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91.  Name the terminals of a BJT.

a

Drain, Gate, Source

b

Positive, Negative, Neutral

c

Emitter, Base, Collector

d

Anode, Cathode, Triode

 Answer : Option C Explanation :

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

 Answer : Option B Explanation :

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

 Answer : Option C Explanation :

94.  Sound waves in air are

a

Electromagnetic

b

Longitudinal

c

Polarised

d

Transverse

 Answer : Option B Explanation :

95.  Osteology is the study of

a

Eyes

b

Bones

c

Nose

d

Cell formation

 Answer : Option B Explanation :

96.  Who invented Internal Combustion Engine?

a

Dr. Alan M. Turing

b

Karl Benz

c

Otto

d

Roger Bacon

 Answer : Option C Explanation :

97.  Potato is a modified form (outgrowth) of

a

Stem

b

Root

c

Leaf

d

Fruit

 Answer : Option A Explanation :

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

 Answer : Option B Explanation :

99.  The most electronegative element among the following is

a

Oxygen

b

Bromine

c

Sodium

d

Fluorine

 Answer : Option D Explanation :

100.  What is the Websites code for the country Spain?

a

ES

b

SI

c

SP

d

SN

 Answer : Option A Explanation :

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

 Answer : Option D Explanation :

102.  The hydronium ion is

a

H₂+

b

H+

c

H3O+

d

HO-

 Answer : Option C Explanation :

103.  Natural radioactivity was discovered by

a

Enrico Fermi

b

Ernest Rutherford

c

Marie Curie

d

Henri Becquerel

 Answer : Option D Explanation :

104.  The abbreviation URL stands for:

a

b

Uniform Resource Locator

c

User Regulation Law

d

Ultimate RAM Locator

 Answer : Option B Explanation :

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