Import gk Question With answers

1. What is Yellow Fever?
Jaundice like disease affecting liver, it is caused by a Virus spread by a spices of Mosquito called “a edes aegypti”.

2. Name the Lightest Gas?
Hydrogen.

3. How Many Cells are in Human Brain?
Twenty Billion.

4. What is Ecology?
Ecology is the scientific study deals with Animals, Plants and Environment.

5. What do you understand by word “Vixillogy”?
Vixillogy is the scientific study of the Flags.

6. Name the Vegetable with high Potency of Vitamin C?
Alma.

7. Who discovered the law of Floating Bodies?
Greek Scientist Archimedes in 3rd Century B.C discovered the law of Floating Bodies.

8. What is Bloodless Revolution?
Called also glorious revolution in England, It marked the end of despotic ruling of the Stuarts and gave away to Parliamentary rule in 1688.

9. Which City is called Forbidden City?
Tiger.

10. Which City is known as City of Skyscrapers?
New York

11. What is Schizophrenia?
Schizophrenia is sever mental disorder damages the patient’s personality.

12. Which Language is written from top to bottom and right to left?
Japaneez

13. What Plainmeter stands for?
An instrument used to measure area by the Engineer.

14. What is Concordance?
An Index/Glossary of words or topics in a Book.

15. Name the most poisons Snake?
The King Cobra

16. What is Balance of Power?
A state of mutual helplessness i.e. When the Countries of the world are so evenly divided or aligned into groups in a such manure that no group can afford to take advantage over the other state.

17. What is Drindle?
A kind of Dance.

18. What do you mean by 4 Freedoms?
Expounded first by the President of America D. Roosevelt. The four freedoms are as: - (1) Freedom of Speech (2) Freedom of Religion (3) freedom from want (4) Freedom from Fear/Panic.

19. What is Durand Cup?
Trophy of Football Matches instituted by Sir Mortimer Durand.

20. What is Caucus?
American term for call for a meeting of the Party Managers to work out Strategy and select a candidate for election, the term also denotes a power full division or dominant group within a party.

21. Word Tout stands for?
A person who hangs about in law of Court and induces Client to entrust their cases to a particular matter.

21. Palliative stands for?
An action, a decision, etc that is designed to make a different situation seems better without actually solving the cause of the subject problem being confronted. This word is also renowned in Medical Sciences with different meanings.

22. What is Claustrophobia?
A Psycho-path where a person feels morbid dreads in closed and congested places. This is very nicely treated with tetra cyclic group Anti-depressants. Such as Prozac (Flouxatine 20 mg). Psychotherapy has also been favorable in patients with Claustrophobia. It has a similar type of mental disease called Agoraphobia.

23. Why does Syphone not work in Vacuum?
A Syphone therefore, can not work in a Vacuum because there is no atmospheric pressure in it; it is the only atmospheric pressure which causes the rise of fluid in the shorter arm of tube in a Syphone.

24. Why does a Fountain Pen splits out Ink in Airplane?
The Pressure in the atmospheric air is at high altitude and is less as compared to sea level. Therefore, the air inside the Fountain Pen expends at high altitude and the Ink in Pen is pushed out.

25. How does Bats avoid obstacles in Dark?
The Bats have had a natural source of Ultrasonic waives more audible then that of normal sounds. This makes the Bats alert of any obstacle in Dark.

26. Which is more Elastic a Glass or Rubber?
The Glass is more elastic than rubber, the former produces more stress than the latter.

27. What is difference between “Pressure” and “Thrust”?
Pressure is the force acting upon unit area of surface from any direction.
Thrust is the force acting perpendicularly/vertically upon a body in contact with fluid which opposes the weight of subject body. The greater the surface of contact of the body with fluid is, the greater will be the thrust.

28. Why we notice Sunset/Sunrise red?
Normally, the sun light appears white which contains all the colors, but usually we can not see them until they are not broken down in to spectrum, this all phenomena take place when sun rays come towards us at a low range as in Sunrise & Sunset. This is all what about making the color of Sun Red.

29. What is difference between “Dam” & “Barrage”?
Dam, a barrier built across a stream, river or an estuary to conserve water for such uses as human water needs, irrigation, flood control and origination of electric city. Barrage, A wall of barrier constructed transversely to a river to store water or prevent flood and the upper surface of a barrage may also be used for transportation, as Sukkar Barrage.

