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Quiz

1. Dry cells use as electrolyte ?

(1) Ammonium chloride
(2) Carbon
(3) Manganese dioxide
(4) Zinc

2. Ozone is ?

(1) Allotrope of oxygen
(2) Bleaching agent in presence of water
(3) Harmful to humans
(4) All of these

3. Potassium bromide is used in ?

(1) Common salt
(2) Gunpowder production
(3) Radio dating
(4) Photography

4. The salt is produced when zinc reacts with sulphuric acid is ?

(1) Zinc chloride
(2) Zinc carbonate
(3) Zinc nitrate
(4) Zinc sulphate

5. PVC is used in plastic industry, the term PVC stands for ?

(1) Polyvinyl chloride
(2) Plyvinyl chlorobenzene
(3) Polyvinyl calcium
(4) Polyvinyl carbonate

6. The property of water which permits an insect to "walk" on water is ?

(1) Surface tension
(2) Tensile strength
(3) Turgor pressure
(4) Viscosity

7. Which of the following is most abundant metal on earth ?

(1) Aluminium
(2) Iridium
(3) Iron
(4) Silver

8. Which type of bond is present in Diamond ?

(1) Covalent
(2) Ionic
(3) Molecular
(4) None of these

9. Which is the best conductor of electricity ?

(1) Aluminium
(2) Copper
(3) Silver
(4) Zinc

10. The emerald is the green crystalline form of what common mineral ?

(1) Beryllium Aluminum slicate
(2) Copper assenate
(3) Copper acetate
(4) Copper silicate

11. Which one of the following is used as an anti-freeze for the automobile engines ?

(1) Ethanol
(2) Ethylene glycol
(3) Methanol
(4) Propyl alcohol

12. Tetraethyl lead (TEL) is added to petrol to ?

(1) It acts as antifreezer
(2) It increases combustion
(3) Increase flash point
(4) To increase anti-Knocking rating

13. Which one of the following is non-metal but is not poor conductor of electricity ?

(1) Bromine
(2) Phosphorus
(3) Selenium
(4) Sulphur

14. Hardness of woods is due to the presence of ?

(1) Cellulose
(2) Magnin
(3) Lignin
(4) Xytene

15. What is the average length of life of Red Blood cells (RBCs) found in the blood cells ?

(1) 40 days
(2) 120 days
(3) 40 years
(4) 100 years

16. What are the plants germinating on rocks, called ?

(1) Algae
(2) Ambriyophytes
(3) Fungi
(4) Lithophytes

17. Which cells are responsible for the making of urea from ammonia ?

(1) Heart cells
(2) Kidney cells
(3) Liver cells
(4) Stomach cells

18. Minium cell size seen under light microscope is ?

(1) 1um
(2) 0.1um
(3) 0.5 um
(4) 0.25 um

19. Which of the following is incorrectly matched ?

(1) Blood Circulation-William Harvey
(2) Pencillin-Alexander Flemming
(3) Theory of Evolution-Charles Darwin
(4) Vaccination-Louis Pasteur

20. Plants absorb dissolved nitrates from soil and convert them into ?

(1) Ammonia
(2) Free nitrogen
(3) Proteins
(4) Urea

21. We lose consciousness if blood flows-to the brain is cut off for more than ?

(1) 2 sec
(2) 5 sec
(3) 15 to 20 sec
(4) 5 min

22. The artificial kidney operates on the principle of ?

(1) Active transport
(2) Dialysis
(3) Diffusion
(4) Osmosis

23. The excreta of lizards and birds contains a white component which is chemically ?

(1) Creatinine
(2) Precipitated calcium
(3) Uric acid
(4) Urea

24. Largest known bacterium is ?

(1) Bacillus baschiliin cockroach
(2) Bacillus buschili in man
(3) Epulopiscium fishelzoni
(4) Spirillum voluntans

25. A mature living cell without a nucleus is ?

(1) Compantion cell
(2) Sieve rube
(3) Sieve cell
(4) Vessel

26. The powerhouse of a cell is the ?

(1) Chloroplast
(2) Golgi apparatus
(3) Mitochondria
(4) Plastid

27. Which of the following process does not requires oxygen ?

(1) Glycolysis
(2) Respiration
(3) Kerb cycle
(4) Photorespiration

28. The unicellular algae which is used in space porgramme to regulate the supply of oxygen is ?

(1) Chlorella
(2) Codium
(3) Chlamydomonas
(4) Spirogyra

29. The cause of tree shedding leaves in winter is ?

(1) The preparation of trees in England for winter snowfall
(2) The preparation of trees in India for summer heat
(3) The trees take rest after the activity of summer
(4) To prevent loss of water which becomes scarce

