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?
Show answer
Answer: D. Statement I is wrong: fixed-wing UAVs need a runway or net and cannot land vertically. Statement II is wrong: fixed-wing UAVs cannot hover. Statement III is wrong: many UAVs use petrol or jet engines, fuel cells or solar power, not only batteries. So none of the statements is correct.
Watch for: The word 'all' makes each statement false, since multirotor drones are just one type of UAV.
Why the other options are wrong
- A. Wrong: no statement is correct.
- B. Wrong: no statement is correct.
- C. Wrong: no statement is correct.
Source to check: DGCA / Ministry of Civil Aviation, Drone Rules 2021 (digitalsky.dgca.gov.in); general UAV classification texts.
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.