Everday Science Mcqs
Twinkling of stars is caused by?
A. Reflection of light
B. Polarization of light
C. Refraction of light
D. Interference of light
The most abundant element is Earth’s curst is ?
A. Oxygen
B. Hydrogen
C. Carbon dioxide
D. Silicon
The bodyguard of the Earth is ————– that save the Earth from many Comets and Asteroids
A. Mars
B. Satrun
C. Uranus
D. Jupiter
According to the Big Bang Theory, the Universe began about ——– billion?
A. 10-20
B. 20-30
C. 30-40
D. 40-50
The principal constituent of the atmosphere of the Earth is?
A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen