NTS Question Answer

Everyday science 100 MCQs

1. On 11 February 2016 The LIGO Scientific Collaboration announced the detection of ----
A. electromagnetic waves
B. seismic waves
C. gravitational waves
D. radio waves

2. The SI unit of charge is -------------
A. Ampere
B. Coulomb
C. Ohm
D. Volt

3. Very High Frequency (VHF) have ____ wavelengths.
A. shorter
B. shortest
C. longer
D. longest

4. Long-sight defect could be corrected by using ____ lens.
A. concave
B. vonvex
C. diverging
D. none of these

5. Deficiency of Vitamin-A results in ____
A. night blindness
B. rickets
C. scurvy
D. hair fall

6. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will
A. also decrease
B. increase
C. remains constant
D. none of these

7. The lifespan of Red Blood Cells is _____ days.
A. 60
B. 120
C. 180
D. 240

8. The density of water is _____
A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these

9. Radioactivity was discovered by _____
A. Kelvin
B. Thomson
C. Rutherford
D. Bacquerel

10. A device which converts chemical energy into electrical energy is called _____
A. motor
B. generator
C. moving-coil meter
D. battery

11. The Sun is a ______
A. Star
B. Planet
C. Asteroid
D. Meteor

12. The average adult has a blood volume of about _____ liters.
A. 4
B. 5
C. 6
D. 7


13. The most abundant element in the universe is ______
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon


14. The most abundant element in the Earth's crust is ____
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon

15. Each day human body breathe in _____ liters of air.
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000

16. Deficiency of Vitamin-D results in ____
A. night blindness
B. rickets
C. scurvy
D. hair fall

17. The SI unit of "pressure" is _____
A. pascal
B. joule
C. tesla
D. henry


18. The most densest substance on the Earth is ____
A. Platinum
B. Copper
C. Steel
D. Osmium

19. A camera uses a _____ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these

20. Which from the following is NOT a conductor? 
A. Aluminium
B. Silicon
C. Graphite
D. All are conductors

21. CNG stands for? 
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural Gas

22. Which from the following is true for "Sound"? 
A. Sound cannot travel through a vaccum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot 

23. When white light is passed through a prism, it splits into ____ colours.
A. 5
B. 6
C. 7
D. 8

24. 1 nanometer = ? 
A. 10-3 meter
B. 10-6 meter
C. 10-9 meter
D. 10-12 meter

25. Instrument used for measuring very high temperature is _____
A. Pyroscope
B. Pyrometer
C. Seismograph
D. Xylometer


26. Sound waves are _____waves.
A. Transverse
B. Electromagnetic
C. Longitudinal
D. none of these

27. The lifespan of White Blood Cells is _____ day(s).
A. 1
B. 2
C. 3
D. 4

28. The fluid part of blood is known as ____
A. plasma
B. platelets
C. blood cells
29. X-rays were discovered by ___
A. Rontgen
B. Thomson
C. Rutherford
D. Bacquerel

30. The speed of light is _____
A. 280,000 km/s
B. 300,000 km/s
C. 320,000 km/s
D. none of these

31. During winter in cold countries, the _____ is mixed to melt the ice on the icy roads.
A. Salt
B. Chlorine
C. Carbon dioxide
D. Water

32. In a very low temperature which from the following will freeze at last? 
A. River water
B. Canal water
C. Sea water
D. Water in a lake

33. The nearest planet to the Earth is ____.
A. Venus
B. Mercury
C. Mars
D. Moon

34. The planet that moves round the Sun at the highest speed is? 
A. Jupiter
B. Venus
C. Mars
D. Mercury

35. In general, Comets have _____ orbits.
A. Elliptical
B. Highly elliptical
C. Circular
D. Parabolic

36. GPS is an abbreviation for? 
A. Global Poles System
B. Global PolySiliconium Store
C. Global Positioning System
D. Global Position Structure

37. Oxidation is a chemical reaction involving the _____
A. Gain of Electrons
B. Loss of Electrons
C. Gain of Protons
D. Loss of Protons

