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science quiz questions and answers 2020
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The non-metal which exist in the liquid state at room temperature is:
5 points
Fluorine
Chlorine
Bromine
Iodine
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"Is malleable and ductile". this best describes:
5 points
metal
compound
non metal
mixture
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The element which is stored under kerosene is:
5 points
sulphur
phosphorous
sodium
silicon
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Which of the following metal exists in liquid state in room temperature?
5 points
Magnesium
Manganese
mercury
sodium
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Which among the following is the most reactive metal?
5 points
Copper
Calcium
iron
Magnesium
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Which of the following elements is a metalloid?
5 points
Sodium
Sulphur
Silicon
silver
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Which part of the cell controls all the activities of the cell?
5 points
Mitochondria
Cell wall
Chloroplasts
Nucleus
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The structural and functional unit of life called cell and discovered by:
5 points
Robert Boyle
Charles Darwin
Robert koch
Robert Hooke
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Which of the following cell does not have a nucleus?
5 points
White blood cell
Red blood cell
Nerve cell
Muscles cell
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The legal age for the marraige of girls in our country is:
5 points
16 years
18 years
15 years
21 years
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The legal age for the marrage of boys in our country is:
5 points
16 years
18 years
15 years
21 years
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AIDS disease is caused by
5 points
Bacteria
Virus
Worms
Protozoa
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What is the unit of force?
5 points
Force
Newton
Dyne
kilo watt
Joule
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What is the unit of work?
5 points
Newton
Joule
Erg
Dyne
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Which of the following is not an example of muscular force?
5 points
A porter carrying a load on a wheel-barrow
An apple falling from a tree
A child riding a bicycle
A person drawing water from a well
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Which of the following is not an example of the force of gravity?
5 points
A leaf falling from a tree
A boy pushing a cart on a level plane
A diver jumping into a swimming pool
A stone falling from the top of a cliff
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