GS One‑Liners

high‑yield facts · smart revision

5107 facts
5107 results
Latest facts first
# Question & Answer
26
Which blood group has A antigen and B antibody? - A
27
What is the longest muscle in the human body? - Sartorius
28
Which vitamin is also known as Niacin? - Vitamin B3
29
What is the site of lipid metabolism in a cell? - Smooth Endoplasmic Reticulum
30
Which organ is known as the chemical laboratory of the body? - Liver
31
Which gas is responsible for the brown colour of photochemical smog? - Nitrogen dioxide
32
What is the pH value of Human cerebrospinal fluid? - About 7.3
33
Which metal is used in the making of surgical instruments? - Stainless steel
34
What is the chemical formula of Aniline? - C₆H₅NH₂
35
Which process is used for the manufacture of Ammonia? - Haber’s process
36
What is the third most abundant element in the Earth’s crust? - Aluminium
37
Which acid is present in Spinach? - Oxalic acid
38
What is the chemical name of Carbolic Acid? - Phenol
39
Which gas is known as Producer Gas? - CO + N₂
40
What is the chemical formula of Potassium Nitrate? - KNO₃
41
Which ray is used in the detection of forged documents? - Ultraviolet rays
42
What is the value of 1 atmosphere in mm of Hg? - 760 mm Hg
43
Which instrument is used to measure the thickness of thin sheets? - Screw gauge
44
What is the unit of Electric Susceptibility? - Dimensionless
45
Who discovered the Law of Conservation of Mass? - Antoine Lavoisier
46
What is the SI unit of Magnetic Flux Density? - Tesla
47
Which lens is used in a terrestrial telescope as the objective? - Convex lens
48
What is the refractive index of Carbon disulphide? - Approximately 1.63
49
Who invented the Electromagnet? - William Sturgeon
50
What is the SI unit of Thermal Conductivity? - Watt per metre Kelvin