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
D.
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
Asteroids.
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 
A. DNA
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