Q30: General Science & Ability MCQ 2015

**The blue color of the sky is due to:**A) Reflection of light raysB) Refraction of light raysC) Scattering of light raysD) None of these Show Answer Correct Answer: C – Scattering of light rays

**One of the main functions of the Earth’s ozone layer is to:**A) Prevent global warmingB) Filter out ultraviolet raysC) Absorb pollutionD) All of the above Show Answer Correct Answer: B – Filter out ultraviolet rays

**A cyclone is formed:**A) When the warm air rises upward over the oceanB) When the moist air rises upward over the oceanC) When the moist air is pressed downward over the oceanD) When the warm air is pressed downward over the ocean Show Answer Correct Answer: B – When the moist air rises upward over…