MCQs on “Drone Technology and Its Applications in Civil and Defense Sectors” 

1. What is the primary purpose of drone technology in the civil sector?

A) Military surveillance
B) Agricultural monitoring
C) Air traffic control
D) Space exploration
Answer: B) Agricultural monitoring

2. Which technology is primarily used in drones for navigation?

A) GPS
B) Bluetooth
C) Wi-Fi
D) Infrared
Answer: A) GPS

3. Which of the following is a primary use of drones in the defense sector?

A) Environmental conservation
B) Military surveillance and reconnaissance
C) Delivery of goods
D) Traffic monitoring
Answer: B) Military surveillance and reconnaissance

4. What is the main benefit of drones in the agricultural sector?

A) Increased crop yield
B) Precision spraying of pesticides and fertilizers
C) Better soil quality
D) Reduced water usage
Answer: B) Precision spraying of pesticides and fertilizers

5. Which of the following is the most common drone used for surveillance in the defense sector?

A) Surveillance and reconnaissance drones
B) Hobbyist drones
C) Cargo drones
D) Search-and-rescue drones
Answer: A) Surveillance and reconnaissance drones

6. What is one of the major ethical concerns related to the use of drones in warfare?

A) High cost
B) Inaccuracy in targeting
C) Civilian casualties and privacy invasion
D) Limited battery life
Answer: C) Civilian casualties and privacy invasion

7. Which of the following organizations has been actively involved in promoting drone use for defense purposes in India?

A) DRDO (Defense Research and Development Organization)
B) ISRO (Indian Space Research Organization)
C) NITI Aayog
D) C-DAC
Answer: A) DRDO (Defense Research and Development Organization)

8. What type of drones is commonly used for search-and-rescue operations?

A) Heavy-lift drones
B) Tactical surveillance drones
C) Multirotor drones
D) Fixed-wing drones
Answer: C) Multirotor drones

9. In the civil sector, drones are primarily used for monitoring which of the following?

A) Traffic management
B) Geological surveys
C) Environmental monitoring and wildlife conservation
D) Urban planning
Answer: C) Environmental monitoring and wildlife conservation

10. Which of the following is a limitation of drone technology?

A) Unlimited flying time
B) High payload capacity
C) Limited battery life
D) Lack of precision
Answer: C) Limited battery life

11. What is one of the uses of drones in disaster management?

A) Conducting surveys of disaster areas
B) Preventing natural disasters
C) Offering medical treatment
D) Rebuilding infrastructure
Answer: A) Conducting surveys of disaster areas

12. Which of the following types of drones is commonly used in defense for long-range operations?

A) Fixed-wing drones
B) Multirotor drones
C) Hybrid drones
D) Cargo drones
Answer: A) Fixed-wing drones

13. What is the primary function of drones in the logistics and delivery sector?

A) Surveillance of the area
B) Delivering packages to remote locations
C) Environmental monitoring
D) High-resolution mapping
Answer: B) Delivering packages to remote locations

14. Which of the following regulatory bodies governs the use of drones in India?

A) NITI Aayog
B) DGCA (Directorate General of Civil Aviation)
C) ISRO
D) DRDO
Answer: B) DGCA (Directorate General of Civil Aviation)

15. Drones used for military surveillance typically carry what type of sensors?

A) Infrared sensors
B) GPS sensors
C) Gas sensors
D) Temperature sensors
Answer: A) Infrared sensors

16. Which of the following is a feature of drones used in military operations?

A) Ability to fly long distances
B) Ability to carry heavy payloads
C) Autonomous operation for precision strikes
D) High-resolution imaging
Answer: C) Autonomous operation for precision strikes

17. What is the role of drones in precision agriculture?

A) Harvesting crops
B) Planting seeds
C) Soil and crop health monitoring
D) None of the above
Answer: C) Soil and crop health monitoring

18. What is a limitation of drone use in densely populated urban areas?

A) Limited coverage area
B) Privacy and security concerns
C) Inability to fly at night
D) High production costs
Answer: B) Privacy and security concerns

19. Which of the following is a major concern regarding the military use of drones?

A) Lack of trained personnel
B) Impact on global power dynamics
C) Environmental degradation
D) Civilian casualties
Answer: D) Civilian casualties

20. Which feature makes drones suitable for agricultural monitoring?

A) Ability to transport heavy loads
B) Ability to travel large distances
C) High-resolution cameras and sensors
D) Long operational time
Answer: C) High-resolution cameras and sensors

21. What is the major challenge of using drones in the defense sector?

A) High operational costs
B) Lack of surveillance capability
C) Vulnerability to electronic warfare
D) Limited range
Answer: C) Vulnerability to electronic warfare

22. What is the key advantage of drones in border surveillance?

A) Long endurance
B) Cost-effective compared to satellites
C) Real-time data collection
D) All of the above
Answer: D) All of the above

23. How do drones contribute to environmental conservation efforts?

A) By reducing emissions
B) By monitoring deforestation and wildlife
C) By providing eco-friendly alternatives
D) By tracking climate change patterns
Answer: B) By monitoring deforestation and wildlife

24. In what area are drones NOT typically used?

A) Environmental monitoring
B) Military reconnaissance
C) Space exploration
D) Package delivery
Answer: C) Space exploration

25. What is the maximum allowable altitude for drone operations in India, as per the DGCA guidelines?

A) 100 meters
B) 120 meters
C) 150 meters
D) 200 meters
Answer: B) 120 meters

26. What technology helps drones maintain stable flight and avoid obstacles?

A) GPS
B) Sonar and radar
C) Infrared sensors
D) LIDAR
Answer: B) Sonar and radar

27. How do drones aid in humanitarian relief efforts after a disaster?

A) By delivering goods
B) By providing medical services
C) By performing damage assessments
D) By coordinating relief teams
Answer: C) By performing damage assessments

28. What is a key application of drones in construction?

A) Laying foundations
B) Surveying and mapping construction sites
C) Carrying building materials
D) Assembling structures
Answer: B) Surveying and mapping construction sites

29. In what way can drones improve military efficiency during conflict situations?

A) By providing real-time intelligence
B) By reducing the number of ground troops
C) By conducting aerial strikes
D) All of the above
Answer: D) All of the above

30. Which of the following is NOT a significant advantage of drones in defense applications?

A) Reduced risk to human life
B) Ability to operate in hostile environments
C) Enhanced surveillance capability
D) Inability to carry advanced weapons
Answer: D) Inability to carry advanced weapons