.
Humidity
B.
Precipitation
C.
Evaporation
D.
Condensation
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Solution
Humidity refers to the amount of water vapor present in the air.
Correct Answer:
A
— Humidity
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Q. What is the term for the area of land that drains water into a river?
A.
Watershed
B.
Floodplain
C.
Estuary
D.
Delta
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Solution
A watershed is the area of land that drains water into a river, collecting precipitation and runoff.
Correct Answer:
A
— Watershed
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Q. What is the term for the average weather conditions in a particular area over a long period? (2019)
A.
Weather
B.
Climate
C.
Atmosphere
D.
Meteorology
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Solution
Climate refers to the average weather conditions in a particular area over a long period, typically 30 years or more.
Correct Answer:
B
— Climate
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Q. What is the term for the boundary between two different air masses?
A.
Front
B.
Trough
C.
Ridge
D.
Wave
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Solution
The boundary between two different air masses is called a front.
Correct Answer:
A
— Front
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Q. What is the term for the boundary between two tectonic plates?
A.
Fault line
B.
Plate boundary
C.
Seismic zone
D.
Epicenter
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Solution
The term for the boundary between two tectonic plates is called a Plate boundary.
Correct Answer:
B
— Plate boundary
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Q. What is the term for the change of state from liquid to solid?
A.
Melting
B.
Freezing
C.
Condensation
D.
Sublimation
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Solution
Freezing is the process where a liquid changes into a solid.
Correct Answer:
B
— Freezing
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Q. What is the term for the movement of water through a plant?
A.
Translocation
B.
Transpiration
C.
Absorption
D.
Diffusion
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Solution
Transpiration refers to the process of water movement through a plant and its evaporation from aerial parts, especially leaves.
Correct Answer:
B
— Transpiration
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Q. What is the term for the phenomenon where warm air rises and cool air sinks?
A.
Convection
B.
Conduction
C.
Radiation
D.
Advection
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Solution
The phenomenon where warm air rises and cool air sinks is called Convection.
Correct Answer:
A
— Convection
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Q. What is the term for the process by which water vapor turns into liquid water?
A.
Evaporation
B.
Condensation
C.
Precipitation
D.
Transpiration
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Solution
The process by which water vapor turns into liquid water is called Condensation.
Correct Answer:
B
— Condensation
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Q. What is the term of office for the members of the Rajya Sabha? (2019)
A.
3 years
B.
4 years
C.
5 years
D.
6 years
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Solution
Members of the Rajya Sabha serve a term of 6 years, with one-third of the members retiring every two years.
Correct Answer:
D
— 6 years
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Q. What is the term of the President of India as per the Constitution?
A.
4 years
B.
5 years
C.
6 years
D.
3 years
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Solution
The President of India is elected for a term of 5 years as per Article 56 of the Indian Constitution.
Correct Answer:
B
— 5 years
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Q. What is the threshold of hearing in decibels?
A.
0 dB
B.
10 dB
C.
20 dB
D.
30 dB
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Solution
The threshold of hearing is defined as 0 dB.
Correct Answer:
A
— 0 dB
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Q. What is the time difference between GMT and IST (Indian Standard Time)?
A.
4 hours 30 minutes
B.
5 hours 30 minutes
C.
6 hours 30 minutes
D.
7 hours 30 minutes
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Solution
IST is GMT + 5 hours 30 minutes.
Correct Answer:
B
— 5 hours 30 minutes
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Q. What is the time difference between two places located at 10°E and 20°E longitudes?
A.
15 minutes
B.
30 minutes
C.
1 hour
D.
2 hours
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Solution
The difference in longitude is |20° - 10°| = 10°. The time difference is 10 * 4 = 40 minutes.
Correct Answer:
C
— 1 hour
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Q. What is the time difference between two places located at 120 degrees East and 60 degrees West?
A.
8 hours
B.
9 hours
C.
10 hours
D.
11 hours
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Solution
The total difference in degrees is 120 + 60 = 180 degrees. The time difference is 180/15 = 12 hours.
