Bats can ascertain distance, directions, nature and size of the obstac – McqOptions

MCQOPTIONS

1.	Bats can ascertain distance, directions, nature and size of the obstacles at night. This is possible by reflection of the emitted [NDA]
A.	ultrasonic waves from the bat
B.	ultrasonic waves from the distant objects
C.	supersonic waves from the bat
D.	supersonic waves from the distant objects
Answer» B. ultrasonic waves from the distant objects

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