30. Which is the most fast spreading disease ?

(1) Poliomyelites
(2) Plague
(3) Malaria
(4) Leprosy

31. The gestation period of a cow is ?

(1) 150 Days
(2) 280 Days
(3) 300 Days
(4) 365 Days

32. A bat is ?

(1) An amphibian
(2) A mammal
(3) A avian
(4) A reptile

33. Which of the following is used by green plants for the manufacture of sugar ?

(1) Carbon dioxide
(2) Sun light
(3) Water
(4) All of the above

34. Which gas is commonly used in balloons and airships ?

(1) Carbon dioxide
(2) Helium
(3) Hydrogen
(4) Hydrogen sulphide

35. Cooking gas contains more than 90 per cant of this gas ?

(1) Hydrogen
(2) Helium
(3) Methane
(4) Sulphur dioxide

36. Of all the gases present in the air, which one of the following is highest in percentage ?

(1) Carbone dioxide
(2) Hydrogen
(3) Oxygen
(4) Nitrogen

37. Proteins are assembled from this acid ?

(1) Amino acid
(2) Formic acid
(3) Iodic acid
(4) Nitrous acid

38. Of the following chemical compounds, which one may soon be used as a fuel for driving vechicles ?

(1) Ethene
(2) Ethane
(3) Ethanol
(4) Ethylene

39. Of the following gases, tell which one is used in the multicoloured display signs seen at nights ?

(1) Argon
(2) Krypton
(3) Neon
(4) Xenon

40. Of the following drinks, tell which one has the lowest alcohol contents ?

(1) Beer
(2) Gin
(3) Wine
(4) Vodka

41. Of the following drugs, which one is present in cola drinks ?

(1) Cocaine
(2) Caffeine
(3) Opium
(4) Valium

42. Electric bulbs are filled with this gas ?

(1) Argon
(2) Carbon dioxide
(3) Oxygen
(4) Nitrogen

43. Why does a liquid drop assuming a spherical shape ?

(1) Because a sphere has the least surface for a given volume
(2) Because a sphere has the largest surface for a given volume surface tension
(3) Because intermolecular force are weak in liquids
(4) Because intermolecular force are weak in liquids

44. Which of the following is used in a Reflecting Telescope ?

(1) Convex mirror
(2) Concave mirror
(3) Plane mirror
(4) None of these

45. Archmedes was a ?

(1) British scientist
(2) Danish scientist
(3) Greek scientist mathematician
(4) Spanish scientist

46. After the name of which Indian scientist does the Council of Scientific and Industrial Research (CSIR) awards every year prizes to scientists for their outstanding contributions to sciences, engineering and technology ?

(1) J. C. Bose
(2) S. S. Bhatnagar
(3) Meghnad Saha
(4) T. R. Sheshadri

47. Water-pipes burst in severe winter at hill stations because ?

(1) They contract on cooling
(2) Pipes expand on cooling
(3) Water in the pipe contracts on freezing
(4) Water in the pipe expands on freezing

48. For being able to see three-dimensional pictures we have to use ?

(1) A binocular
(2) A camera
(3) An epidiascope
(4) A stereoscope

49. In the cold countries Ethylene Glycol is put in radiators of cars. This is done in order to ?

(1) To reduce freezing point
(2) To make the water a good lubricant
(3) To reduce cooling
(4) Reduce specific heat of water

50. The density of sea water increases as ?

(1) Depth and salinity decrases
(2) Depth decrases and salinity increases
(3) Depth incrases and salinity decreases
(4) Depth and salinity increases

51. While lifting a bucket of water from a well. We feel that the bucket ?

(1) Becomes lighter above the surface of water
(2) Becomes heavier above the surface of water
(3) Loses stability on coming out of the water
(4) Has gained mass on coming out of water

52. At what height above earth geo-stationary satellites are "fixed" ?

(1) At the height of 36,000 km
(2) At the height of 3,600 km
(3) At the height of 36,000 m
(4) At the height of 10,000 km

53. The period of revolution of a geo-stationary satellite is ?

(1) 24 Hours
(2) 30 Days
(3) 365 Days
(4) Changing continuously

54. Seen through a mirror the arms of a clock show 9.30. What is the actual time ?

(1) 2.30
(2) 3.30
(3) 6.10
(4) 6.30

55. How many 100 watt bulbs may be safely used on 220 volts with five amperes fuse ?

(1) 5
(2) 10
(3) 11
(4) 22

56. A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to ?

(1) Remain unaffected
(2) Fall towards the train
(3) Fall away from the train
(4) Fall away from or towards the train depending on its speed

57. A device used for measuring the depth of the sea is called ?

(1) Altimeter
(2) Fathometer
(3) Hydrometer
(4) Manometer

58. When the speed of a body is doubled, its kinetic energy becomes ?

(1) Double
(2) Half
(3) Quadruple
(4) One-fourth

59. Magnetism at the centre of a bar magnet is ?

(1) Minimum
(2) Maximum
(3) Minimum or maximum
(4) Zero

60. An ordinary clock loses time during summer because the length of the pendulum ?

(1) Increases and therefore the time-period increases
(2) Increases and therefore the time-period decreases
(3) Decreases and therefore the time-period increases
(4) Decreases and therefore the time-period decreases

61. A fluorescent tube is preferred to an electric bulb because ?

(1) It has larger light emitting surface
(2) Its light is not harmful to the eyes
(3) In a tube, electrical energy is almost fully converted into light energy
(4) Voltage fluctuation do not affect it

62. In a barometer, mercury is preferred over water because ?

(1) Mercury has high density and low vapour pressure
(2) Mercury is available in pure form
(3) Mercury is a good conductor of heat
(4) Mercury is shining and therefore, its level can be read easily

63. Sun spots are ?

(1) The mountains found on the surface of the sun
(2) The dark patches having less temperature than the normal surface
(3) Ionized gases found near the solar surface
(4) The magnetic storms on the surface of the sun

64. The formation of VIBGYOR colours in soap film is a consequence of the phenomenon of ?

(1) Interference
(2) Diffraction and dispersion
(3) Multiple refraction and dispersion
(4) Polarization

65. The sun spots cause ?

(1) Aurora borealis and aurora australis
(2) Polar auroras
(3) Magnetic storms on the surface of the sun
(4) All of these

9 thoughts on “Scroll Content

  1. xtra ordinary site, n cmplt info availble over here..bt vil u plz update the current affairs of oct& nov as far as psbl,espcialy those r useful 4r banking..

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