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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 .
X-ray was discovered by
A)
William Crookes
B)
Wilhelm Roentgen
C)
Philipp Lenard
D)
Max von Laue

Correct Answer :   Wilhelm Roentgen

Wilhelm Roentgen, Professor of Physics in Wurzburg, Bavaria, discovered X-rays in 1895—accidentally—while testing whether cathode rays could pass through glass.

Published On : June 12, 2021
2 .
Microbial degradation of nitrates into atmospheric nitogen is known as
A)
Denitrification
B)
Ammonification
C)
Nitrification
D)
Putrefacation

Correct Answer :   Denitrification

Published On : June 12, 2021
3 .
A time series graph is also known as
A)
Ogive
B)
Histogram
C)
Bar diagram
D)
Frequency polygon

Correct Answer :   Histogram

Published On : June 12, 2021
4 .
The group of stars arranged in a definite pattern is called
A)
Andromeda
B)
Milky way
C)
Solar system
D)
Constellation

Correct Answer :   Constellation

The patterns of stars seen in the sky are usually called constellations, although more acurately, a group of stars that forms a pattern in the sky is called an asterism. ... Astronomers use the term constellation to refer to an area of the sky.

Published On : June 12, 2021
5 .
Freons cause great environmental damage. They are
A)
Mixed chlorofluoro-hydrocarbons
B)
Mixed sulphur gases
C)
Mixed carbon gases
D)
Free gases

Correct Answer :   Mixed chlorofluoro-hydrocarbons

Published On : June 12, 2021
6 .
When ants bite, they inject
A)
Stearic acid
B)
Formic acid
C)
Methanol
D)
Glacial acetic acid

Correct Answer :   Formic acid

Published On : June 12, 2021
7 .
The cycling of elements in an ecosystem is called
A)
Chemical cycles
B)
Geological cycles
C)
Geochemical cycles
D)
Biogeochemical cycles

Correct Answer :   Biogeochemical cycles

The biogenetic nutrients are essential elements required by organisms for their body-building and metabolism which are provided by earth and returned to earth after the death of organisms and/or through excreta of animals. So, the correct answer is 'Biogeochemical cycle'

Published On : June 12, 2021
8 .
Which of the following gets deficient in the human body due to Dengue fever
A)
Haemoglobin
B)
Platelets
C)
Water
D)
Sugar

Correct Answer :   Platelets

Published On : June 12, 2021
9 .
Homology is evidence of
A)
Divergent evolution
B)
Convergent evolution
C)
Common ancestry
D)
Punctuated evolution

Correct Answer :   Common ancestry

In biology, Homology is defined as any characteristic of biological organisms that is derived from a common ancestor.  Hence, Homology is evidence of Common ancestry.

Published On : June 12, 2021
10 .
Which energy source generates the least greenhouse gases?
A)
Fossil fuels energy
B)
Nuclear energy
C)
Solar energy
D)
All of the above

Correct Answer :   Fossil fuels energy

Fossil fuels energy source generates the least greenhouse gases. Of them, i.e, oil, natural gas and coal, natural gas source generates the least greenhouse gases.

Published On : June 12, 2021