General science Part 3 100 Important Ques and Answers

General science Part 3 100 Important Ques

General science Part 3 100 Important Ques

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Attempt Free General science Part 3 100 Important Ques Here. Read The Important Electrical MCQ From Below.

1. A particle is executing S.H.M. Then what is the graph of acceleration as a function of displacement? – Hyperbola
2. An atom has 7 electrons in its M-shell and contains 18 neutrons in its nucleus. What is its mass number? – 35
3. The medicine ephedrin used in the treatment of cough, asthma and bronchitis, from where is obtained? – Ephedra
4. By whom was the concept of dual nature of radiation proposed? – de-Broglie
5. In a bisexual flower if androcium and gynoecium mature at different time the phenomenon is known as which name? – Dichogamy
6. A small drop falls from rest from a large height h in air. What is the final velocity? – Almost independent of h
7. Why does Molten sodium chloride conduct electricity? – Due to the presence of free ions
General science Part 3 100 Important Ques
8. Which modification of root does not store food? – Stilt
9. The total energy of a particle vibrating in S.H.M. is proportional to which thing? –The square of its Amplitude
10. A body rolling freely on the surface of the earth eventually comes, why does it to rest? – Because it suffers friction
11. What is the a biological process in which glucose and fat is oxidised to librate energy? – Respiration
12. What is an example of Miscelles System here? – Soap + Water
13. A gale blows over a house. The force due to the gale on the roof is in which direction? – In the upward direction
14. Why is Ail aqueous solution of copper sulphate is acidica in nature? – Because the salt undergoes hydrolysis
15. Oxygen released during photosynthesis of green plant comes from the breakdown of which thing? – Water
16. The pressure at the bottom of a liquid tank does not depend on which area?– Area of the liquid surface
General science Part 3 100 Important Ques
17. Which compound transforms baking soda into baking powder? – KHC4H4O6
18. Water will be absorbed by root hairs, then how is when the external medium? – Hypotonic
19. Why is Weightlessness experienced in spaceship? – Due to absence of gravity
20. How is Perchloric acid prepared? – By the action of Concentrate sulphuric acid on potassium perchlorate
21. What is the Study of system of animal body which protects it from infection of various disease? – Immunology
22. A particle revolves round a circular path with a constant speed, how is the acceleration of the particle? – Along the radius
23. Which is the Branch of science that deal with the improvement of human race by providing better environmental condition? – Euthenics
General science Part 3 100 Important Ques
24. Aluminium surface are often ‘anodized’. This means deposition of a layer of which oxide? – Zinc oxide
25. Which Animal is also known as ‘Portuguese man of war’? – Physalia
26. Which metal is extracted by thermal reduction process? – Copper
27. An ideal liquid flows through a horizontal tube of variable diameter. The pressure is lowest and what will be velocity? – Velocity is highest
28. If a non-metal is added to the interstitial sites of a metal, then how does the metal become? – less malleable
29. Which is used as a gift in Japan? – Euplectella
30. A gas is enclosed in a container which is then placed on a fast moving train. What will be the temperature of the gas? – Remain unchanged
General science Part 3 100 Important Ques
31. When will a hot body radiate maximum energy? – iIf its surface is black and rough
32. How many electrons are involved in the oxidation by KMnO4 in basic medium? – 4
33. Which chemical substance secreted by particular species of animal to attract another member of same species? – Pheromones
34. How is the heat transferred by the radiator of a refrigerator? – More than that at the freezer
35. Which compound of zinc is white when cold and yellow when hot? – ZnO
36. Pheretima posthuma is scientific name of which animal? – Earth worm
37. Merscuric sulphide dissolves in aqua-regia to form which compund? – HgCl2
General science Part 3 100 Important Ques
38. An individual whose blood type is B may in an emergency donate blood to person which blood groups? – AB or B
39. If the amplitude of a wave at a distance t from a point source is A, what will be the amplitude at a distance 2r? – A/2
40. In which sequence are the electromagnetic radiations in decreasing order of wave lengths? – Infrared, radio, X-rays, visible
41. Salts of which element provide colours to fireworks? – Strontium and barium
42. Which organ have the capacity of regeneration? – Liver
43. With the increase in temperature, what happens in the frequency of the sound from an organ pipe? – Increases
44. What is obtained when cadmium chloride is treated with water? – Cd(OH)2
45. Which organ cannot be transplanted? – Brain
General science Part 3 100 Important Ques
46. When a coin placed in a bowl of water is seen from above, how does it appears? – Raised from its position
47. What is formed when cadmium reacts with H2S? – CdS
