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Everyday Science Online Test MCQs With Answers

Question # 1

40 men can build a wall 20m high in 15 days. the number of men required to build a similar wall 25m, high in 6 days will be:

Choose an answer

100

125

150

200

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Question # 2

A train covers 727.50 km distance in 15 hours. how much distance train covers in one hours:

Choose an answer

38.5

68.5

48.5

78.5

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Question # 3

Plant absorb most of the water needed by them through their

Choose an answer

Embryonic zone

Growing point

root hairs

zone of elongation

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Question # 4

A bio genesis was disproved by

Choose an answer

Spallanzani

Muller

Darwin

Cuvier

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Question # 5

Carbon dioxide is called a ''GREEN HOUSE'' gas because

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its concentration is always high in green houses

it absorbs infra-red radiation

it emits visible radiation

it is involved in photosynthesis

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Question # 6

Which of the following motor is preferred when quick speed reversal is the main consideration

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Squirrel cage induction motor

Wound rotor induction motor

Synchronous motor

D.C. motor

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Question # 7

Who sis remembered for his atomic theories even though his primary interest was in the weather?

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Joseph Gay-Lussac

John Dalton

James Joule

Johann Gregor Mendel

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Question # 8

Which one among the following is not a source of renewable energy?

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Fuel cell

Solar energy

Hydroelectricity

Wind energy

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Question # 9

What is the value of knee voltage of silicon diode?

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0.3 V

0.33 V

0.7 V

1.1 V

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Question # 10

All computer must have

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Operating system

Word processing software

Both a & b

None of above

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Question # 11

In a box, there are i15 rd and 5 black balls , if one ball is packed up randomly, what is the probability that it is black ball?

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1/2

1/3

2/3

1/4

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