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Quiz

1. Einstein was awarded Nobel prize for ?

(1) Explanation of photolectric effect on the basis of quantum theory
(2) Theory of relativity
(3) Discovery of photoelectric effect
(4) Establishing mass-energy relation

2. Maximum elasticity is in ?

(1) Rubber
(2) Glass
(3) Steel
(4) Silver

3. Which among the following does not get deflected in a magnetic field ?

(1) Alpha particle
(2) Neutron
(3) Cathode rays
(4) Proton

4. Which among the following is used as nuclear controller in a nuclear reactor ?

(1) Aluminium
(2) Cadmium or Boron
(3) Heavy water
(4) Graphite

5. A substance whose deficiency caused dehydration is ?

(1) Blood
(2) Minerals
(3) Water
(4) Salt

6. Which planet is known as the red planet ?

(1) Mars
(2) Pluto
(3) Jupiter
(4) Venus

7. Light from the nearest star (other than the sun) reaches the earth in ?

(1) 42 Seconds
(2) 42 Years
(3) 4.2 Seconds
(4) 4.2 Years

8. Hydraulic brakes in automobiles work on ?

(1) Archimede's principle
(2) Bernoulli's principle
(3) Pascal's principle
(4) Posieuille's principle

9. Which one of the following was used as a chemical weapon in the first world war ?

(1) Carbon monoxide
(2) Hydrogen cyanide
(3) Mustard gas
(4) Water gas

10. How do most insects respire ?

(1) By lungs
(2) By tracheal system
(3) Through gills
(4) Through skin

11. Which one of the following genetic diseases is sex-linked ?

(1) Cystic fibrosis
(2) Hypertension
(3) Royal haemophilia
(4) Tay-Sachs disease

12. Endoscope, used by doctors for examining the inside of a patient's stomach, works on the principle of ?

(1) Dispersion of light
(2) Reflection of light
(3) Refraction of light
(4) Total internal reflection of light

13. One astronomical unit is the average distance between ?

(1) Earth and Moon
(2) Earth and Sun
(3) Pluto and Sun
(4) Jupiter and Sun

14. On which planet is the day of longest duration ?

(1) Mercury
(2) Mars
(3) Jupiter
(4) Venus

15. Who discovered that nucleus is positively charged ?

(1) James Chadwick
(2) J.J.Thomson
(3) Lord E. Rutherford
(4) Neils Bohr

16. Which among the following is a complementary colour ?

(1) Blue
(2) Magenta
(3) Yellow and magenta
(4) Yellow

17. Which of the following regions/cells in the human body is involvedin controlling blood sugar level ?

(1) Hypothalamus
(2) Islets of langerhans
(3) Spleen
(4) Pitutiary gland

18. Which components of plants receives stimulus for flowering ?

(1) Leaves
(2) Roots
(3) Branches
(4) Stems

19. Sexual reproduction causes genetic variation because of ?

(1) Chromosomal changes
(2) Shuffling of genes
(3) Blending of genes
(4) All of the above

20. Who invented the transistor ?

(1) Roentgen
(2) Ottohann
(3) Sholes
(4) W.Shockley

21. Internet communication uses optical fibre cables because of ?

(1) High data carrying capacity
(2) Low cost
(3) Free from virus threat
(4) Faster than light communication of signals

22. The principle of 'Black hole' was enunciated by ?

(1) H. Khurana
(2) H.J. Bhabha
(3) C.V. Raman
(4) S. Chandrashekhar

23. Minerals are ?

(1) Gases
(2) Inorganic solids
(3) Liquids
(4) None of these

24. Embryo is found in ?

(1) Buds
(2) Flowers
(3) Seeds
(4) Leaves

25. Which one of the following is another name of RDX ?

(1) Dextran
(2) Cyclonite
(3) Cyclohexane
(4) Cyanohydrin

26. Who is the scientist in whose honour the 'Chandra' X-ray telescope has been named ?

(1) Jagdish Chandra Bose
(2) Chandrasekhar Venkat Raman
(3) Subramanyam Chandrasekhar
(4) Prafulla Chandra Roy

