Everyday Science Oneliner MCQS 14

• Haemophilia is a hereditary disease.
• Diamond is the hardest material.
• Lead ball falls through water more slowly than through air because of the viscous force in water.
• Polaroid’s are used for Photoelasticity.
• Scalding with steam is more severe than scalding by boiling water because Steam contains more energy than boiling water.
• Cooking oil can be converted into vegetable ghee by the process of Hydrogenation.
• Stainless steel is an alloy of Iron, Chromium and Nickel.
• Optical fibres work on the principle of Total internal reflection.
• Water vapour beyond the dew point results in Condensation.
• The main chemical substance present in the bones and teeth of animals is Calcium Phosphate.
• The Green House Effect is caused by an excess of Carbon dioxide.
• Bats can also fly in dark because they are capable of taking the help of Ultrasonic Waves.
• Gold is found in its original form.
• Green vegetables have high iron content.
• The fat content in buffalo milk is 10%.
• Whale has the largest egg. 
• The rear view mirror of a motor vehicle is Convex.
• A post mortem study usually involves an analysis of liver.
• Bio fertilisers are nitrogen-fixing micro-organisms which can enrich soil.
• Tincture of iodine consists of A solution of iodine in alcohol.
• The only planet of solar system which has water vapours is Neptune.
• The major part of natural gas, petroleum and coal consist of Methane.
• Gypsum is used for cement.
• Chromium is obtained from Chromite.
• Silica is used in glass-making.
• Human population has become double during the last 45 years.
• At present population growth rate in Pakistan is 1.573%.
• In Pakistan, the nuclear power stations are built at Karachi and Chashma.
• Plutonium is used as Fuel for nuclear fission.
• Uranium-235 is used in the fission process.
• The solar energy falling on the atmosphere of earth is almost 1.4 kilowatt per square meter.
• The large plates of solar panels are painted Black.
• The temperature of the semi-molten rocks about 10 km below the surface is 200 degree Centigrade.
• Cataract is a disease of eye.
• Rayon is made of Cellulose.
• Meter per second is a unit of Velocity.
• The greatest number of compounds is formed by the element of Carbon.
• The major component of honey is Glucose.
• The working principle of a washing machine is Centrifugation.
• Oxygen is present in the largest amount in terms of per cent by mass in the earth’s crust.
• Radioactivity was first discovered by Henry Becquerel.
• Helium gas is commonly used in balloons and airships.
• The process of elimination of water from any system is called Dehydration.
• Sparkling red colour after the blast of fire cracker is due to the presence of Sulphur.
• The chemical name of aspirin is Acetylsalicylic acid.
• Animal fat has the highest calories per gram.
• The commonly present element in the artificial fertilizer is Potassium, Nitrogen and Phosphorus.
• Potassium nitrate is used in fertilizers.
• The inherited traits of a person can be investigated by the study of Deoxyribonucleic acid.
• Silicon is extensively used in electronics.