Q. 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?
(a) Only one
(b) Only two
(c) All the three
(d) None
Correct Answer: (d) None