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?
AOnly one
BOnly two
CAll the three
DNone
Answer & Solution
Correct answer: D. None
UPSC CSE Prelims 2025 (GS-I, Set A), Q.42. Official answer key: D.
Related questions
The second basic principle of preventing infectious disease, keeping the immune system worThe basic key to prevention of infectious diseases is:The recruitment of immune cells to infected tissue, causing swelling, pain and fever, is:The virus causing Japanese encephalitis, entering through a mosquito bite, infects the:Typhoid-causing bacteria entering through the mouth stay in the:Female mosquitoes bite because they need blood to:Animals like mosquitoes that carry infecting agents from a sick person to another host areAntibiotics do not work against viral infections because viruses: