Science Gk Questions
1. What is the most important for living things to live?
Answer: Oxygen
2. What are the two holes of human nose known as?
Answer: Nostrils
3. What is the optical phenomenon in the fringe pattern of CD?
Answer: Interference
4. What are the exchange particles in the uark-uark interaction?
Answer: Gluon
5. Through what the plants are using their life cycle?
Answer: Seeds
6. What is not considered as the fruit scientifically?
Answer: Broccoli
7. From where does the plants are getting energy?
Answer: Sunlight
8. Which part of the plant attracts insects to help with pollination?
Answer: Flowers
9. On what is the principle of working of rockets based?
Answer: Law of conservation of momentum
10. What is in the human tongue for tasting different things?
Answer: Taste buds
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11. Who many incisor teeth do rats have?
Answer: Four
12. What is the percentage of fire related deaths due to smoke inhalation than the burns?
Answer: 80%
13. Fraction of volume of ice seen outside when immersed in water?
Answer: 10.5%
14. Which president is acknowledged as the world’ authority on American game animals?
Answer: Theodore Roosevelt
15. What is DMM?
Answer: Digital Multi Meter
16. Until now how many people have landed on moon?
Answer: 12
17. What are the bones known which makes up the spine?
Answer: Vertebrae
18. In which country the greatest tornadoes occur?
Answer: United States of America
19. Name the drug known as wonder drug?
Answer: Penicillin
20. Whom used the wonder drug at its initial times?
Answer: U.S Navy and Army
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21. When was penicillin made pubic?
Answer: 1944
22. Which is the saltiest sea in the world?
Answer: Dead Sea
23. Which colour indicate Highest Temperature?
Answer: Dull red
24. Why Dead Sea is known as Dead Sea?
Answer: Because of its saline nature and don’t drown people
25. What type of beetle is the scarab worshipped by Egyptians?
Answer: Dung Beetle
26. What is effect on your weight as you go down in to earth?
Answer: Decreases slightly
27. What is fog?
Answer: When dust particle get entangled in air particle in atmosphere
28. What is smog?
Answer: Smog is the mixture of dust and smoke particles entangled in air.
29. Which scientists are studying the motion?
Answer: Physicist
30. Which is the force resisting motion of different objects?
Answer: Friction
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31. Which ball would travel long distance if launched from catapult either cotton or iron ball?
Answer: Iron ball
32. Why do cotton ball do not travel long distance if thrown?
Answer: Because of light weight
33. Which force is pulling earth towards its centre?
Answer: Gravity
34. Who gave the laws of motion?
Answer: Newton
35. Will adding weight to your car affect its motion?
Answer: It will move slower than normal speed
36. What is the light year?
Answer: The distance traveled by light in one year
37. Which law says that an object in motion will stay in motion unless another forces changes that?
Answer: Newton First Law
38. Which law of motion say that for every action there is an eual and opposite reaction?
Answer: Newton Third Law
39. What is acceleration?
Answer: Rate of change of velocity
40. What is force?
Answer: The push or pull
41. Define weight?
Answer: The force of gravity on an object.
42. What is LPG?
Answer: Liuefied Petroleum Gas
43. What does LPG contains?
Answer: Butane and Propane
44. What force is used for the launching rockets?
Answer: Air Pressure
45. Which of the following best explains why your body leans to the side when taking a sharp turn in a car?
Answer: Inertia
46. Which component of soil is made of the living materials previously?
Answer: Organic matter
47. What is the name of scientist who studies plants living or dead?
Answer: Botanist
48. Who studies the living animals?
Answer: Zoologist
49. What is the part of flower having the charge to perform photosynthesis?
Answer: Leaves
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50. How plants make their food?
Answer: Through photosynthesis
51. What does coffee contains?
Answer: Caffeine
52. What is the name of gadget used for the detection of feeble current?
Answer: Galvanometer
53. What does ammeter reads?
Answer: Current
54. What are the leaves called that people use to flavor their food?
Answer: Herbs
55. Which of the component of soil is absorbing water at most?
Answer: Clay
56. What is the most important factor for the conduction of photosynthesis?
Answer: Sunlight
57. What part of the flowers are containing the pollen?
Answer: Anther
58. What are the tiny tubes called inside the stem that bring water from the roots to the rest of the plant?
Answer: Xylen
59. Is sunlight a must for the process of pollination?
Answer: No
60. Do sponges have a heart?
Answer: No
61. How many poles do all magnets have?
Answer: Two poles
62. What are the units for the measurements of radioactive element activity?
Answer: The Becueral(1 B = 1 disintegration per second)
63. What would you get if you mix all light colours together?
Answer: White
64. What is the symbol of element silver?
Answer: Ag
65. How much patents did Thomas Edison filed alone?
Answer: 1093
66. What does ATP stands for?
Answer: Adenosine triphosphate
67. What does ADP stands for?
Answer: Adenosine diphosphate
68. What is affecting the sevices of Earth, either meteor or meteorite?
Answer: Meteorite
69. What is the shortest magnet of the Universe?
Answer: A neutron star
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70. Which is the hottest planet of the solar system?
Answer: Venus
71. What is the temparature on Venus?
Answer: 460°C
72. Why does eyesight changes as you get older?
Answer: The eye’s lens continues to grow throughout life, becoming thicker and less transparent.
73. What is the distance of moon from earth?
Answer: 384,400 km
74. Where sound travels faster either in water or air?
Answer: Water
75. What is the amount of salt in average human body?
Answer: 250 gms
76. What is the reason for popping up of bubbles?
Answer: Bubbles get dry from surrounding air
77. How many bones are there in human body?
Answer: 206
78. Manometer used for
Answer: Measuring the pressure of closed system
79. Which organisms are known as the oldest fossils?
Answer: Blue-Green Algae
80. What is the shape of human’s DNA?
Answer: Double helix
81. What is the shape of RNA?
Answer: Spiral
82. What are the bones around the chest known as for protection of heart and lungs?
Answer: Ribs
83. What is the flow of blood form heart to all parts of body known as?
Answer: Circulation
84. Which part of human body is serving purpose of maintaining balance?
Answer: Ears
85. The outside layer of skin on the human body is called the?
Answer: Epidermis
86. What is the cause of maximum deaths in the United States than lightening?
Answer: Tornadoes
87. What is given to wood whose normal cells have been replaced with mineral deposits?
Answer: Petrified wood
88. What is the type of pollination caused by birds?
Answer: Ornithophily
89. What are rodents?
Answer: The animals who eat by stealing food
90. What is the unit scoville heat used for?
Answer: Measurement of heat of chilies
91. Where is the largest known meteorite crater on earth?
Answer: Vredefort Ring in South Africa
92. What name is given to the planets located outside solar system?
Answer: Exoplanets
93. Which blood type is the rarest in the humans?
Answer: AB negative
94. Which of the Australian timber has made the London Docks?
Answer: Syncarpia glomulifera
95. What is the name of Sydney Blue Gum?
Answer: Eucalyptus saligna
96. Which substance is the hardest in the entire human body?
Answer: Tooth enamel
97. Which is the longest type of cell in human body?
Answer: Neurons
98. Which is the only metal to be liuid at room temperature?
Answer: Mercury
99. Who is the invetor of battery?
Answer: Count Alessandro Volta
100. What is the location of Pinna in human bodies?
Answer: Outer ear
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