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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 .
Which of the following layers of the sun is marked by sunspots
A)
Radiation zone
B)
Corona
C)
Chromosphere
D)
Photosphere

Correct Answer :   Photosphere

The photosphere is marked by bright, bubbling granules of plasma and darker, cooler sunspots, which emerge when the sun's magnetic field breaks through the surface. Sunspots appear to move across the sun's disk.

Published On : June 8, 2021
2 .
Which of the following gases is primarily responsible for eutrophication of water bodies
A)
Nitrogen
B)
Carbon dioxide
C)
Sulphur dioxide
D)
All of the above

Correct Answer :   Nitrogen

The most common nutrients causing eutrophication are nitrogen N and phosphorus P.

Published On : June 8, 2021
3 .
Which one have the largest number of species in the world
A)
Insects
B)
Humans
C)
Plants
D)
Animals

Correct Answer :   Insects

In terms of numbers of species, insects certainly represent the largest percentage of the world's organisms. There are more than 1 million species of insects that have been documented and studied by scientists.

Published On : June 8, 2021
4 .
Chemically, baking soda is
A)
Calcium phosphate
B)
Sodium chloride
C)
Sodium bicarbonate
D)
Baker's yeast

Correct Answer :   Sodium bicarbonate

Sodium bicarbonate (NaHCO₃), also called baking soda, is a crystalline salt, found in a natural mineral form in nahcolite deposits.

Published On : June 8, 2021
5 .
Cotton dust from textile mills causes a disease known as
A)
Silicosis
B)
Byssinosis
C)
Cancer
D)
Fluorosis

Correct Answer :   Byssinosis

Published On : June 8, 2021
6 .
The pathogen of pneumonia is
A)
Fungi
B)
Virus
C)
Protozoa
D)
Bacteria

Correct Answer :   Bacteria

Published On : June 8, 2021
7 .
Fluoride pollution mainly affects
A)
Bones
B)
Teeth
C)
Lungs
D)
Kidneys

Correct Answer :   Teeth

Published On : June 8, 2021
8 .
Which kind of light waves are used in the remote control of Television
A)
Infrared
B)
X-ray
C)
Visible light
D)
None of the above

Correct Answer :   Infrared

The main technology used in home remote controls is infrared (IR) light. The signal between a remote control handset and the device it controls consists of pulses of infrared light, which is invisible to the human eye but can be seen through a digital camera, video camera or a phone camera.

Published On : June 8, 2021
9 .
The "Big-Bang theory" explain the origin of
A)
Ocean
B)
Mammals
C)
Universe
D)
Continents

Correct Answer :   Universe

The best-supported theory of our universe's origin centers on an event known as the big bang. This theory was born of the observation that other galaxies are moving away from our own at great speed in all directions, as if they had all been propelled by an ancient explosive force.

Published On : June 8, 2021
10 .
Total number of ear bones are
A)
2
B)
3
C)
4
D)
6

Correct Answer :   3

We humans have a total of 206 sizable bones in our bodies. There are also 6 additional bones, 3 in each ear, known as the ossicles (little bones). So the grand total is 212.

Published On : June 8, 2021