4th Jharkhand PSC Pre - 2010

Showing 41 - 60 of 98 entries

41.  The maximum weight of a body. 

  • A
  • in air

  • B
  • in water

  • C
  • in hydrogen

  • D
  • in vacuum

Show Answer
Correct Answer : D [ in vacuum ]

42.  Endoscopy is used for internal examination of the abdomen of patient by doctor light is 

  • A
  • Depend on reflection

  • B
  • Depend on dispersal

  • C
  • Depend on refraction

  • D
  • Depend on total internal reflection

Show Answer
Correct Answer : D [ Depend on total internal reflection ]

43. What is absolute zero temperature? 

  • A
  • The starting point of any temperature scale.

  • B
  • Theoretically the lowest possible temperature.

  • C
  • At which temperature all liquid substances are condenses to vapour.

  • D
  • At which temperature all substances at the vapour phase.

Show Answer
Correct Answer : B [Theoretically the lowest possible temperature. ]

44. The fish lives under ice-frozen lake because 

  • A
  • The fishes is warm blooded creature.

  • B
  • The fishes is inactive in ice.

  • C
  • Water does not freeze to the bottom of the lake.

  • D
  • The ice is good conductor of heat.

Show Answer
Correct Answer : C [Water does not freeze to the bottom of the lake. ]

45. Which of the following is not metal-minerals? 

  • A
  • Hematite

  • B
  • Bauxite

  • C
  • Gypsum

  • D
  • Limonite

Show Answer
Correct Answer : C [Gypsum ]

46. In the dry cell, which of the following is used as electrolytes? 

  • A
  • Ammonium Chloride and Zinc chloride

  • B
  • Calcium Chloride and Ammonium Chloride

  • C
  • Magnesium Chloride and Zinc Chloride

  • D
  • Sodium Chloride and Zinc Chloride

Show Answer
Correct Answer : A [Ammonium Chloride and Zinc chloride ]

47. What is dry ice? 

  • A
  • Solid ice without water

  • B
  • Solid SO2

  • C
  • Solid CO

  • D
  • Solid CO2

Show Answer
Correct Answer : D [Solid CO2 ]

48. Which polymer material is used in production of bullet proof jacket? 

  • A
  • Nylon 6,6

  • B
  • Rayon

  • C
  • Kevlar

  • D
  • Decron

Show Answer
Correct Answer : A [Nylon 6,6]

49. The gas cook the fruit artifically is- 

  • A
  • Ether

  • B
  • Ammonia

  • C
  • Acetylene

  • D
  • Ethylene

Show Answer
Correct Answer : D [Ethylene ]

50. Consider the following statement  (a) In fire extinguisher use of baking soda.  (b) Slaked lime is use in production of glass.  (c) Gypsum is use in production of plaster of paris.  Choose correct answer.

  • A
  • a and b

  • B
  • b and c

  • C
  • only a

  • D
  • a, b and c

Show Answer
Correct Answer : D [a, b and c ]

51. Whose mixture is LPG?

  • A
  • CO and CO2

  • B
  • Butane and Propane

  • C
  • Methane and Ethylene

  • D
  • CO2 and Oxygen

Show Answer
Correct Answer : B [ Butane and Propane ]

52.  What is teflon? 

  • A
  • Florocarbon

  • B
  • Hydrocarbon

  • C
  • Microbicides

  • D
  • Insecticide

Show Answer
Correct Answer : A [ Florocarbon ]

53.  There is also the name of artificial silk. 

  • A
  • Rayon

  • B
  • Decron

  • C
  • Fibre glass

  • D
  • Nylon

Show Answer
Correct Answer : A [ Rayon]

54. What micro-organism causes Hepatitis-B disease? 

  • A
  • Virus

  • B
  • Protozoa

  • C
  • Bacteria

  • D
  • None of these

Show Answer
Correct Answer : A [Virus ]

55. The percentage of water in plasma is- 

  • A
  • 60%

  • B
  • 70%

  • C
  • 80%

  • D
  • 90%

Show Answer
Correct Answer : D [90% ]

56. How much protein should taken of a working woman every day? 

  • A
  • 30 gm

  • B
  • 37 gm

  • C
  • 40 gm

  • D
  • 45 gm

Show Answer
Correct Answer : D [45 gm ]

57. Which of the following organism breathes from skin? 

  • A
  • Fish

  • B
  • Pigeon

  • C
  • Frog

  • D
  • Cockroach

Show Answer
Correct Answer : C [Frog]

58. The blood is 

  • A
  • A connective tissue

  • B
  • A Epithelium tissue

  • C
  • Both (1) and (2)

  • D
  • None of these

Show Answer
Correct Answer : A [A connective tissue ]

59. Do matched the List I (Disease) with List 2 (the deficiencies caused them) and choose the correct answer from using the codes given below list.  List 1                                    List 2 (the deficiencies caused them)(Disease)                                                               (a) Rickets                            1. Vitamin D  (b) Beriberi                           2. Vitamin B1  (c) Night Blindness               3. Vitamin A  (d) Scurvy                             4. Vitamin C  Code: (a) (b) (c) (d)

  • A
  • 1 2 3 4

  • B
  • 4 2 3 1

  • C
  • 3 2 1 4

  • D
  • None of the above

Show Answer
Correct Answer : A [ 1 2 3 4 ]

60.  Which part of the human body made of lymphatic cells? 

  • A
  • Liver

  • B
  • Long Bone

  • C
  • Pancreas

  • D
  • Splenitis

Show Answer
Correct Answer : B [ Long Bone ]
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