Q81. Which of the following committees was formed to identify BPL (Below Poverty Line) families in urban areas in India?
A Tendulkar Committee B Saxena Committee C Lakkadwala Committee D Hashim Committee
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Correct answer: Hashim Committee
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Q82. Who was called the "Economic Cabinet" of India by Ashok Chandra?
A Planning Commission B Finance Commission C Union Cabinet D Administrative Reforms Commission
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Correct answer: Planning Commission
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Q83. Which of the following animals can live the longest time without drinking water?
A giraffe B camel C Kangaroo an Australian pouched quadruped D Kangaroo-rat
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Correct answer: Kangaroo-rat
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Q84. Which of the following pair is not a correct match?
A Rennetting — Use in cheese manufacturing B Genetic engineering — Plasmids C Golden Rice — Vitamin A D Ozone layer — troposphere
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Correct answer: Ozone layer — troposphere
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Q85. Which of the following was invented by Wilhelm Röntgen?
A radio B X-ray instruments C Electric bulbs D None of the above
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Correct answer: X-ray instruments
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Q86. Who gave the binary coil (double-helix) structure of DNA?
A Jacob and Monod B Watson & Crick C H.G. Khorna D None of the above
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Correct answer: Watson & Crick
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Q87. Which of the following holds the highest energy in electromagnetic radiation?
A Visible Light B Infrared rays C ultra-violet ray D X-Ray
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Correct answer: X-Ray
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Q88. Which of the following elements is a semiconductor?
A Aluminum B Silicone C silver D lead
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Correct answer: Silicone
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Q89. Which of the following is not the source of insects?
A silk (Silk) B Honey (Honey) C Doubt (Lac) D Pearls (Pearl)
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Correct answer: Pearls (Pearl)
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Q90. What would be the decibel level of rustling of leaves of a tree under normal conditions?
A 10 dB B 20 dB C 60 dB D 100 dB
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Correct answer: 20 dB
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Q91. Which animal analgesic caused the near extinction of vulture species in India?
A Ibuprofen B Acetaminophen (paracetamol) C Aspirin D Diclofenac
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Correct answer: Diclofenac
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Q92. Which of the following has the highest velocity?
A Cosmic rays B light C Electron D Supersonic Wave
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Correct answer: light
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Q93. What is Graphene?
A Alloy of carbon B Nano-structure of carbon. Single layer (nano- structure/nano-structure) single layer) C Isotope of carbon D None of the above
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Correct answer: Nano-structure of carbon. Single layer (nano- structure/nano-structure) single layer)
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Q94. In which medium will the sound travel with the highest velocity?
A Vacuum (Vacuum) B Air (Air) C Water (Water) D Steel (Steel)
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Correct answer: Steel (Steel)
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Q95. What is the most powerful eye irritant in smoke?
A Ozone B Sulphur-dioxide C Carbon-dioxide D Peroxyacetyl nitrate — PAN)
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Correct answer: Peroxyacetyl nitrate — PAN)
Concept note
Q96. Which of the following is the richest source of Vitamin-C?
A orange B apple C carrot D Amla (Amla)
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Correct answer: Amla (Amla)
Concept note
Q97. Who wrote the book "A Brief History of Time"?
A Stephen Hawking B J.V. Narlikar C C.V. Raman D S. Bose
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Correct answer: Stephen Hawking
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Q98. Einstein was awarded the Nobel Prize for which theory?
A Theory of relativity B Theory of photoelectric effect C Theory of specific heats D Brownian theory of motion
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Correct answer: Theory of photoelectric effect
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Q99. According to J. V. Narlikar, which of the following has not been considered a science so far?
A Astrology B Astronomy C Cosmology D Nanotechnology
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Correct answer: Astrology
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Q100. Which of the following is the main component of natural gas?
A Athene B Butane C Carbon Monoxide D Methane
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Correct answer: Methane
Concept note