Most Important 150 General Science MCQ for SSC CGL 2017

Most Important 150 General Science MCQ for SSC CGL 2017

In this article we are sharing Most Important 150 General Science MCQ for SSC CGL 2017 and Competitive Exam; Like Railway, Insurance, Banking & Others.  Share & Subscribe if you like the post.
  1. The temperature at which all substances have zero thermal energy - 273 degree celcious.
  2. Any substance which when added to a reaction, alters the rate of the reaction but remains chemically unchanged at the end of the process is called - Catalyst.
  3. The study of the inter-relations of animals and plants with their environment is called-Ecology.
  4. Study of insects is called-Entomology.
  5. A unit used to express the focal power of optical lenses-Dioptre.
  6. The velocity that a body with less mass must achieve in order to escape from the gravitational attraction of a more massive body is called-Escape Velocity.
  7. Laughing gas is chemically known as- Nitrous Oxide.
  8. The blood vessels carrying blood from the heart to various parts of the body is called-Artery.
  9. The distance travelled by light in one year is called - Light year.
  10. An organism which derives its nourishment from another living organism is called-Parasite.
  11. Newton's which law states that the rate of change of momentum of a body is directly proportional to the force applied and takes place in the direction in which the force act -Newton's second law of motion.
  12. Which is the world's first man-made satellite-Sputnik-I.(4 oct 1957)
  13. Which planet is the brightest of all the planets-Venus.
  14. Small pieces of solid matter which are found scattered in the inter-planetary space of the solar system are known as-Meteoroids.
  15. The largest gland in the body which is dark red in colour is- Liver.
  16. Inadequate secretion of Insulin hormone causes which disease -Diabetes.
  17. Common cold, Influenza, Chickenpox and Measles are caused due to the attack of Virus or Bacteria - Virus.
  18. In which atmospheric layer are the communication satellite located- Ionosphere.
  19. The scientific principle behind 'Fibre Optics' is – Total internal reflection of light.
  20. Ginger is a stem and not a root, True or False - True (because it has nodes and Internodes).
  21. When we wind a watch which energy is stored - Potential Energy.
  22. On which phenomena the process of Dialysis used on patient with affected kidneys is Based - Osmosis.
  23. When a piece of ice floating in a beaker of water melts, the level of water will rise or fall-Remains the same.
  24. Energy stored in a dry cell is - Chemical energy.
  25. When a cricketer lowers his hand while catching the ball, it saves him from injury due to - Conservation of momentum.
  26. Full form of AIDS is - Acquired Immune Deficiency Syndrome.
  27. Chemical technology dealing with the conversion of base metals into gold is - Alchemy.
  28. Subtances produced by micro-organism that kill or prevent growth of other micro-organism is called - Antibiotics.
  29. Substances which react with acids to form salts is called - Base.
  30. The ancient oriental art of growing trees in dwarf form is called - Bonsai.
  31. What is the unit of heat - Calorie.
  32. The ability of a body to resist tension or compression and to recover its original shape and size when the stress is removed is called - Elasticity.
  33. The negatively charged particles which revolve around the nucleus of the atom in certain orbits is called - Electron.
  34. The branch of biology dealing with study of Heredity is - Genetics.
  35. Kwashiorkor is caused due to the deficiency of - Protein.
  36. The branch of science which deals with study of nature and properties of light is called- Optics.
  37. The scale used to measure the magnitudes of earthquakes is called - Richter scale.
  38. The heat required to raise the temperature of 1 kg of a substance through one degree celcius is called - Specific heat.
  39. The speed greater than the speed of sound is called- Supersonic speed.
  40. Volatile substance that incapacitates for a time by powerfully irritating the eyes, provoking tears is called - Tear gas.
