General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .
Iodised salt contains
A)
Magnesium iodide
B)
Potassium iodide
C)
Calcium iodide
D)
Free iodine

Correct Answer :   Potassium iodide

It consists of 40% sodium and 60% chloride, by weight. Salt is by far the biggest dietary source of sodium, and the words “salt” and “sodium” are often used interchangeably. Some varieties of salt may contain trace amounts of calcium, potassium, iron and zinc. Iodine is often added to table salt ( 2 , 3 ).

Published On : June 9, 2021
2 .
The largest satellite of the Saturn is
A)
Mimas
B)
Titan
C)
Titania
D)
Triton

Correct Answer :   Titan

Saturn's largest moon, Titan, is an icy world whose surface is completely obscured by a golden hazy atmosphere. Titan is the second largest moon in our solar system. Only Jupiter's moon Ganymede is larger, by just 2 percent. Titan is bigger than Earth's moon, and larger than even the planet Mercury.

Published On : June 9, 2021
3 .
Brass gets discoloured in air due to the presence of
A)
Oxygen
B)
Nitrogen
C)
Hydrogen Sulphide
D)
Carbon dioxide

Correct Answer :   Hydrogen Sulphide

Published On : June 9, 2021
4 .
Infrared rays were first discovered by
A)
Herschel
B)
Maxwell
C)
Huygens
D)
Rayleigh

Correct Answer :   Herschel

Most encyclopedias and physics books credit the great British astronomer Sir William Herschel with the discovery of infrared radiation in 1800.

Published On : June 9, 2021
5 .
Containers for carrying strong Acids are made of
A)
Brass
B)
Lead
C)
Copper
D)
Platinum

Correct Answer :   Lead

Published On : June 9, 2021
6 .
Aeroponics is a technique of growing plants without
A)
Fertilizer
B)
Water
C)
Air
D)
Soil

Correct Answer :   Soil

Aeroponics is the process of growing plants in an air or mist environment without the use of soil or an aggregate medium. ... Aeroponic culture differs from both conventional hydroponics, aquaponics, and in-vitro (plant tissue culture) growing.

Published On : June 9, 2021
7 .
Which greenhouse gas, other than methane, is produced by agricultural fields
A)
Chloro-fluoro-carbon
B)
Sulphur dioxide
C)
Ammonia
D)
Nitrous oxide

Correct Answer :   Nitrous oxide

Published On : June 9, 2021
8 .
Litmus paper is prepared from the extract of
A)
Young
B)
Huygen
C)
Michael Faraday
D)
None of the above

Correct Answer :   Michael Faraday

In 1831, Michael Faraday's experiments led to the discovery of electromagnetic induction, whereby electricity is induced by changes in a magnetic field.

Published On : June 9, 2021
9 .
Which of the following materials is combustive just on the tip of a safety match sticks
A)
Phosphorus
B)
Antimony sulphide
C)
Manganese dioxide
D)
Sulphur

Correct Answer :   Phosphorus

Published On : June 9, 2021
10 .
The following is used as a lubricant heavy machines
A)
Bauxite
B)
Graphite
C)
Sulphur
D)
Phosphorus

Correct Answer :   Graphite

Published On : June 9, 2021
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