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Science Gk Quiz: Competitive exams, SSC, Railways, UPSC, JPSC etc.

Science Gk Quiz: Competitive exams, SSC, Railways, UPSC, JPSC etc.

Science Gk Quiz: Competitive exams, SSC, Railways, UPSC, JPSC etc.
Science Gk Quiz

Science Gk Quiz

1. which gas is used for the welding purpose?

- ACETYLENE.


2. what is bauxite?

- BAUXITE IS AN IMPORTANT ORE OF ALUMINIUM.


3. which country is the largest producer of the bauxite ore?

- AUSTRALIA.


4. give the name of the salt which is an essential constituent of our diet?

- COMMON SALT.


5. why the glass bottle can be unscrewed easily on warning?

- WHEN WE WARM THE NECK OF A BOTTLE WHOSE "LID" IS SCREWED ROUGHLY, THE "LID" EXPANDS TO BE UNSCREWED VERY EASILY.


6. what is science?

- THE STUDY OF STRUCTURE & BEHAVIOUR OF THE PHYSICAL &  NATURAL ATMOSPHERE & SOCIETY ESPECIALLY THROUGH OBSERVATION & EXPERIMENT. 


7. name the chief ore of mercury?

- CINNABAR.


8. what is solid carbon dioxide commonly called?

- DRY ICE.


9. name the term used as treatment such as osteopathy and acupuncture?

- ALTERNATIVE MEDICINE.


10. what is agronomy?

- AGRONOMY IS SCIENCE OF SOIL AND PLANTS


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11. where is advanced centre of marine biology research located?

- IN CHENNAI.


12. what is ammonia?

- AMMONIA IS THE GAS WHICH CAN BE MORE EASILY LIQUEFIED.


13. which alloys contain mercury as one of the contents?

- AMALGAMS.


14. what is the colour of pure diamond?

- LIGHT YELLOW.


15. milk protein is also known as?

- CASEIN.


16. what is the normal temperature of human beings?

- 39.9 DEGREE CELSIUS.


17. why does a weightless body immersed in water?

- BY AN UPWARD THRUST OF WATER.


18. how many blood groups are there?

- THERE ARE FOUR TYPE OF BLOOD GROUP.


19. name the blood groups?

- GROUP A, B, AB, AND O.


20. which groups is called universal donor?

- GROUP O.


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21. which group is called universal recipient?

- AB BLOOD GROUP.


22. how many litres of blood are there in normal human?

- 4 TO 7 LITRES.


23. which is the largest bone in human body?

- FEMUR.


24. which is the smallest bone in human body?

- UNDER THE EAR.


25. bones are made of?

- CALCIUM PHOSPHATE.


26. BPL vaccine is given to persons suffering from?

- RABIES.


27. why are the stars visible only at night?

- THEY ARE VISIBLE AT NIGHT BECAUSE THE SUNLIGHT ARE NOT THERE.

  STARS ARE PRESENT BOTH AT DAY AND NIGHT.


28. what is fuel?

-  MATERIAL OR ANY SUBSTANCES, THAT BURNS TO PROVIDE ENERGY.


29. give the example of fuel?

- WOOD, PETROL, KEROSENE, DIESEL, SOLAR ENERGY AND NUCLEAR ENERGY.


30. what is the reason that the fruits and vegetables get damages more easily than food grains?

- THEY GOT DAMAGED MORE EASILY BECAUSE THEIR MOISTURE CONTENT IS MORE AS COMPARED TO FOOD GRAINS.


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31. what is the name of the ring of bones at the hip?

- PELVIC GIRDLE.


32. which vein in the body to carry oxygenated blood?

- THE PULMONARY VEIN.


33. how many chambers are there in a heart ?

- THERE ARE FOUR CHAMBER.


34. what is the main part of our heart?

- PACE MAKER.


35. name the element, which have highest melting point?

- TUNGSTEN.


36. name the planets, which do not have moon?

- MERCURY AND VENUS.


37. what is the weight of the liver of the human being?

- 45 POUNDS.


38. name the protein that forms hair and nails?

- KERATIN.


39. name the third molars which are always the last to erupt?

- WISDOM TOOTH.


40. how many type of teeth are there?

- FOUR TYPE.


41. ascorbic acid is also know as?

- VITAMIN C.


42. the study of plants is called?

- BOTANY.


43. the study of animals is called?

- ZOOLOGY.


44. what is the reason that a balloon rise in the air, when it filled with gas?

- BECAUSE GAS IS LIGHTER THAN AIR.


45. why do we not feel the movement of the earth?

- WE NOT FEEL THE MOVEMENT-BECAUSE WE ALL ARE ALSO MOVING WITH THE EARTH.


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46. name the branch of science which deals in the studies of cell?

- CYTOLOGY.


47. which argon of human body secretes insulin?

- PANCREAS.


48. name the branch of the science which deals in the studies of origins, physical and cultural

      developments of mankind?

- ANTHROPOLOGY.


49. what is celenology?

- THE STUDY OF MOON.


50. what is mycology?

- THE STUDY OF FUNGI.


51. why does a bicycle tube has more punctures in summer than in winter?

- BECAUSE IN SUMMER AIR FILLED INSIDE THE TUBE EXPANDS DUE TO HIGH

  TEMPERATURE.


52. why does a glass tumbler sometimes crack when hot water is suddenly poured

     into it?

-  BECAUSE, GLASS IS A BAD CONDUCTOR OF HEAT IN ANY SITUATION. 

