GS One‑Liners
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| # | Question & Answer |
|---|---|
| 126 |
Which blood group has neither A nor B antibodies?
-
AB
|
| 127 |
What is the strongest muscle in the human body?
-
Masseter (jaw muscle)
|
| 128 |
Which vitamin is also known as Biotin?
-
Vitamin B7
|
| 129 |
What is the site of packaging of proteins in a cell?
-
Golgi apparatus
|
| 130 |
Which organ is known as the thermostat of the body?
-
Hypothalamus
|
| 131 |
Which gas is responsible for photochemical smog?
-
Nitrogen oxides and Hydrocarbons
|
| 132 |
What is the pH value of Human tears?
-
About 7.4
|
| 133 |
Which metal is used in the making of galvanised iron?
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Zinc
|
| 134 |
What is the chemical formula of Toluene?
-
C₇H₈
|
| 135 |
Which process is used for the purification of copper?
-
Electrolytic refining
|
| 136 |
What is the second most abundant element in the Earth’s crust?
-
Silicon
|
| 137 |
Which acid is present in Tamarind?
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Tartaric acid
|
| 138 |
What is the chemical name of Formalin?
-
Formaldehyde solution
|
| 139 |
Which gas is known as Marsh Gas?
-
Methane
|
| 140 |
What is the chemical formula of Sodium Carbonate?
-
Na₂CO₃
|
| 141 |
Which ray is used in night vision devices?
-
Infrared rays
|
| 142 |
What is the value of 1 torr in Pascal?
-
133.3 Pa
|
| 143 |
Which instrument is used to measure the diameter of a wire?
-
Screw gauge or Vernier calipers
|
| 144 |
What is the unit of Electric Conductance?
-
Siemens
|
| 145 |
Who discovered the Law of Electromagnetic Induction?
-
Michael Faraday
|
| 146 |
What is the SI unit of Magnetic Moment?
-
Ampere metre squared
|
| 147 |
Which lens is used to correct Presbyopia?
-
Bifocal lens
|
| 148 |
What is the refractive index of Benzene?
-
Approximately 1.50
|
| 149 |
Who invented the Spectroscope?
-
Joseph von Fraunhofer
|
| 150 |
What is the SI unit of Heat Capacity?
-
Joule per Kelvin
|