Correct Answer:
C
— 10 hours
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Q. What is the time difference between two places located at 120°E and 60°W?
A.
8 hours
B.
9 hours
C.
10 hours
D.
11 hours
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Solution
The total difference in degrees is 120° + 60° = 180°. 180° * 4 minutes = 720 minutes = 12 hours. The time difference is 12 hours.
Correct Answer:
B
— 9 hours
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Q. What is the time difference between two places located at 120°W and 60°E?
A.
10 hours
B.
8 hours
C.
12 hours
D.
6 hours
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Solution
Total difference = 120° + 60° = 180°. Time difference = 180°/15° = 12 hours.
Correct Answer:
A
— 10 hours
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Q. What is the time difference between two places located at 15°E and 45°E longitudes?
A.
1 hour
B.
2 hours
C.
3 hours
D.
4 hours
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Solution
The difference in degrees is 45° - 15° = 30°. Since each 15° represents 1 hour, the time difference is 30°/15° = 2 hours.
Correct Answer:
B
— 2 hours
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Q. What is the time difference between two places located at 30°E and 30°W?
A.
2 hours
B.
4 hours
C.
6 hours
D.
8 hours
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Solution
The total angular distance is 30° + 30° = 60°. The time difference is 60 / 15 = 4 hours.
Correct Answer:
C
— 6 hours
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Q. What is the time difference between two places located at 45° E and 45° W longitudes? (2022)
A.
3 hours
B.
6 hours
C.
9 hours
D.
12 hours
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Solution
The total difference is 45 + 45 = 90 degrees. Therefore, the time difference is 90/15 = 6 hours.
Correct Answer:
C
— 9 hours
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Q. What is the time difference between two places located at 60°E and 30°W?
A.
6 hours
B.
7 hours
C.
8 hours
D.
9 hours
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Solution
The total difference in degrees is 60° + 30° = 90°. Therefore, the time difference is 90° / 15° = 6 hours.
Correct Answer:
C
— 8 hours
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Q. What is the time difference between two places located at 75 degrees East and 15 degrees West longitude? (2020)
A.
6 hours
B.
8 hours
C.
10 hours
D.
12 hours
Show solution
Solution
The total difference in longitude is 75 + 15 = 90 degrees. Therefore, the time difference is 90/15 = 6 hours.
Correct Answer:
B
— 8 hours
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Q. What is the time difference between two places located at 75° West and 45° West longitudes? (2020)
A.
2 hours
B.
3 hours
C.
4 hours
D.
5 hours
Show solution
Solution
The difference in longitude is 75 - 45 = 30 degrees. 30/15 = 2 hours.
Correct Answer:
B
— 3 hours
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Q. What is the time difference between two places located at longitudes 30°E and 90°E? (2021)
A.
2 hours
B.
3 hours
C.
4 hours
D.
5 hours
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Solution
The time difference is calculated as (90° - 30°) / 15° = 4 hours. Therefore, the answer is 4 hours.
Correct Answer:
C
— 4 hours
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Q. What is the total area of India in square kilometers? (2021)
A.
3.287 million
B.
2.973 million
C.
3.287 billion
D.
2.973 billion
Show solution
Solution
The total area of India is approximately 3.287 million square kilometers.
Correct Answer:
A
— 3.287 million
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Q. What is the total capacitance of two capacitors of 2 µF and 3 µF connected in series? (2023)
A.
1.2 µF
B.
5 µF
C.
6 µF
D.
0.86 µF
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Solution
For capacitors in series, 1/C_total = 1/C1 + 1/C2. Thus, 1/C_total = 1/2 + 1/3 = 5/6, so C_total = 1.2 µF.
Correct Answer:
A
— 1.2 µF
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Q. What is the total capacitance of two capacitors of 3 µF and 6 µF connected in parallel?
A.
2 µF
B.
3 µF
C.
9 µF
D.
18 µF
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Solution
In parallel, the total capacitance is the sum: C_total = C1 + C2 = 3 µF + 6 µF = 9 µF.
Correct Answer:
C
— 9 µF
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