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. A country plans to increase its national park area by 15% each year. If the current area is 200 square kilometers, what will be the area after 1 year? (2023)
A.
230
B.
240
C.
250
D.
260
Solution
Area after 1 year = 200 * 1.15 = 230 square kilometers.
Q. A country plans to reduce its carbon emissions by 10% each year. If the current emissions are 500 tons, what will be the emissions after 1 year? (2022)
A.
450 tons
B.
400 tons
C.
500 tons
D.
550 tons
Solution
Emissions after 1 year = 500 - (10% of 500) = 500 - 50 = 450 tons.
Q. A country signed a treaty that will reduce its carbon emissions by 30%. If its current emissions are 2 million tons, what will be the new emissions after the reduction?
A.
1.4 million tons
B.
1.5 million tons
C.
1.6 million tons
D.
1.7 million tons
Solution
New emissions = Current emissions - (30% of Current emissions) = 2 million tons - (0.3 * 2 million tons) = 1.4 million tons.
Q. A data set has a mean of 20 and a variance of 16. What is the range of the data if it is normally distributed? (2023)
A.
8
B.
16
C.
32
D.
64
Solution
In a normal distribution, approximately 95% of the data lies within 2 standard deviations from the mean. SD = √16 = 4. Range = 20 ± 2*4 = 20 ± 8 = 12 to 28.
Q. A diet consists of 60% carbohydrates, 25% proteins, and 15% fats. If the total caloric intake is 2000 calories, how many calories come from fats? (2020)
A.
300
B.
400
C.
500
D.
600
Solution
Calories from fats = 15% of 2000 = 0.15 * 2000 = 300 calories.
Q. A farmer has a rectangular field of dimensions 50 m by 30 m. If he wants to irrigate it with water from a river, how much water is needed to cover the field to a depth of 0.1 m? (2023)
A.
150 m³
B.
300 m³
C.
500 m³
D.
100 m³
Solution
Volume of water needed = Area × Depth = (50 m × 30 m) × 0.1 m = 150 m³.
Q. A food item contains 10 grams of carbohydrates, 5 grams of protein, and 2 grams of fat. How many total calories does this food item provide? (Carbohydrates = 4 cal/g, Protein = 4 cal/g, Fat = 9 cal/g) (2022)