38. At night, Plants intake ____ and release _____
A. Oxygen – Carbon dioxide
B. Carbon dioxide – Oxygen
C. Oxygen – Carbon monoxide
D. Carbon monoxide – Oxygen

39. Urine is produced in ____
A. Kidneys
B. Lungs
C. Large intestine
D. Liver
40. Blood is cleaned by ____.
A. Lungs
B. Liver
C. Heart
D. Kidneys

41. The position of an element in the Periodic Table is determined by its _____number.
A. Electron
B. Proton
C. Neutron
D. Positron

42. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in
____ of sea water.
A. 1 gram
B. 10 grams
C. 1 kg
D. 10 kg

43. The planet which is easily visible from the Earth is? 
A. Mercury
B. Venus
C. Mars
D. Jupiter

44. The Great Spot is on the planet ____
A. Saturn
B. Venus
C. Mars
D. Jupiter

45. The Great Spot is a _____
A. Mountain
B. Desert
C. Frozen Carbon dioxide
D. Storm

46. The bodyguard of the Earth is _________ that save the Earth from many Comets and
A. Mars
B. Saturn
C. Uranus
D. Jupiter

47. 1 light year = ? 
A. 9.5x106 km
B. 9.5x109 km
C. 9.5x1012 km
D. 9.5x1018 km

48. The planets visible to us without using a telescope are _____
A. 3
B. 4
C. 5
D. 6
49. According to Big Bang Theory, the Universe began about _____ billion years ago.
A. 10 – 20
B. 20 – 30
C. 30 – 40
D. 40 – 50

50. Biosensor is used to measure? 
A. Blood glucose level
B. The body pH value
C. Amount of hemoglobin
D. Salinity in Urine

51. Einstein’s famous equation which states that mass and energy are interchangeable is?
A. E = mc2
B. E = cm2
C. M = ec2
D. M = ce2

52. The SI unit of electric current is? 
A. Coloumb
B. Ampere
C. Volt
D. Watt

53. The principal constituent of the atmosphere of the Earth is? 
A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen

54. What is Dry Ice? 
A. Solid Oxygen
B. Solid Carbon Dioxide
C. Solid Hydrogen
D. Solid Nitrogen

55. What are the primary colours? 
A. White, Black, Blue
B. Red, Yellow, Blue
C. Red, Orange, Blue
D. Red, Green, Blue

56. Digestion of food is completed in the _____
A. small intestine
B. large intestine
C. stomach
D. Liver

57. Carrot is good source of Vitamin? 
A. A
B. B complex
C. C
D. D

58. For proper formation of teeth, _____ is essential.
A. iodine
B. copper
C. fluorine
D. iron

59. Deficiency of _____causes loss of appetite and poor growth.
A. zinc
B. iodine
C. copper
D. iron

60. Meteorology is the study of? B
A. seasons
B. atmosphere
C. air and sounds
D. winds and clouds

61. The Carbon Dioxide in the atmosphere, by volume, is 
A. 0.039%
B. 3.9%
C. 13%
D. 30%

62. Diamond is an allotropic form of 
A. Carbon
B. Hydrogen
C. Nitrogen
D. Silicon

63. The SI unit of Heat is 
A. Watt
B. Volt
C. Joule
D. Newton

64. The good sources of Vitamin-A are ------------
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods

65. The good sources of Vitamin-B Complex are B
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods

66. The good sources of Vitamin-C are 
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods


67. The good sources of iodine are
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods

68. The gas, commonly known as “laughing gas”, is 
A. Cabon Dioxide
B. Sulfur Dioxide
C. Nitrous Oxide
D. Sodium Oxide

69. The source of oxygen in photosynthesis is 
A. water
B. salts
C. minerals
D. glucose

70. The instrument used to measure wind speed is 
A. Anemometer
B. Barometer
C. Hydrometer
D. Hygrometer

71. The natural fats and oils are composed of 
A. Carbon, Hydrogen and Oxygen
B. Carbon, Hydrogen and Nitrogen
C. Carbon, Oxygen and Nitrogen
D. Hydrogen, Oxygen and Nitrogen

