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gk (general knowledge) questions and answers MCQ

Posted on May 27, 2022 1:10 AM - 2 years ago

gk (general knowledge) questions and answers MCQ for for all competitive exams UPSC IAS IPS Prelims, SSC CGL ,SSC CHSL general Awareness CTET, UGC NET

91.

Name the terminals of a BJT.

a

Drain, Gate, Source

b

Positive, Negative, Neutral

c

Emitter, Base, Collector

d

Anode, Cathode, Triode

92.

Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

a

2.2 km, 0.20 km

b

3.3 km, 0.30 km

c

1.8 km, 0.15 km

d

2.8 km, 0.25 km

93.

Radical vascular bundles are those in which

a

Xylem and phloem occur on the same radius

b

Xylem is surrounded by phloem

c

Xylem and phloem occur on the different radii

d

Phloem is surrounded by xylem

94.

Sound waves in air are

a

Electromagnetic

b

Longitudinal

c

Polarised

d

Transverse

95.

Osteology is the study of

a

Eyes

b

Bones

c

Nose

d

Cell formation

96.

Who invented Internal Combustion Engine?

a

Dr. Alan M. Turing

b

Karl Benz

c

Otto

d

Roger Bacon

97.

Potato is a modified form (outgrowth) of

a

Stem

b

Root

c

Leaf

d

Fruit

98.

Imaginary lines drawn on a global map from pole to pole and from the perpendicular to the equator are called

a

Isobars

b

Meridians

c

Contours

d

Steppes

99.

The most electronegative element among the following is

a

Oxygen

b

Bromine

c

Sodium

d

Fluorine

100.

What is the Websites code for the country Spain?

a

ES

b

SI

c

SP

d

SN

101.

The energy requirement for an industrial application is 1000 kW. hr. If heat losses account for 20%, the total energy to be supplied is

a

800 kW hr

b

750 kW hr

c

1200 kW hr

d

1250 kW hr

102.

The hydronium ion is

a

H₂+

b

H+

c

H3O+

d

HO-

103.

Natural radioactivity was discovered by

a

Enrico Fermi

b

Ernest Rutherford

c

Marie Curie

d

Henri Becquerel

104.

The abbreviation URL stands for:

a

Unknown RAM Load

b

Uniform Resource Locator

c

User Regulation Law

d

Ultimate RAM Locator

105.

Which of the following is used for removing air bubbles from glass during its manufacture?

a

Arsenous oxide

b

Feldspar

c

Potassium carbonate

d

Soda ash