30. Why Motorists (Drivers) use Convex Mirrors?
Convex Mirror gives a wide view of the scene, because a diminished image of the object is formed, therein.

31. How Ozone layer does is formed and also give comments as how Ozone is considered important for survival of creatures?
Ozone (O3) layer is formed by combination of countless gases e.g. Oxygen, Helium , Carbon, Hydrogen etc, in the upper atmosphere under influence of Sun rays ( UV radiation). Ozone is a good absorber of these Ultra Violated radiations which are harmful to creatures on earth; therefore, Ozone is important for the survival of human on earth. And so, the enriched friction of global warming due to certain sources of Pollution is a threat to Ozone layer.

32. Can water be used as a fuel for a Car, if yes then how?
Yes, Oxygen and Hydrogen can but after electrolysis recombination to release energy equal to the energy produced by fuel.

33. Why does a Clock loose time in summer?
The study relevant to “Law of Expansion” would be the best answer of this question, anyhow, in summer due to heat metals get expended, thus the length of a pendulum of a clock increases this in turn results in increase of the duration of each oscillation of the pendulum and clock loose time.

34. It is easy to lift a heavy stone under water than air. Why?
There is prominent loss of weight in the stone when immersed in water; hence, it is easier to lift stone in water.
35. Why cooking is quicker in pressure cooker?
The pressure cooker is an air tight container, when the steam inside the cooker unable to escape, this result in great increase of heat inside the cooker, the boiling point of water in cooker enriches and the substance inside the cooker gets cooked quickly.

36. Ice floats on Water but Sinks in Alcohol, Why?
Ice floats on water because its density at zero degree centigrade is 0.92 gm per cubic centimeters and is lighter than that of water, but it sinks in Alcohol because it has lesser density as compared with Ice.

37. How to judge the freshness of egg?
No need to worry about just put the egg in a tumbler of water in which mix a teaspoon of salt. If the egg sinks its fresh, floats gives clue of its spoiling.

38. When a boy jumps and run fast, why?
By running the body gets warmer into motion and the Metabolic Rate of body is also increased and the momentum (energy) so imparted is to keep it in motion when the body is in air as during the long jump.

39. In winter we feel warm while wearing Wool covers?
Wool is bad condenser of heat, woolen cloths do not allow the heat of our body to escape and thus we feel warm.

40. Why does a ship floats on water?
As weight of water displaced by the portion of ship inside water is equal to the total weight of the ship and its floats.

41. Why speaking is visible in winter?
In cold weather the water vapor contained in the exhaled breath condensed, it makes the breath visible.

42. Why do the spoiled eggs float on water?
In bad egg the fermentation of the yolk produces putrid gasses and the volume of gasses as produced in rotten eggs are lighter than water, and therefore, spoiled eggs remain floating on water.

43. Name the colors form rainbow?
Seven colors viz. Violet, Indigo, Blue, green, Yellow, Orange and Red colors.

44. What do you mean by Glacier?
Large mass of perpetual Ice forms on land through the recrystallization of snow and that moves ahead under its own weight. Glacier occurs where snowfall in winter exceeds the normal melting values. Gigantic Glaciers are lying in Antarcartica and Green land. In summer and due to global warming the Large Glaciers are melted in great velocity and can cause floods.

45. How Pulleys are Useful?
In mechanics, a wheel that carries a flexible rope cord, cable, chair or belt on its rim. Pulleys are used singly or in combination to transmit energy and motion.

46. What is Sterilization?
Any surgical procedure intended to end permanent fertility; such operations remove or block the anatomical pathway that allows Sperms and Ova to form embryo. Such surgical procedures may be as: - 1. Tubule Ligation 2. Oophorectomy 3. Hysterectomy 4. Vasectomy 5. Prostactomy so and so forth.

47. Define Hibernation?
State of greatly slowed metabolism “low metabolism rate” (LMR) and low body temperature “Hypothermia” in winter in certain animals. True hibernations are the Cold-blooded animals and few of mammals.