72. The energy value of food is measured in 
A. Joule
B. Calories
C. Tesla
D. Proteins

73. Wind energy is the __________ energy. 
A. Potential
B. Transverse
C. Kinetic
D. Mechanical

74. Who is considered the founder of meteorology? 
A. Aristotle
B. Plato
C. Einstein
D. Newton

75. Water covers __________ of the Earth's surface. 
A. 60%
B. 65%
C. 70%
D. 75%

76. In general, wind speed of 105–137 caused 
A. minor or no damage
B. considerable damage
C. severe damage
D. extreme damage

77. Acid rain is mainly caused by emissions of __________ in the atmosphere. 
A. Sulfur Dioxide and Potassium Nitrate
B. Sulfur and Charcoal
C. Nitrogen Oxide and Potassium Nitrate
D. Sulfur Dioxide and Nitrogen Oxide

78. About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is 
A. Oxygen
B. Cabon Dioxide
C. Silicon
D. Clay

79. The fourth state of matter is 
A. Water
B. Salts
C. Vapours
D. Plasma

80. The device used to convert Alternate Current into Direct Current is called 
A. Anemometer
B. Battery
C. Galvanometer
D. Rectifier

81. In night, when photosynthesis is stopped, plants
A. take in Carbon Dioxide
B. take in Oxygen
C. give off Carbon Dioxide
D. give off Oxygen


82. During photosynthesis, plants
A. take in Carbon Dioxide
B. take in Oxygen
C. give off Carbon Dioxide
D. give off Oxygen

83. __________ are called the powerhouses of the cell. 
A. Mitochondria
B. Vesicles
C. Lungs
D. Liver

84. Mitochondria contain their own supply of 
B. Amino acids
C. Vitamins
D. Oxygen

85. The first chemical explosive, Gunpowder, is a mixture of B
A. Sulfur, Charcoal and Nitrogen Oxide
B. Sulfur, Charcoal, and Potassium Nitrate
C. Sulfur and Charcoal
D. Charcoal and Potassium Nitrate

86. The number of oscillations per second is called the 
A. hertz
B. waves
C. pitch
D. frequency

87. Sound waves from a loudspeaker are caused by 
A. frequency
B. vibrations
C. pitch
D. amplitude

88. The guitar has __________ strings. 
A. 4
B. 5
C. 6
D. 7

89. The device used to measure movements of the heart is -----
A. Cardiograph
B. Seismograph
C. Hydrometer
D. Hygrometer

90. The unit used to measure ‘Pressure’ is 
A. pascal
B. newton
C. watt
D. tesla

91. There are __________ methods of heat transfer. 
A. 3
B. 4
C. 5
D. 6

92. Which from the following is NOT a method of heat transfer? D
A. Conduction
B. Convection
C. Radiation
D. All are methods of heat transfer

93. If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is 
A. Conduction
B. Convection
C. Radiation
D. None of these

94. A person seated in front of a fire receives heat by 
A. Conduction
B. Convection
C. Radiation
D. None of these

95. The unit used to measure ‘magnetic flux’ is ----------
A. pascal
B. farad
C. weber
D. henry


96. Battery was invented by ---------
A. Volta
B. Hero
C. Fermi
D. Maiman

97. The most abundant element in the earth's crust is oxygen. The second most abundant
element in the earth's crust is 
A. Hydrogen
B. Nitrogen
C. Brass
D. Silicon

98. The nearest planet to the Sun is ---------
A. Mercury
B. Venus
C. Mars
D. Jupiter

99. Bronze is an alloy of ---------
A. Iron, Carbon
B. Copper, Tin
C. Nickel, Zinc
D. Mercury, Lead

100. Molecules with identical molecular formulae but with different structural formulae are
called -----------
A. Isotopes
B. Isomers
C. Electrode
D. Compound