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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 .
Tobacco plant contains the following alkaloid
A)
Resin
B)
Risarpin
C)
Morphine
D)
Nicotine

Correct Answer :   Nicotine

The leaves of Nicotiana tabacum (tobacco) contain the toxic alkaloid, nicotine as a major constituent and several other pyridine alkaloids as minor constituents.

Published On : June 12, 2021
2 .
Which of the following materials is normally used in a breath analyzer test to ascertain whether a person is drunk or not ?
A)
Silica gel
B)
Baking soda
C)
Potassium dichromate crystals
D)
Potassium permanganate powder

Correct Answer :   Potassium dichromate crystals

The Breathalyzer is the oldest breath alcohol analyzer; it is based on the principle of color change of potassium dichromate solution in the presence of alcohol and then analysis using spectroscopy after a specified time to ensure complete reaction.

Published On : June 12, 2021
3 .
To store potato chips for a longer period, the sealed packet of chips is normally filled with which gas ?
A)
Helium
B)
Nitrogen
C)
Oxygen
D)
Carbon dioxide

Correct Answer :   Nitrogen

Potato chip bags are not full of air, but of nitrogen gas. This is done to prevent the chips from oxidizing, which is part of what makes them go stale.

Published On : June 12, 2021
4 .
Which of the element is used as fungicide
A)
Sulphur
B)
Calcium
C)
Carbon
D)
Phosphorous

Correct Answer :   Sulphur

Copper and sulfur are still widely used. Most other fungicides used today are organic compounds and thus contain carbon.

Published On : June 12, 2021
5 .
Which is the most abundant element by mass in human body
A)
Calcium
B)
Carbon
C)
Hydrogen
D)
Oxygen

Correct Answer :   Oxygen

The most abundant elements by mass in the body of a healthy human adult are Oxygen (61.4 %), Carbon (22.9 %), Hydrogen (10.0 %) and Nitrogen (2.6 %).

Published On : June 12, 2021
6 .
Which of the following is a chemical reaction
A)
Burning coal in air
B)
Evaporation of Iodine
C)
Melting of Wax
D)
Magnetizing a piece of iron

Correct Answer :   Burning coal in air

Published On : June 12, 2021
7 .
By recycling paper, plastic and metals, we can reduce the following pollution
A)
Air pollution
B)
Soil pollution
C)
Water pollution
D)
None of the above

Correct Answer :   Soil pollution

Published On : June 12, 2021
8 .
By which process energy is produce in the Sun
A)
Ionization
B)
Nuclear fission
C)
Nuclear fusion
D)
Radioactivity

Correct Answer :   Nuclear fusion

The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.

Published On : June 12, 2021
9 .
Which one of the following vegetable oils is used in the manufacture of paints
A)
Sunflower oil
B)
Linseed oil
C)
Palm oil
D)
None of the above

Correct Answer :   Linseed oil

Linseed oil is generally used in the manufacture of oil paints, drying oil finish or varnish in wood finishing, as a pigment binder in oil paints, as a plasticizer and in the manufacture of linoleum.

Published On : June 12, 2021
10 .
Phenol is also known as
A)
Acetic Acid
B)
Boric Acid
C)
Hydrofluoric Acid
D)
Carbolic Acid

Correct Answer :   Carbolic Acid

Phenol is highly acidic in nature and hence it is also known as carbolic acid.

Published On : June 12, 2021