48. Where is Saliva produced?
Saliva an oral cavity produced by Salivary Gland in mouth beneath the jaws. This starts first digesting process in body. Salivary Gland produces an enzyme called Salivary Amylase. Moreover, it may be noted that Saliva can only digest the Carbohydrate (Starch) containing food and rest of the food is moved to the stomach for further digestion.

49. What is Horticulture?
Horticulture is a branch of Science and deals with cultivation of Fruit, vegetables, Flowers and Shrubs (bushes).

50. What is a fog?
Fog, when hot moister air comes in contact with cold air or cold water, it’s cooled and some of the water vapors condensed round the floating particles of dust in the atmosphere and form a dense fog.

51. How are Tides caused?
Movement of the sea caused by the attraction exerted upon the sea by the moon and to lesser extent by the sun, at fall and new moon the tidal force of the sun is added to that of moon causing high spring tides while half moon focuses are opposed and causes low leap tides.

52. What is surface temperature of Sun and its distance from earth?
• Surface Temperature. Approximately 6000’c
• Inner Surface Temperature. Approximately 13000000’C
• Distance. 149.6×10 km

53. Why Carbohydrates are needed?
The food must include sufficient quantity of a well balanced mixture of Carbohydrates, a large group of organic compounds of, Carbon, Oxygen, hydrogen and more. It appears with its chemical formula C× (H2O). Carbohydrates play an important role in providing energy which is stored in principal form of starches in Liver.

54. What is Conductor? Give answer in light of example?
Conductor is the substance that allows the flow of electric current of heat though it, for instance:-

• White Cloths are counted bad conductors.
• Wools are called good Conductors.

55. What is Insulator?
Insulator is the very contrary to Conductor that does not allow the flow of electric current.

56. Differentiate between “Astrology” & “Astronomy”?
• Astrology is the science of predicting human destines as influenced and conditioned by the positions & Movements of Stars. This is widely castigated by the Theocratic but valued in Hinduisms.
• Astronomy is the scientific study of the heavenly bodies; this allows monitoring their natural positions and movements.

57. How Clouds are formed?
Cloud is a large condensed mass of water vapors elevated in the air and possibly frozen into tiny particles of Ice. Air is never free from dust in a long time, just as dust itself does this “Water-Dust” as we may call it clouds.

58. What is Precipitation?
The formation of precipate a common type of precipitation(rain fall) much used in chemical analysis and precipitation occurs by double decomposition when two solutions/elements are intermingled and if the solution contains radical of an insoluble compound. Such as Oxygen and Hydrogen combination along with other compounds fusion results in Precipitation.

59. What are the Satellite are used for today?
In up comings wars would be waged through space satellites to deceive weapons, strategic warfare is fought on a global scale by these satellites. The chief targets of enemy such as Atomic Energy Zones and Cantonments would be anesthetized by Satellites. If done so the state which got ruined by Satellite Warfare shall be made so handicap. Moreover, Satellites are also a great source of sending updating variable information about Space and Planets.

60. One Lean forwards while climbing hills?
While in a leaning posture, the center of gravity of the body also shifts forward and this helps in climbing Hills easily. All such things can be evaluated by gravitational force.

61. Why does a blotting paper absorb Ink?
The blotting paper has a number of capillaries of very fine pores, because of the air space between its fibers. When a portion of a blotting paper is brought into contact with Ink, the latter goes into the former because of the capillary action, this transmission of Ink into capillary portion leads to absorption.

62. Why Water gets Cool on Evaporation?
Water absorbs a certain amount of heat from itself as a latent at the time of evaporation, therefore, it gets cooled.

63. A needle sinks in water, but an iron ship floats on it, why?
The specific gravity of a needle is greater than that of water and it therefore, sinks in water, but an Iron ship is so designed that the total weight of water is displaced and it is greater than the ship itself.

64. Why rain Water is soft but river water is hard?
Rain Water is the purist form of naturally occurring water being obtained as a result of evaporation from the surface of the sea, as such this is soft water. Now when the rivers flow down in the plains it takes up suspended impurities/contaminations/Clays and becomes muddy and hard.

65. Why does Silver Tarnish?
It tarnishes because of oxidation.

66. Who Invented Peneumative Tier?
R.W Thomson

67. What weight of Air we carry?
14.7 Per square inch.

68. Why the Cloudy Nights are generally warm?
Because, clouds prevent the radiation of heat from land to air.

69. What is Aerodynamics?
Aerodynamics is the scientific study of Motion & Air.

70. What is Duce?
Duce is a term used in tennis and badminton, when sides level at the game point.

71. What is Magna Carta?
Also known as “Great Charter” it was signed by the King John II, and it formed the fundamental rights and liabilities of English people.

