The famous book Al-qanoon was written by which Muslim scientist?

a) Jabar-bin-Hayyan
b) Abu-Ali-Sina
c) Zakariya Al-Razi
d) None of these (more…)

Ultraviolet rays coming from sun are filtered by?

a) Carbon Dioxide

b) Ozone Layer

c) Helium

d) None of these (more…)