Science
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211
Which gas is primarily responsible for the 'greenhouse effect' on Earth?
Easy
Science, Environment & Ecology
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212
What is the primary cause of Minamata disease?
Medium
Environment & Ecology, Science
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213
Scurvy is caused by the deficiency of which vitamin?
Easy
Science
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214
Which organ in the human body is affected by 'Trachoma'?
Medium
Science
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215
What is the unit of power of a lens?
Easy
Science
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216
Which element is used in the filament of an electric bulb?
Easy
Science
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217
Which component of blood helps in fighting infections?
Easy
Science
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218
What is the main source of Vitamin B12 for humans?
Medium
Science
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219
Which gas is filled in electric bulbs to prolong the life of the filament?
Medium
Science
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220
Which instrument is used to measure blood pressure?
Medium
Science
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221
Which gas is used for fire extinguishing?
Easy
Science
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222
Which part of the eye is transplanted during an eye transplant?
Medium
Science
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223
Which element is common to all acids?
Easy
Science
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224
Which sound wave cannot be heard by human ears?
Medium
Science
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225
Which mirror is used in headlights of cars?
Medium
Science
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