Everyday Science Oneliner MCQS 16

  • Phenol is used as a raw material in the manufacture of foam used in mattresses, cushions, etc.
  • ECG is an instrument used for the disorder of Heart.
  • Carbon-14 is used for dating very old objects of archaeological importance.
  • Lead is used in storage batteries.
  • Enzymes are Biological catalysts.
  • DNA finger-printing is the latest technology used in Forensic science.
  • Potassium is used in the preparation of glass and soap in the form of Carbonates.
  • Potassium phosphate is used in the preparation of detergent.
  • In Chlorophyll, magnesium is present.
  • Calcium plays a vital role in blood clotting.
  • For water purification, Chlorine is used
  • Deficiency of calcium causes the impaired growth in infants.
  • Wheat, rice, corn and maize are the best sources of carbohydrates.
  • The human blood is divided into four groups.
  • The muscles, tissues and blood all are made up of Proteins.
  • Iron is a part of haemoglobin which transports oxygen.
  • In thyroid glands iodine is required for the synthesis of Thyroxin.
  • The amount of calories provided by egg is 150 K calories/100gm.
  • Jupiter is the largest planet of solar system.
  • The mirror placed near the driver of a bus is Concave mirror.
  • X-rays are used to disintegrate bladder stones.
  • The percentage of carbohydrates in the normal daily food calorie requirement of an adult is about 59%.
  • Impure blood is received in the heart in the right auricle.
  • Plants take nitrogen in the form of Nitrate.
  • Washing soda in water behaves acidic.
  • The glad which maintains body temperature is the Pituitary gland.
  • Peeled banana under normal condition is brittle.
  • Phrenology deals with sensory perception of animals.
  • Vinegar is produced by two steps, first fermentation of sugar by yeast, second fermentation of ethyl alcohol by bacteria.
  • The longest and the strongest bone in the human body is Femur.
  • Red color has the longest wavelength and violet has the shortest wavelength.
  • Chronometer is used to measure Time.
  • Carbon dioxide is used in fire extinguishers.
  • Hereditary disorders are the result of Defective DNA nucleus.
  • Pure gold is 24 carat.
  • One horse power is equal to 746 watts.
  • Dynamo is a device that converts Mechanical energy into electrical energy.
  • The minimum velocity required to escape from the gravitational pull is 11.2 km/s.
  • Heavy water consists of Oxygen and heavy hydrogen.
  • Polio is a viral disease.
  • Ag is the symbol for silver.
  • Babbage is called the father of computer.
  • Dead red blood cells are stored in liver.
  • Oxygen

46.1% , 461,000 Silicon
28.2% , 282,000 Aluminum 8.23% , 82,300 Iron
5.63% , 56,300 Calcium 4.15% , 41,500 Sodium
2.36% , 23,600 Magnesium 2.33% , 23,300
Potassium 2.09% , 20,900 Titanium
0.565% , 5,650 Hydrogen
0.14% , 1,400

  • Spring tides occur on new moon and full moon days because on these days Sun, moon and earth are in a straight line.
  • Clayey soil is best suited for cotton.
  • The time interval between two beats of a normal human heart is 1 second.
  • The material used for bleaching paper pulp is Sodium hypochlorite.
  • Mercury has the smallest diameter.
  • The instrument, used for recording tremors of earth, is known as Seismograph.


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