27. Radioactivity was discovered by ?

(1) F.Jolio Curie and Irene Curie
(2) Henry Bequerel
(3) Pierre and Marie Curie
(4) Michael Faraday

28. The brightest star in the sky is ?

(1) Bernard
(2) Cerius
(3) Proxima Centuri
(4) Nebula

29. Henry is the unit of ?

(1) Frequency
(2) Capacitance
(3) Induction
(4) Magnetic intensity

30. On heating a soild body, what will expand the most ?

(1) Area
(2) Length
(3) Volume
(4) Equal expansion in all

31. Electromotive force exhibits ?

(1) Momentum
(2) Force
(3) Work (Energy)
(4) None of these

32. Which among the following is not an isotope of hydrogen ?

(1) Deuterium
(2) Tritium
(3) Protium
(4) Yttrium

33. Robert Kanigel's book 'The Man who knew infinity' was published in 1991. This book is whose autobiography ?

(1) Homi Jahangir Bhabha
(2) Sir Niwas Ramanuja
(3) Sir. C.V. Raman
(4) Vikram Sarabhai

34. Which among the following is a noble gas ?

(1) Hydrogen
(2) Helium
(3) Oxygen
(4) Nitrogen

35. Organic compound most abundantly found in nature is ?

(1) Cellulose
(2) Glucose
(3) Fructose
(4) Sucrose

36. Sound travels at maximum speed in ?

(1) Air
(2) Steel
(3) Water
(4) Vacuum

37. Which of the following are Einstein's discoveries ?

(1) Photoelectric effect and X-rays
(2) Radioactivity and the theory of relativity
(3) Photoelectric effect and the theory of relativity
(4) Radioactivity and X-rays

38. Which planets do not have satellites revolving around them ?

(1) Mars and Mercury
(2) Mars and Venus
(3) Mercury and Venus
(4) Neptune and Pluto

39. What is the source of electric energy in an artificial satellite ?

(1) A thermopile
(2) A dynamo
(3) A mini nuclear reactor
(4) Solar cells

40. Which of the following can be made to behave as a superconductor at a temperature of about 100 K ?

(1) Ceramics
(2) Soft iron
(3) Glass
(4) Mercury

41. Several colours on the screen of a colour television are produced by mixing lights of colours ?

(1) Red, yellow and blue
(2) Red, yellow and green
(3) Red, green and blue
(4) Yellow, green and blue

42. Cobalt-60 is commonly used in radiation therapy because it emits ?

(1) Beta rays
(2) Gamma rays
(3) X-rays
(4) Alpha rays

43. Robert Webster is known for his work associated with which one of the following ?

(1) Alzheimer
(2) Cardiology
(3) HIV / AIDS
(4) Influenza virus

44. plants which grow on saline soils are ?

(1) Halophytes
(2) Hydrophytes
(3) Succulents
(4) Xerophytes

45. Cryogenic engines find applications in ?

(1) Frost-free refrigerators
(2) Rocket technology
(3) Superconductivity
(4) Sub-marine propulsion

46. Cobalt-60 is commonly used in radiation therapy because it emits ?

(1) Beta rays
(2) Alpha rays
(3) Gamma rays
(4) X-rays

47. The planet similar to our earth in mass, size, and density is ?

(1) Mercury
(2) Mars
(3) Uranus
(4) Venus

48. Bronze is a mixture of ?

(1) Copper and tin
(2) Copper and zinc
(3) Iron and copper
(4) Zinc and tin

49. Which among the following is a thermosetting plastic ?

(1) Casseine
(2) Bakelite
(3) Polythene
(4) Polyvinylchloride

50. What is used as a fuel in cryogenic engine ?

(1) Liquid Methane
(2) Liquid Helium
(3) Liquid Hydrogen and Liquid oxygen
(4) Liquid Nitrogen

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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