Lok Sewa Aayog Important Question For Written Exam 2021
Science General Knowledge Important Questions For Loksewa Aayog Examination (With Answer) In English.
1. Speed of light per second?
- 3 lakh km
2. What is the speed of sound per second?
- 332 km
3. How much temperature is required to melt a diamond?
- 3500 D. Celsius
4. Which planet is known as the Cosmic Planet?
- Mars
5. What does substance inertia depend on?
- Body
6. What law of motion defines force?
- First
7. What is the power of the foot knee that is lifted to hit the bhakunda?
- Position power
8. Why do girls have shorter wavelengths than boys ?.
- Because the shape of the sound wave of girls is more than that of boys.
9. What is the frequency of ultrasound?
- More than 20 kHz
10. The depth of the sea is measured by which instrument?
- Fedometer
11. The Latin name of which element is Kalium?
- Potassium
12. What is the most important element?
- Uranium
13. What is meant by chemical reaction (change / del)?
- Heat
14. Which is the densest hard metal?
- Diamond
15. The spider does not have a backbone.
- Orthopoda
16. Which mosquito flower has an air sac?
- Anopheles
17. What is the malaria parasite?
- Plasmodium
18. What are the size of pulse and knee bones?
- Cube shape
19. Which planet is surrounded by planets?
- Sat.
20. What is the time period between two Aussies called? How long does it take?
- Lunar month and 29 days 12 hours 44 minutes 3 seconds
21. What is a height measuring device called?
- Altimeter
22. What is an electric current measuring device called?
- Ammeter -
23. What is a wind speed measuring device called?
- Anemometer
24. What is a tree-plant study called?
- Arboriculture
25. What is a hearing aid called?
- Audiometer
26. What is a hearing aid called?
- Audiphones
27. What is a plant growth measuring device called?
- Auxanometer
28. What is an atmospheric pressure gauge called?
- Barometer
29. What is a heart device called?
- Cardiogram
30. What is the device that converts mechanical power into electrical power called?
- Dynamo
31. What is a device that can be seen inside the body called?
- Endoscope
32. What is gynecology called?
- Gynecology
33. What is the device used to see the sun called?
- Helios cope
34. What is a liquid density measuring device called?
- Hydrorneter
35. What is a non-alcoholic testing device called?
- Breathalyzer
36. What is the density of milk called?
- Lactoimeter
37. What is a microscope called?
- Microscope
38. What is neuroscience called?
- Neurology
39. What is an osmotic pressure gauge called?
- Ohmmeter
40. What is soil science called?
- Pedology
41. What is psychology called?
- Psychology
42. What is the speedometer of an earthquake called?
- Seismometer
44. What is a blood pressure monitor called?
- Sphygmomano meter
45. What is a kidney measuring device called?
- Spiro meter
46. What is the sound device inside the body called?
- Stethoscope
47. What is an electrical disconnection device called?
- Voltameter
48. In which unit is the power outage measured?
- Ohm
49. In which unit is the luminous intensity of light measured?
- Candela (cd)
50. What is the moon of Jupiter called?
- Europa
51. Which planet is 9 hours and 45 minutes long?
- Jupiter
52. How many times is the gravitational force of the sun greater than that of the earth?
- 28 times
53. Which is known as the coldest planet?
- Yum
54. Which is the king of the planets?
- The sun
55. Which planet is considered to be the queen of planets?
- On the moon
56. Which planet is considered to be the prince of planets?
- Mercury
57. How long does it take for the sun to revolve on its axis?
- 25 days 5 hours
58. Who is Surya's father-in-law?
- Vishwakarma
59. What is a type of cloud that appears in the center of the sun called?
- Umbra
60. Which planet is also known as Morning Star?
- Mercury
61. What is the bright edge around the sun called?
- Penumbra
62. Which planet is also known as Evening Star?
- Fri.
63. Which planet is called the twin planet of the earth?
- Fri.
64. How long time does it take for the moon to orbit the earth?
- 27 days 8 hours
65. Who is the scientist known as the Father of Science?
- Albert Einstein
66. Which planet is called King of the planate?
- Jupiter
67. What is the bright light seen in the upper atmosphere of the North Pole called?
- Aurora Borealis
68. Who is known as the Prince of Experiment?
- Michael Faraday
69. What is the first tissue culture crop in Nepal?
- Potatoes
70. What creature did Aristotle call the "engineer of the earth" and the "intestine of the earth"?
- Gadyaula
71. A baby born with a twin is called a cyan twin. What is a twin born with a head?
- Crane Opagus
72. What is the weight satellite to detect a hole in the weight layer?
- Nimvas-7
73. What is a flower that blooms in the same color as water?
- Jailam
74. What was the name of the American spacecraft that reported the presence of water on the lunar surface in March 1998?
- Lunar Prospector
75. What is the planet discovered by Galileo?
- Sat.
76. What are the planets in the solar system that our naked eye cannot see?
- Uranus, Neptune, Pluto
77. How far can sunlight travel in water?
- 300 feet
78. Which substance decreases in volume by increasing the temperature from 0 C to 4 C?
- Water
79. What is the gas known as Novel Gas?
- Helium
80. When a person dies, which of the following senses stops working?
- Ears
81. What do insects use to exchange information?
- Xeromons
82. What is the explosive sound of gunpowder called?
- Order
83. When was the first photo of the moon taken from space?
- October 4, 1959.
84. Who is the first doctor to perform his own operation?
- Avon Hokin
85. What is the first word spoken on the moon?
- ok
86. In what year was the Helsinki Declaration on Ozone Conservation made?
- 1989
87. Which part of the body is most affected by nuclear radiation?
- Hademasi
88. What is the ozone layer?
- Stratosphere
89. What is the amount of ozone layer on the surface of the earth?
- From 0.02ppm to 0.03ppm
90. What is the unit of measurement of light reflected from the surface of a planet or any celestial body called?
- Alvido
91. What is the name of the first creature born in space?
- Paddy
92. What is the name of the deepest part of the moon?
- Sea of Tingality
93. Which is the highest mountain on the lunar surface?
- Darfill Pick
94. Which metal is called fool's gold?
- Ferric oxide
95. Who brought the concept of greenhouse effect?
- Verin Jean Ferrier (France)
96. L.P. What is the percentage of sprit in gas?
- 57.6%
97. Cooking gas L.P.G. What gas is in?
- Butane
98. What is the percentage of methane in manure gas?
- 50% to 70%
99. What is the lowest temperature according to physics?
- –273 C.)
100. How many dust particles per cubic meter is considered by the World Health Organization as the minimum standard for air pollution?
- 40 microns
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