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General Science GK

Sl. No.Question - ScienceAnswer
81. The scientist who explained about blood circulation for the first time was William Harvey
82. Venkatraman Ramakrishnan was jointly awarded the Nobel Prize in Chemistry in 2009 for? Studies of the structure and function of the ribosome
83. Nitroglycerine is used as? An explosive
84. Solar Energy is due to the process of? Fusion reactions
85. In a dry cell battery which are used as electrolytes? Ammonium Chloride and Zinc Chloride
86. Permanent Research Station of India, Dakshin Gangotri is located at? Antarctica
87. Which types of waves are used in a night vision apparatus? Infrared waves
88. In order to stay over the same spot on the earth, a geostationary satellite has to be directly above? The Equator
89. Water is used to cool the engines of cars, buses, trucks, etc. It is because water has? High specific heat
90. Due to contract of eyeball, a long-sighted eye can only see farther objects which is corrected by using? Convex lens
91. Rainwater collected after 30 to 40 minutes of raining is not suitable for drinking because it is? Acidic
92. The refining of petroleum is done by the process of? Fractional Distillation
93. If the body covers unequal distance in equal interval of time, then it is said to be moving with a? Variable speed
94. Anything that occupies space and has mass or weight is called? Matter
95. Physical quantities which are completely described by a magnitude (size) alone are known as? Scalar quantities
96. The formation of compounds by the union of elements is called? Synthesis
97. Study of the abundance and reactions of chemical elements and molecules in the universe, and their interaction with radiation is called? Astrochemistry
98. The calorific value of fuel is expressed in? Kilojoules per gram
99. Small DNA molecule that is physically separate from, and can replicate independently of, chromosomal DNA within a cell Plasmids
100. Organic compounds prepared from the hydrocarbons obtained from petroleum and natural gases are called? Petrochemicals