FPSC Civilian Labour Officer Past Paper 2007

41. The planet between Earth and Mercury is
(A) Venus ✓
(B) Mars
(C) Jupiter
(D) Neptune

42. Can you name the three planets of the Solar system which have no satellites?
(A) Mercury
(B) Venus
(C) Pluto
(D) All of A,B,C ✓

43. The velocity of sound is largest in
(A) Air
(B) Water
(C) Steel rod ✓
(D) Kerosene

44. A device which converts chemical energy into electrical energy:
(A) motor
(B) moving-coil meter
(C) generator
(D) battery ✓

45. Liquids are
(A) poor conductors of heat ✓
(B) good conductors of heat
(C) worst conductors of heat
(D) perfect insulators

46. If an iron piece remains exposed to air and dampness, it gets rust on it. Scientifically speaking, rust is
(A) iron oxide ✓
(B) a kind of moss
(C) corrosive quality of damp air
(D) the natural wearing of iron

47. Which of the following air carries no moisture?
(A) dry air ✓
(B) warm air
(C) cool air
(D) icy wind
(E) None

48. Frost is not formed generally on cloudy nights. Reasons?
(A) Absence of water vapour in the air;
(B) Clouds generate air currents and disturbances which do not promote frosty conditions
(C) Clouds prevent radiation and therefore help the ground temperature remain higher ✓
(D) moisture of air has been sucked away by the clouds

49. Lightning is caused when
(A) similar charges of electricity rush towards each other
(B) opposite charges in different clouds break down the resistance offered by the intervening air ✓
(C) clouds strike against impurities in air and result in a gigantic frictional flare-up
(D) earth exerts a pull on the floating clouds

50. Sun is a :
(A) star ✓
(B) planet
(C) asteroid
(D) Meteor

(A) anaemia
(B) hemophilia
(C) high blood pressure ✓
(D) low blood pressure

52. As a person becomes older, his blood pressure generally?
(A) increases ✓
(B) decreases
(C) remains the same
(D) None

53. Roentgen rays are
(A) alpha rays
(B) sun rays
(C) electromagnetic rays
(D) X-rays ✓

54. Sound travels in Water than in air
(A) much faster ✓
(B) much slower
(C) at no difference
(D) None

55 What is an echo?
(A) a natural phenomenon that defies an explanation
(B) a repetition of one’s own voice
(C) a sound repeated by reflection ✓
(D) the proof that dead matter can speak

56. Kinetic energy is the energy that is produced by the fact of
(A) nuclear explosion
(B) human effort
(C) any movement of an object ✓
(D) water power

57. Can you name the scientist who first of all did some, experiments with gravity? Laws of Gravhtation came much later.
(A) Newton
(B) Cavendish
(C) Galileo ✓
(D) Marconi

58. Mercury is an unusual substance because it is
(A) a metal but in liquid form
(B) liquid at room temperature
(C) extremely sensitive to temperature variations
(D) All of A,B,C  ✓

59. A clear sky is blue because?
(A) red light is scattered more than blue
(B) ultra violet light has been absorbed
(C) blue light is scattered more than red ✓
(D) blue light has been absorbed

60. Whale, the largest sea-animal, breathes through its
(A) gills
(B) lungs ✓
(C) fins
(D) skin