  41. Who is the inventor of Dynamite - Alfred B. Nobel.
  42. Who discovered life in plants - Jagadish Chandra Bose.
  43. The unit used to measure loudness of sound is - Decibel.
  44. The smallest part of an element that can take part in a chemical reaction is called - Atom.
  45. Substances used for destroying or stopping growth of micro-organisms in living tissue is Called -Antiseptic.
  46. Water that does not form lather with soap easily is called - Hard water.
  47. The lines drawn on maps joining the places having same barometric pressure is called -Isobars.
  48. Lymph differs from blood in not having - Red Blood Corpuscles.
  49. Universal receivers can receive blood from - Groups O, A, B and AB
  50. Study of Grass is called - Agrostology.
  51. Study of Tumor is called - Oncology.
  52. Which physical property will be unaffected with increase in quantity - Density.
  53. Oil spreads over the surface of water because - Oil has less surface tension than water.
  54. In high mountaneous regions bleeding through nose occurs because - The pressure of the blood in the capillaries is higher than the outside air pressure.
  55. Why does a man weigh more at the poles than at the equator - Gravitational pull is more at the poles.
  56. A gas will behave as an ideal gas at - At very low pressure and high temperature.
  57. Oology is the branch of science dealing with the study of -Birds egg.
  58. Why does a drop of liquid assume a spherical shape - Because a sphere has the least surface tension
  59. When cream is separated from milk the density of milk increases or decreases-Increases
  60. Diamond is harder than Graphite due to difference of - Crystalline structure.
  61. Which combination of colours is the most convenient during day and night time-- Red and Green
  62. An element which does not react with oxygen is - Helium
  63. An instrument that measures and records the relative humidity of air is - Hygrometer
  64. The different colours of different stars are due to the variation of- Temperature
  65. Which is left when an hydrogen atom loses its electron - A proton
  66. The fundamental scientific principle in the operation of a battery is - Oxidation-reduction
  67. Which metal is used to galvanise iron - Zinc
  68. The instrument used to measure the force and velocity of the wind is- Anemometer
  69. Edward Jenner is associated with - Small Pox
  70. The scientist who explained about blood circulation for the first time was - William Harvey
  71. Nitroglycerine is used as - An explosive
  72. Solar Energy is due to the process of - Fusion reactions
  73. In a dry cell battery which are used as electrolytes - Ammonium Chloride and Zinc Chloride
  74. Permanent Research Station of India, Dakshin Gangotri is located at - Antarctica
  75. Which types of waves are used in a night vision apparatus - Infrared waves
  76. In order to stay over the same spot on the earth, a geostationary satellite has to be directly Above - The Equator
  77. Water is used to cool the engines of cars, buses, trucks, etc. It is because water has-High specific heat
  78. Due to contract of eyeball, a long-sighted eye can only see farther objects which is corrected by using - Convex lens
  79. Rainwater collected after 30 to 40 minutes of raining is not suitable for drinking because it is - Acidic 
  80. The refining of petroleum is done by the process of - Fractional Distillation Physical quantities which are completely described by a magnitude (size) alone are known as - Scalar quantities
  81. Study of the abundance and reactions of chemical elements and molecules in the universe, and their interaction with radiation is called - Astrochemistry
  82. Birbal Sahni Institute of Palaeobotany is located at - Lucknow, Uttar Pradesh
  83. Organelles which is known as the power house of the cells - Mitochondria
  84. Photosynthesis takes place maximum in red colour and minimum in - Violet colour
  85. Other name of White Blood Cells is - Leukocytes
  86. Other name of Red Blood Cells is - Erythrocytes
  87. Which antiseptic compound is present in Dettol – Chloroxylenol
  88. What is a compound that is a white solid which absorbs water vapour from the air – Calcium chloride
  89. To which product of equivalent weight and valency of an element is equal – Atomic weight
  90. Which element forms the highest number of compounds in the periodic table – Silicon
  91. How does addition of ethylene dibromide help to petrol – Elimination of lead oxide
  92. What do we call the process of separation of pure water from impurities – Distillation
  93. What is the name of gas which is present in both the natural gas and the biogas – Methane
  94. Of which alloy the commonly used safety fuse-wire is made – Alloy of Tin and Lead
  95. What is alcohol obtained in the saponification process – Glycerol
  96. Which is used to dilute oxygen in the gas cylinders used by divers – Helium
