UPSC PYQPrelims 2025

Civil Services Examination · प्रश्न 2

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements: I. All types of UAVs can do vertical landing. II. All types of UAVs can do automated hovering. III. All types of UAVs can use battery only as a source of power supply. How many of the statements given above are correct?

  1. Only one
  2. Only two
  3. All the three
  4. None
उत्तर देखें और व्याख्या

उत्तर: (D) None

व्याख्या

None is universally true across all UAV types (fixed-wing UAVs can't hover/vertical land; many use fuel, not just battery).