One Paper MCQs Solved Preparation Material All in One for PPSC FPSC NTS PTS OTS

▪ The unit of home electricity energy consumption is Kilowatt hour
▪ The speed of sound in dry air at 20 C is about (343 m/s)
▪ The time light takes from Sun to reach Earth is 8 minutes
▪ Light from Sun travels a distance before it reaches Earth 150 Million Km
▪ The most suitable thermometer for measuring the boiling point of water is Mercury thermometer
▪ The density of water is greatest at 4°C
▪ A vacuum can not conduct heat
▪ The building blocks of elements are called Molecules
▪ Boiling of an egg is a change which is Chemical
▪ The usual raw material for ceramics, generally found beneath the top soil is? Clay
▪ Polyamides are synthetic polymers commonly known as Nylon
▪ Telephone was invented in 1876 in America by Graham Bell.
▪ Man belongs to the family Hominidae
▪ To measure the specific gravity of milk, the instrument used is Lactometer
▪ one of the fundamental characteristics of living organisms is Metabolism
▪ Water is heated in a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by Radiation
▪ Three elements needed for the healthy growth of plants are N,P,K
▪ Parsec is a unit of Distance
▪ Twinkling of stars is caused by refraction of light
▪ In humans , most nutrient molecules are absorbed by the small intestine
▪ Laughing gas has chemical composition of the following two elements which are Nitrogen + oxygen
▪ Hepatitis A is transmitted to different individuals by Water
▪ The unit that coordinates different devices of the computer system is Control unit
▪ Cancer can be treated by Chemotherapy and radiotherapy
▪ The name of the common mineral salt present in sea is Sodium Chloride
▪ Founder of modern astronomy was Nicolas Copernicus
▪ The instrument which measures very high temperature is Pyrometer