100 Questions of Science - 2

1. Acceleration generated in any body by an unbalanced force - is proportional to the force.
2. Neutron is a temporary particle.
3. The components of atomic nuclei are: proton and neutrons
4. The study related to the cultivation of ornamental trees and shrubs is called - Arboriculture
5. Which lens is used in the person's eyeglasses with Nearsightedness problem? - Concave lens
6. Which lens is used in the person's eyeglasses with Farsightedness problem? - Convex lens
7. According to Newton's third law of motion, the forces related to action and reaction - should always be engaged on different objects.
8. 'There is a reaction in the opposite direction of every action and in the opposite direction.' This is - Newton's third law of motion
9. Whose study is done in mycology? – Fungus
10. Swimming in water is possible due to Newton's law of motion? - Third Rule
11. Nucleon names are usually for whom? - Proton or neutron
12. Positron is a – Anti-electron particle
13. What is Agro forestry? – Along with agriculture, planting perennial plant on the same land
14. Which of the following is studied in Exobiology? - Life of other planets and space
15. Monazite whose ore is? - Thorium
16. Which of the following is the leading ore of bauxite? - Aluminum
17. Whose mineral is Cornellite? - Magnesium
18. Whose ore is 'gun metal'? - Copper, tin and zinc
19. What is the reason of sharp or hot taste and strong smell of garlic? - Sulfur compounds
20. Which element is easily soluble in water? - Nitrogen
21. What is there a kind of heavy water? - Moderator
22. Paneer, is an example of the following? - Gels
23. The chemical mixture on one end of the match box is a mixture of the following? - Red phosphorus and sulfur
24. Which element does not react to oxygen, is it? - Iodine
25. Which gas is in the normal tube light? – Low pressure of Mercury Vapor with Argon
26. Scientific 'Edward Jenner' is related to which disease? - Smallpox
27. What is the disease of kidney disease in humans? - Cadmium (Cd) Poisoning
28. B.C.G. (Bacillus Calmette Guerin) Vaccine is prevention of which disease? - Tuberculosis
29. What is the source of oxygen produced during photosynthesis? - Water
30. Which part of the plant does respiratory activity? - Leaf
31. Which gas is used to artificially cook raw fruits? - Acetylene
32. How is the age of trees fixed? - Based on the number of annual rings
33. Which part of the donor's eye is used in eye donation? - Retina
34. What is the total number of chromosomes in normal humans? – 46 (Pair of 23 Chromosomes)
35. Which part of the human body is the longest bone? - Femur (thigh)
36. Which hormone injection is use to remove milk in the cow and buffaloes' breast? - Oxytocin
37. Test Tube baby: - A child that is conceived outside the women's body by a scientific process known as In-Vitro fertilization or IVF treatment.
38. How many pairs of ribs are there in the human body? - 12
39. Where is the formation of red blood cells in mammals? - In the bone marrow
40. What is the function of the washing machine based on? - Centrifugation
41. What is the application of cryogenics? - In space travel, magnetic correction and telemetry
42. What is the tendency of a fluid surface which makes it acquire the least surface area possible? - Surface Tension
43. When the air bubble gets up from the bottom of the lake and comes to the upper surface then its size? - Will increase
44. What is the application of low pressure engines? - In rocket technology
45. What is the speed of light in a vacuum? - 3 x 10⁸ m / s
46. What is the principle of jet engines work on? – Conservation of Linear momentum
47. Who first used the term 'biology'? - Lamark and Travarinus
48. Who is the father of 'Botany Science'? - Theophrastus
49. Who is the father of 'medical science'? - Hippocrates
50. What is the study of pollination by insects? Anthecology
51. Where is the Forest Research Institute located? - Dehradun
52. Where is the headquarters of 'Indian Botanical Survey' located? - Kolkata
53. Who was called as 'Father of taxonomy'? - Carolus Linnaeus
54. What is the basic unit or smallest taxon of taxonomy / classification? - Species
55. Who first discovered bacteria? -Van Leeuwenhoek
56. Where is the true nucleus absent? - In bacteria
57. Food poisoning arises? - By Clostridium Botulinum
58. Which crops are helpful in the stabilization of nitrogen? – Leguminous
59. Leprosy is caused by - Bacteria
60. The reason of production of curd by milk - lactobacillus
61. What are the fungi that grow on the bark of trees? - Corticolous
62. What is the cause of the disease of itching ‘Scabies'? - Fungus
63. Which two types of lichens are made up of plants? - Fungus and algae
64. What is the indicator of lichens? - Air Pollution
65. What is the 'Rhizoid' in place of the root? - In Bryophytes
66. What are the most chromosomes found in? - In Pteridophytes
67. Cycas is a living fossil.
68. Whose 'sago' comes from? -  Cycas
69. Prop roots are - Adventitious roots
70. Which part of the roots grows? - From Radicle
71. What is a type of carrot? - Root
72. What is the edible part of the turmeric plant? - Rhizome
73.  Onion is a stem.
74. Electricity is supplied in homes at 220 volt. 220 volt displays? - Average voltage
75. What are atoms in the nucleus? - Proton and neutron
76. Whose unit is ampere? - Electric current
77. In which classification of anatomy Lobster is associated? - Crustaceans
78. What is the function of fuse in an electric circuit? - Protects the electric circuit
79. Ultrasonic waves cannot be heard by humans .
80. What is the turnover time of geostationary satellite? - 24 hours
81. What is the frequency of ultraviolet waves? - More than 20,000 Hz
82. What is the unit of frequency? - HertzWho is the father of medical science? - Hippocrates
83. Whose unit is Lumen? - Luminous flux
84. The balloon filled with hydrogen gas is transported from the Earth to the Moon, and then the balloon will - burst on the moon
85. If a lift is going down with acceleration, then the weight of the person in it –Apparent weight < Real weight
86. The kerosene oil in the lantern's light climbs up to the equivalent, why? -due to Surface Tension
87. What the mercury drop in the barometer show a sudden fall? - Storm
88. If the fan is running in the closed room, the heat of the room air - increases
89. Hot water takes 10 minutes to cool from 90 ° C to 80 ° C, so it will take time to cool from 80 ° C to 70 ° C - more than 10 minutes
90. Sound waves cannot run - in vacuum
91. Transformer is used - to make the alternating voltage high-low
92. The walls below the dam are made thick, because - the pressure of the fluid increases with increasing depth
93.  Bleaching Powder is - Compound
94. Viscosity of gases increases as heat - increases
95. Water bodies remain alive after the frozen wetlands are found in cold countries because - the water under the ice at 4 ° C
96. If there was no atmosphere on Earth, then the duration of the day is - more
97. Electric Motor works as per the following principle - Faraday's rules
98. Which of the following bomb destroys life, but does not harm the buildings? - Neutron bomb
99. What is the principle works in a nuclear bomb? - Nuclear Fission
100. In what order are the fans, bulbs etc engaged in households? - in parallel order

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