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Everyday Science Online Test MCQs With Answers

Question # 1

Autophagy is the function of

Choose an answer

Ribosomes

Lysosomes

Centrosomes

Mitochondria

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Question # 2

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 # 3

When item of jewellery made of metals such as copper r nicker are placed in a solution having a salt of gold, a thin film of gold is deposited by:

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passing an electric current

Cooling to below 0 degree C

Heating above 100 degree C

Just keeping it for10 minutes

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Question # 4

Which among the following is a chemical change?

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A wet towel dries in the sun

Lemon juice added to tea causing colour to change

Coffee is brewed brewed by passing steam through ground coffee

Hot air rises over a radiator

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Question # 5

Many plants join up to from forests and forest help us in may ways, Pick out the major use(s) of forests form the following.

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They provide food

They provide wood

Both of these

Neither of these

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Question # 6

Second largest search engine of the internet?

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Google

MSN

Yahoo

Bing

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Question # 7

Which instrument is used to determining the amount of sugar in a solution?

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Spectrometer

Stethoscope

Saccharimeter

Sextant

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Question # 8

The polio virus enters the body through

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Mosquito bites

Tick bites

Contaminated food and water

Saliva and whose blood has a reduced

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Question # 9

Which device was the invented in 1973 by Dr Martin Cooper at Motorola?

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Cordless phone

Pager

Cell phone

Satellite phone

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Question # 10

Which device converts heat energy into mechanical energy

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Generator

Steam engine

Electrical motor

Loudspeaker

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Question # 11

Which one is a mammal?

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Sharak

Squid

Octopus

Whale

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