48. Appetite and satiety centres of brain, where are present in? – Hypothalmus
49. Which gland disapear during old age? – Thymus
50. How is the matallic nature of transition elements is than that of alkali metals? – Less
51. Which types of waves are used in a night vision apparatus? – Infra-red-waves
52. When seen in green light, what will the saffron and green portions of our national flag appear? – Black and green respectively
53. The 3d transition series contains how many elements from atomic number? – 21 to 30
54. Which blood group is universal doner? – O
General science Part 3 100 Important Ques
55. Which lanthanides are used in glass, blowers, goggles? – Pr, Nd
56. Why is the function of the collimator in a spectrometer? – To obtain a parallel beam of light
57. What is the smallest structural and functional unit of nervous system? – Neuron
58. Which compound is obtained when auric chloride reacts with sodium chloride? – Na[AuCl4]
59. What is systolic and diastolic pressure in a healthy man? – 120 mm and 80 mm
60. The refractive index of a piece of transparent quartz is the greatest for which light? – Violet light
61. Which part of human brain is the regulating centre for swallowing and vomating? – Medulla oblangata
62. By which Carbon and hydrogen are estimated in organic compounds? – Liebig’s method
63. If the refractive angle of a prism is 60° and the minimum deviation is 30°, then the angle of incidence is how many degrees? – 45°
General science Part 3 100 Important Ques
64. What is present both in plant and animal? – Plasma membrane
65. What does mixture of CS2 and H2S on passing over heated copper give? – Methane
66. If the rotational velocity of a dynamo armature is doubled, what will then the induced emf? – Become double
67. Which is used in storage batteries? – Lead
68. What is the name of the poisonous gas formed by the interaction of macetylene and arsenic trichloride? – Lewisite
69. Which tissue take part in healing the wounds? – Epithelium tissue
70. When a body is earth connected, electrons from the earth flow into the body. What is its mean? –This means the body is Charged positively
General science Part 3 100 Important Ques
71. Acetylene is used as an anaesthetic under which name? – Narcylene
72. In daily requirement basis which vitamin is required in largest quantity by the human body? – Vitamin C (Ascorbic acid)
73. When does not No current flows between two charged bodies? – If they have same potential
74. Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? – Pyridine
75. Consumption of fish is considered to be healthy compared to flesh of other animals why? – Because it contains polyunsaturated fatty acids
76. What is the reason for excessive solubility of ethyl alcohol in water? – Due to hydrogen bonding with water
77. Through which are the characters are transferred from parents to progeny? – DNA
78. A radioactive substance has a half life of 4 months. In how many months will three fourths of the substance will decays? – 8 months
General science Part 3 100 Important Ques
79. The cause of fractional atomic weights of elements? – The presence of Isotopes
80. Which gas, is used for artificial ripening of fruit? – C2H4
81. Which branch of biology deal with the study of heredity? – Genetics
82. The maximum number of photo electrons released in photocell is independent of which thing? – Frequency
83. A fruity smell is produced by the reaction of C2H5OH with which formula? – CH3COOH
84. By which can Evolutionary development of a species be best studied? – Studying fossils of this species
85. What is the process by which vegetable ghee is manufactured? – Hydrogenation
86. Early atmosphere contained methane and other hydrocarbons they have been now replaced by which gas? – Carbon dioxide
87. For an electric dipole, how are the field at a point on the equatorial line and the dipole moment? – In opposite direction
General science Part 3 100 Important Ques
88. Crop sown soon after the onset of south-west monsoon in India, what is this called? – Kharif
89. Thermal decomposition of alkanes is known as which name? – Cracking
90. If a diamagnetic substance is brought near north and south pole of a oar magnet, what will be then? – It is Repelled by poles
91. What is a glass sided tank, bowl in which aquatic animals live? – Aquarium
92. Deficiency of which vitamin causes xerophthalmia? – Vitamin A
93. If a wire of resistivity p is stretched to double its length, then what will change in its new resistivity? – Not change
94. Cathode rays enter an electric field normal to the lines of force. Then how is their path in the electric field is– – Parabola
General science Part 3 100 Important Ques
95. The word “biodiversity” is a combination of which two words? – Biology and diversity
96. Which thing is the sweetest natural sugar? – Lactose
97. Jaundice in human beings affects which of the body part? – Liver
98. How many orangutans disappear each year as result of palm oil farming? – 5000
99. The sky wave propagation is suitable for radio waves of frequency form how many MHz? – From 2 MHz to 30 MHz
100. Which is considered a hot-spot of biodiversity in India? – Western Ghats
General science Part 3 100 Important Ques