GS One‑Liners
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Latest facts first
| # | Question & Answer |
|---|---|
| 76 |
Which blood group is most common in India?
-
B Positive
|
| 77 |
What is the smallest artery in the human body?
-
Arteriole
|
| 78 |
Which vitamin is also known as Pantothenic Acid?
-
Vitamin B5
|
| 79 |
What is the site of DNA replication in a cell?
-
Nucleus
|
| 80 |
Which organ is known as the filter of the body?
-
Kidney
|
| 81 |
Which gas is used in the Contact process for Sulphuric Acid?
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Sulphur dioxide
|
| 82 |
What is the pH value of Human sweat?
-
4.5–7.0
|
| 83 |
Which metal is used in the making of bells?
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Bronze (Copper + Tin)
|
| 84 |
What is the chemical formula of Formic Acid?
-
HCOOH
|
| 85 |
Which process is used for the manufacture of Sodium Carbonate?
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Solvay process
|
| 86 |
What is the least reactive metal?
-
Gold or Platinum
|
| 87 |
Which acid is present in Rhubarb?
-
Oxalic acid
|
| 88 |
What is the chemical name of Borax?
-
Sodium Tetraborate
|
| 89 |
Which gas is known as Water Gas?
-
CO + H₂
|
| 90 |
What is the chemical formula of Ammonium Chloride?
-
NH₄Cl
|
| 91 |
Which colour of light is scattered the most by the atmosphere?
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Blue
|
| 92 |
What is the value of 1 electron volt in Joules?
-
1.6 × 10⁻¹⁹ J
|
| 93 |
Which instrument is used to measure the focal length of a lens?
-
Optical bench
|
| 94 |
What is the unit of Electric Current Density?
-
Ampere per square metre
|
| 95 |
Who discovered Alpha, Beta and Gamma rays?
-
Ernest Rutherford
|
| 96 |
What is the SI unit of Electric Potential Difference?
-
Volt
|
| 97 |
Which mirror is used in searchlights?
-
Concave mirror
|
| 98 |
What is the speed of sound in steel?
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Approximately 5100 m/s
|
| 99 |
Who invented the Transformer?
-
Michael Faraday
|
| 100 |
What is the SI unit of Impulse?
-
Newton second
|