  97. What do cathode rays case when obstructed by metal –emission of X-rays
  98. With which liqued is anomalous expansion associated – Water
  99. What is a tick paste of cement, sand and water called – Mortar
  100. Ethanol containing 5% water By which name is it known – Rectified spirit
  101. Of which Container radioactive materials should be kept – Pb
  102. Which is not an anesthetic agent in surgical operations – Acetone
  103. What is the percentage of Nitrogen, present in ammonium sulphate – 21%
  104. Which is the nuclear particle having no mass and no charge, but only spin – Neutrino
  105. The pH of fresh milk is 6. When it turns sour, what will be the pH – Less than 6
  106. How must have metals used to make wires for safety fuses– Low resistivity and low melting point
  107. Sodium stearate is a salt and how is it used – To make soap
  108. Which are the two main constituents of granite– Iron and silica
  109. Which method of water purification does not kill microorganism – Filtration
  110. Which gase is supporter of combustion – Oxygen
  111. By which was the presence of Cobalt. in Vitamin B-12 established for the first time – Borax-Bead test
  112. Which metal can deposit copper from copper sulphate solution – Iron
  113. Which group of gases contribute to the "Green House effect" – Carbon dioxide and Methane
  114. On heating, Gypsum loses certain percentage of its water content and what does it become – Plaster of Paris
  115. A liquid initially contracts when cooled down to 4 degree Celsius but on further cooling down to zero degree Celsius, it expands. What is the name of liquid – Water
  116. Under which category Magnetic, electrostatic and gravitational forces come – Non-contact forces
  117. No matter how far you stand from a mirror, your image appears erect, How is the mirror likely to be – Either plane or convex
  118. Due to which Phenomenon are advanced sunrise and delayed sunset found in the sky – Refraction of sunlight
  119. Due to which Phenomenon is the formation of colours in soap bubbles – Interference of light
  120. On which principle a pressure cooker works – Elevation of boiling point of water by application of pressure
  121. Why does pressure of a gas increases due to increase of its temperature– Kinetic energies of die gas molecules are higher
  122. By which Newton’s may the weight of an object be assigned– Laws of gravitation
  123. With which field is a current carrying conductor associated – A magnetic field
  124. On which the linear expansion of a solid rod is independent – On its time of heat flow
  125. Which doesn't have any effect on velocity of sound – Pressure
  126. Why does white light into its components – Due to dispersion
  127. What type of lenses are used in movie projectors – Convex
  128. During which radioactivity radiation is not emitted – Cathode rays
  129. An object is undergoing a non-accelerated motion. What is Its rate of change in momentum – Zero
  130. A particle is moving freely. Then its– kinetic energy is always greater than zero
  131. If an object undergoes a uniform circular motion, then What will be– Its velocity changes
  132. In how many hours does geostationary satellite complete its one revolution around the earth – 24 hours
  133. MCB, which cuts off the electricity supply in case of short-circuiting, on which effect does it work – Magnetic effect of current
  134. A motor vehicle is moving in a circle with a uniform speed. Where will be the net acceleration of the vehicle – towards the centre of circle
  135. Which property of a proton may change while it moves freely in a magnetic field – Velocity
  136. During sunrise and sunset, why does sun appears reddish-orange – Reddish-orange light is least scattered by the atmosphere
  137. Why are ball bearings used in bicycles, cars, etc – The effective area of contact between the wheel and axle is reduced
  138. By which Signal a television channel is characterised – Frequency of transmitted signal
  139. What is a good conductor while carrying current – Electrically neutral
  140. What is the device used for measuring the wavelength of X-rays – Bragg Spectrometer
  141. Which is responsible for the working of Newton's colour disc experiment – Persistence of vision
  142. Who is the founder, of quantum theory of radiation – Plank
  143. What is Photon – The fundamental unit/quantum of Light
  144. When does a liquid disturbed by stirring come to rest – Due to Viscosity 
  145. Who is the inventor of Dynamite - Alfred B. Nobel.
  146. Who discovered life in plants - Jagadish Chandra Bose.
  147. The unit used to measure loudness of sound is - Decibel.
  148. The smallest part of an element that can take part in a chemical reaction is called - Atom.
  149. Which is left when an hydrogen atom loses its electron - A proton
  150. Which metal is used to galvanise iron - Zinc

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