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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 .
Chalk which is used for writing on blackboard is made up of
A)
Potassium hydroxide
B)
Sodium bicarbonate
C)
Calcium carbonate
D)
Sodium nitrate

Correct Answer : Option (C) - Calcium carbonate

Unsourced material may be challenged and removed. A blackboard (also known as a chalkboard) is a reusable writing surface on which text or drawings are made with sticks of calcium sulfate or calcium carbonate, known, when used for this purpose, as chalk.

Published On : June 11, 2021
2 .
Which of these is called stranger gas
A)
Krypton
B)
Argon
C)
Neon
D)
Xenon

Correct Answer : Option (D) - Xenon

Published On : June 11, 2021
3 .
The Planet with the shortest year is
A)
Pluto
B)
Mars
C)
Mercury
D)
Earth

Correct Answer : Option (C) - Mercury

Mercury is an extreme planet in several respects. Because of its nearness to the Sun—its average orbital distance is 58 million km (36 million miles)—it has the shortest year (a revolution period of 88 days) and receives the most intense solar radiation of all the planets.

Published On : June 11, 2021
4 .
Into which colour will the yellow silver bromide turn when exposed to sunlight
A)
Due to oxidation of an enzyme present in apple
B)
Due to settling of micro dust present in air
C)
As the original inner colour is brown
D)
Due to presence of iron in apple

Correct Answer : Option (A) - Due to oxidation of an enzyme present in apple

Published On : June 11, 2021
5 .
Which of the following materials has the highest melting point
A)
Glass
B)
Bauxite
C)
Tungsten
D)
Tantalum Carbide

Correct Answer : Option (D) - Tantalum Carbide

Published On : June 11, 2021
6 .
If ballon filled with air is immersed in hot water, its volume would
A)
Reduce
B)
Increase
C)
Remain same
D)
None of the above

Correct Answer : Option (B) - Increase

Published On : June 11, 2021
7 .
At high and hilly altitudes, for some people blood will flow out of nose due to the reason that
A)
Atmospheric pressure is low
B)
Temperature is low
C)
They are afraid
D)
Atmospheric pressure is high

Correct Answer : Option (A) - Atmospheric pressure is low

Published On : June 11, 2021
8 .
The lysimeter helps in the estimation of
A)
Relative humidity
B)
Wind direction
C)
Evapotranspiration
D)
Vapour pressure

Correct Answer : Option (C) - Evapotranspiration

Published On : June 11, 2021
9 .
Which one is a "noble gas"
A)
Oxygen
B)
Helium
C)
Carbon dioxide
D)
Hydrogen

Correct Answer : Option (B) - Helium

Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

Published On : June 11, 2021
10 .
Goiter disease is caused by the deficiency of
A)
Riboflavin
B)
Calcium
C)
Iodine
D)
Iron

Correct Answer : Option (C) - Iodine

The most common cause of goiters worldwide is a lack of iodine in the diet. In the United States, where the use of iodized salt is common, a goiter is more often due to the over- or underproduction of thyroid hormones or to nodules in the gland itself.

Published On : June 11, 2021