Ozone layer protects life on earth from __________.
(a) Greenhouse Gases
(b) Meteorites
(c) Humidity
(d) Ultraviolet Rays
Chemical formula for water is __________.
(a) H2O
(b) CH
(c) Na
(d) H2O2
Tsunami is __________.
(a) Massive wave in sea caused by earthquake
(b) Windstorm
(c) Cyclone
(d) Snowstorm
Ecosystem refers to __________.
(a) Earth environment
(b) Sea salt
(c) Earth heat
(d) Air humidity
Our skin produces __________ when exposed to Sunlight.
(a) Vitamin D
(b) Vitamin C
(c) Vitamin K
(d) Vitamin B
Unit Henry is the measurement of:
(a) Temperature
(b) Electric charge
(c) Inductance
(d) Magnetic flux
The chemical name for common salt is:
(a) Sulphuric Acid
(b) Sodium Chloride
(c) Potassium Glucomate
(d) Nitrogen
_____________ is the most common colour in nature.
(a) Blue
(b) Green
(c) Black
(d) Orange
Cholesterol level is analyzed in __________ sample.
(a) Blood
(b) Urine
(c) Sputum
(d) Stool
Watt is the unit to measure:
(a) Electricity
(b) Water
(c) Rain Water
(d) Air Pressure