GS One‑Liners
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Latest facts first
| # | Question & Answer |
|---|---|
| 176 |
Which blood group is rarest in the world?
-
AB Negative
|
| 177 |
What is the largest vein in the human body?
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Inferior Vena Cava
|
| 178 |
Which vitamin is also known as Folic Acid?
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Vitamin B9
|
| 179 |
What is the site of lipid synthesis in a cell?
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Smooth Endoplasmic Reticulum
|
| 180 |
Which organ is known as the graveyard of RBCs?
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Spleen
|
| 181 |
Which gas is used in the preparation of Nitric Acid by Ostwald process?
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Ammonia
|
| 182 |
What is the pH value of Seawater?
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About 8.1
|
| 183 |
Which metal is used in the making of coins along with copper?
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Nickel
|
| 184 |
What is the chemical formula of Oxalic Acid?
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C₂H₂O₄
|
| 185 |
Which process is used for the extraction of Aluminium?
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Hall-Heroult process
|
| 186 |
What is the most reactive metal?
-
Caesium or Francium
|
| 187 |
Which acid is present in Grapes?
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Tartaric acid
|
| 188 |
What is the chemical name of Milk of Magnesia?
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Magnesium Hydroxide
|
| 189 |
Which gas is known as Coal Gas?
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Mixture of Hydrogen, Methane and Carbon monoxide
|
| 190 |
What is the chemical formula of Caustic Potash?
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KOH
|
| 191 |
Which colour of light has the least deviation in a prism?
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Red
|
| 192 |
What is the value of 1 kWh in Joules?
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3.6 × 10⁶ J
|
| 193 |
Which instrument is used to measure the density of liquids?
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Hydrometer
|
| 194 |
What is the unit of Work done by electric current?
-
Joule
|
| 195 |
Who discovered the Nucleus of the atom?
-
Ernest Rutherford
|
| 196 |
What is the SI unit of Electric Charge?
-
Coulomb
|
| 197 |
Which mirror is used in solar cookers?
-
Concave mirror
|
| 198 |
What is the speed of sound in water?
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Approximately 1480 m/s
|
| 199 |
Who invented the Electric Motor?
-
Michael Faraday
|
| 200 |
What is the SI unit of Power of a Lens?
-
Dioptre
|