Everyday Science MCQs

5120 MCQs  (Page 50 of 512)

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What is/are the basic purpose(s) of dams?
A. Storage of water in a large reservoir
B. Generation of electricity
C. Control of floods
D. All of the above
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Which one of the following can be synthesized by Liver _______?
A. Vitamin b6
B. Vitamin b12
C. Vitamin k
D. Vitamin e
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Which among the following is responsible for producing color of human skin ___?
A. Insulin
B. Vitamin k
C. Melanin
D. Dna
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In which part of the eye lies the pigment that decides the colour of the eyes of a person___?
A. Retina
B. Iris
C. Cornea
D. Pupal
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By which process copper is refined ____________?
A. Roasting
B. Oxidation
C. Zone refining
D. Electrolysis
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Magnalium is an alloy of_____________?
A. Magnesium and lead
B. Aluminium and zinc
C. Aluminium and magnesium
D. Aluminium and mercury
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Which of the following metal occurs in free state ______________?
A. Lead
B. Iron
C. Mercury
D. Copper
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The vitamin which is generally excreted by humans in urine is__________?
A. Vitamin a
B. Vitamin b
C. Vitamin b12
D. Vitamin c
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The Virus of AIDS affects the growth of_____________?
A. Hemoglobin
B. Rbcs in blood
C. T cells in blood
D. Grey cells in blood
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The total energy of revolving electron in an atom_____________
A. Will always be positive
B. Can never be positive
C. Can have any value above zero
D. Cannot be negative
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Word of the Day
17 Jul
Flagrant
(of an action considered wrong or immoral) conspicuously or obviously offensive.
انتہائی برا، قابل مذمت، فاش

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