Science
525 questions found
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166
Which vitamin is primarily obtained from sunlight?
Easy
Science
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167
Which layer of the Earth is primarily composed of liquid iron and nickel?
Medium
Science, Geography
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168
Which unit is used to measure the intensity of sound?
Easy
Science
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169
Which planet is known as the 'Earth's Twin'?
Easy
Science, Geography
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170
The 'Ring of Fire' is a major area in which ocean where many earthquakes and volcanic eruptions occur?
Medium
Science, Environment & Ecology, Geography
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171
Which vitamin is necessary for the 'clotting of blood'?
Medium
Science
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172
Which vitamin deficiency causes 'Night Blindness'?
Easy
Science
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173
Which part of the human eye controls the amount of light entering it?
Medium
Science
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174
Which of the following is the hardest natural substance found on Earth?
Easy
Science
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175
Who is known as the 'Missile Man of India'?
Easy
General Knowledge, Science
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176
Which organ in the human body is primarily affected by the disease 'Pneumonia'?
Medium
Science
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177
Which gas is released during the process of 'Photosynthesis'?
Easy
Science, Environment & Ecology
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178
Which pigment gives leaves their green color?
Easy
Science
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179
Which scale is used to measure the intensity of an earthquake?
Easy
Science, Geography
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180
Which of the following gas is used in fire extinguishers?
Easy
Science
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