The sun appears red at sunrise and sunset while it appears white at noon, because
A lake starts freezing because of the cold atmosphere It will first freeze
The beautiful color patterns exhibited by a peacock in its tail feathers are due to
What is the average adult pulse rate
When a person enters a dark room from bright light he is not able to see clearly for a little while because the
Which part of the Camera is analogue to the retina in the human eye
Dolly is the name of the
The most important stimulant in tea leaves is
Dialysis is used for the treatment of__________
ECG is used for the diagnosis of aliments of
