Everyday Science MCQs

5120 MCQs  (Page 203 of 512)

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lightest metal is__________?
A. Lithium
B. Sodium
C. Magnesium
D. Aluminium
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Which of the following pollutants in water causes “Minamata disease?
A. Methyl mercury
B. Lead
C. Salmonella
D. Perchlorate
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The process of converting wet waste to manure is___________?
A. Metabolism
B. Conservation
C. Incineration
D. Composting
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Which of the following organisms releases molecular oxygen into water?
A. E.coli
B. Phytoplankton
C. Amoeba
D. Salmonella
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A colloidal system in which a liquid is dispersed into a liquid is called_________?
A. Percipitate
B. Gel
C. Emulsion
D. Sol
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Which metal is pure conductor of electricity?
A. Copper
B. Gold
C. Silver
D. Lead
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An example of rhizome is_________?
A. Carrot
B. Tomato
C. Ginger
D. Garlic
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Which planet is called “red planet”?
A. Mars
B. Venus
C. Jupiter
D. Saturn
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Which of these is a micronutrient of plants?
A. Oxygen
B. Nitrogen
C. Boron
D. Carbon
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Diamond is harder than Graphite because of___________?
A. Difference in crystalline structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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