53. what is anaerobic?

- ANAEROBIC ARE BACTERIA WHICH CAN COMPLETE THEIR LIFE CYCLE WITHOUT OXYGEN.


54. citric acid makes lemon?

- SOUR.


55. which type of mirror is used in vehicles for rear viewing?

- CONVEX MIRROR.


56. cranium is the part of?

- CRANIUM IS THE PART OF THE SKULL THAT ENCLOSED THE BRAIN.`


57. what is a catalyst?

- CATALYST IS A SUBSTANCE THAT ALTERS THE RATE AT WHICH A CHEMICAL REACTION OCCURS, BUT IS ITSELF UNCHANGED AT THE END OF THE REACTION.


58. what is biosphere?

- THE ECOSYSTEMS TAKEN TOGETHER IN A GEOGRAPHICAL AREA OR ANOTHER AREA FORM A BIGGEST UNIT ARE CALLED BIOSPHERE.


59. why do clothes dry faster on hot day than on a cool day?

- ON A HOT DAY TEMPERATURE OF THE SURROUNDINGS AND THE LIQUID IS MORE   THAN ON A COOL DAY. HENCE THE RATE OF EVAPORATION IN INCREASED. SO THEY DRY  FASTER.


60. who destroy the harmful bacteria?

- ANTIGEN.


61. what is cosmography?

- COSMOGRAPHY IS THE DESCRIPTION OF UNIVERSE IN ALL PARTS.


62. science of dates is called?

- CHRONOLOGY.


63. what is biochemistry?

- BIOCHEMISTRY IS THE STUDY OF CHEMICAL STRUCTURE AND METABOLIC

  PROCESSES OF PLANTS AND ANIMALS.


64. what is genetics?

- THE BRANCH OF THE SCIENCE WHICH DEALS WITH THE STUDY OF THE PROBLEMS OF HEREDITY AND VARIATION IN TYPES OF ORGANISMS.


65. which blood item is a source of vitamin c?

- CITRUS FRUITS.


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66. trachoma is a disease of the?

- EYE.


67. why does makes sound sign when it heated in a kettle?

- DUE TO THE BUBBLES, WHICH RISE TO THE SURFACE COLLAPSE WITH A SOUND.


68. where does the sea have the greatest tides?

- BAY OF FUNDY.


69. in astigmatism which type of lens can be used?

- CYLINDRICAL LENS.


70. cholera is spread by?

- BY BACTERIA.


71. what is the symbol of the calcium?

- CA.


72. what is the symbol of the ferrous?

- FE.


73. ECG is the test of the?

- HEART


74. EGO test is used for?

- HEART.


75. what is the symbol of the iodine?

- SYMBOL OF IODINE IS "I"


76. what is the symbol of the silver?

- AG.


77. which is the largest gland in the body?

- LIVER.


78. what is the ability of fluids to offer resistance to flow called?

- VISCOSITY.


79. which quantity has direction as well as magnitude?

- VECTOR QUANTITY.


80. name the metal produced from the ores limonite, haematite and magnetite?

- IRON.


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81. give the word which means the brightness of a star or the strength of an earthquake?

- MAGNITUDE.


82. what is isobar?

- ISOBARS ARE LINE ON A MAP JOINING THOSE PLACES WHICH HAVE THE SAME BAROMETRIC PRESSURE.


83. contour lines of magnetic declination is called?

- ISOGONIC LINES.


84. what is isohel?

- ISOHEL IS A CONTOUR LINES SHOWING EQUAL AMOUNT OF SUNSHINE.


85. what is leap year?

- LEAP YEAR IS A YEAR OF 366 DAYS, OCCURRING EVERY FOURTH YEAR IN CHRISTIAN CALENDAR.


86. the distance of any pace from north to south of the equator is called?

- LATITUDE.


87. the distance form east to west of a fixed meridian is called?

- LONGITUDE.


88. what is called the end of the axis of the earth in the north?

- NORTH-POLE.


89. what is midnight sun?

- THE SUN RISES AT THE NORTH POLE ON THE 21st MARCH AND THIS POLE  REMAINS IN LIGHT TILL THE 23rd SEPTEMBER.


90. what is the other name of galaxy?

- MILKY WAY.


91. the molten material existing between the solid rock of the earth's crust is called?

- MAGMA.


92. what is lunar eclipse?

- IT IS A PARTIAL OR COMPLETE OBSCURATION OF THE MOON'S SURFACE WHEN THE "EARTH" IS COMES IN THE BETWEEN - (THE SUN AND THE MOON).


93. a narrow strip of land which joints two large land areas is called?

- ISTHMUS.


94. which is called the evening star?

- VENICE PLANET.


95. what is fauna?

- FAUNA IS THE ANIMAL  LIFE OF REGION OR OF A GEOLOGICAL PERIOD.


96. what is flora?

- THE PLANT LIFE OF A REGION OR OF A GEOLOGICAL PERIOD IS CALLED FLORA.


97. what is full moon?

- WHEN THE EARTH IS BETWEEN THE SUN AND THE MOON, FULL MOON OCCURS.


98. what is new moon?

- WHEN THE MOON IS BETWEEN THE EARTH AND SUN ARE CALLED NEW MOON.


99. why did the grass looks green?

- BECAUSE IT ABSORBS ALL THE COLOURS OF WHITE LIGHT EXCEPT GREEN.


100. deficiency of vitamin C in the body is called?

- SCURVY.


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