72. Which Country is known as the sugar bowl of the world?
Cuba.

73. What is Brain Wash?
Migration of Scientists, technologists and other Talent from a country.

74. Where is Diego-Garcia Situated?
Diego-Garcia is an atoll (Island) in the Indian Ocean near Mauritius. It had been the hit Headline of News Papers because USA is developing it as a naval base.

75. Why river Hawing Ho is called sorrow of China?
Because river Hawing Ho havocked China by a flood in country.

76. Which region is known as Doldrums?
It is situated 50° north and 50° equator and is marked by high rainfall, humidity, temperature & thunder storms.

77. Which Country is called the land of mid-night sun?
Norway.

78. Name the Galaxy earth belongs to?
The Milky Way.

79. What is Apartheid?
The world apartheid is form of Africans, meaning policy of keeping the white and black apart.

80. Who were Romulus and Remus?
They are the legendary twins read up in the novels and are said to have found Rome.

81. What is Utopia Planitia?
The site on Mars, where USA’s Viking II landed on September 4, 1976.

82. What is Pasteurization?
It is a chemical process which prevents the liquid food from being spoiled, the French Scientist Louis Pasture invented it and it is named after him as, Pasteurization.

83. Name the largest Island of World?
Kalaalit Nunaat (Formerly Greenland) 2175000 sq km (840,000) sq mi.

84. Why does the tail of Comet gets shorter?
The tail of Comet gets shorter as it recedes from the sun, because of the falling temperature with increasing distance from sun.

84. Why objects appear black?
When all radiation falling on an object gets absorbed, it appears black since only the radiation from surrounding surface is reflected to the eye.

85. Why a Feather and Lump of Lead fall on at same time and rate?
Both fall at the same at the same rate freely from the two points. In vertical plan and if they fall in vacuum.
86. Note down the function of a Radiator in a Car?
To cool the engine by evaporating as radiator encompasses good amount of water in it. This helps in preventing the car from heating up.

87. Why Ships rises in sea not in river?
The ship rises in sea because of greater upthrust of sea water on the ship as compared to the river. Moreover, the density of sea water being greater than that of river water causes great upthrust.

88. What is a convex mirror?
A convex Mirror gives a greater field of view. In a Convex Mirror the Image, although virtual is erected and of smaller size than the object therefore, it is able to present a greater filed vision.

89. Why lightening Conductors are fixed on large Buildings?
The lightening conductors affixed to tall buildings absorb the electricity transmitted by lightening and pass it to the earth, thus they save the building against damages caused by natural lightening.

90. Why Clinical thermometer is not thrown in boiling water?
A Clinical thermometer has provisions of the Mercurr6y to expend only up to 112 degree Fahrenheit. The temperature of boiling water greatly exceeds these limits. Hence, if dropped in boiling water the Clinical Thermometer may have a burst.

91. How does a rainbow formed?
The sun razes fall on a drop of water hanging in the sky, they are split upped into seven constituent colors viz. Violet, Indigo, Blue, green, Yellow, Orange and Red. A rainbow is thus formed by combined refraction dispersion and internal refraction of Sun’s razes on drops.

92. How does a Thermos keeps fluid hot for a long time?
The Thermos has doubled walled glass container with perfect vacuum inside vacuum is a good insulator and it does not transmit heat by conduction the inside of the glass wall is well polished and it reflects back the heat towards the contents. Thus the Thermos keeps the liquid hot for a long period.

93. What is LSD?
LSD stands for denxtro Lysergic Acid a hallucinating substance.

94. How Bats can fly in dark?
By Echolocation, this originates ultrasonic waives more snooping than that of ordinary sound waives that enables the Bats to fly in dark and avoid any obstacle.

95. What would happen if Gravitational Force disappears at once?
By virtue of the gravitational force the mater/things are maintained on earth, if all of sudden this force is disappeared so the objects on earth would float as in space and the rotation of earth would be same as before, thus no body will be able to eat, run, walk and no more survival.