Physics
The bats can fly in the dark because

They generate flashes of light
They have weak legs and are likely to be attacked by predators
They generate ultrasonic sound waves
They can see the objects in darkness

ANSWER DOWNLOAD EXAMIANS APP

Physics
Plants are dried up in winter due to frost because

Evaporation does not take place
There is mechanical loss of tissues and drought condition prevails
Respiration does not take place at low temperature
Photosynthesis does not take place at such low temperature

ANSWER DOWNLOAD EXAMIANS APP