Everyday Science MCQs

5120 MCQs  (Page 69 of 512)

Attempt Everyday Science MCQs Quiz
Rusting of Iron involves_______________?
A. Reduction
B. Oxidation
C. Decomposition
D. Displacement
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Glass is made of the mixture of______________?
A. Quartz and mica
B. Sand and salt
C. Sand and silicates
D. None of these
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The major ingredient of leather is__________________?
A. Collagen
B. Polymer
C. Nucleic acid
D. None of these
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The Planet of the solar system which has Maximum number of moons is___________?
A. Jupiter
B. Venus
C. Saturn
D. Uranus
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Who discovered the living cell first time?
A. Robert brown
B. Robert hooke
C. Rudolf virchow
D. Antoni van leeuwenhoek
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Ribosomes were discovered by_______?
A. Golgi
B. De duve
C. Palade
D. R.brown
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Which character differentiates living things from non-living organisms___________?
A. They live in the same ecosystem.
B. They are acted upon by the same environment
C. They are highly organized and complex made of one or more cells and contain genetic material
D. Both a and b
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The study of fossils is called__________?
A. Environmental biology
B. Historical biology
C. Palaeontology
D. Social biology
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A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
A. Substrate
B. Co-factor
C. Inhibitor
D. Promotor
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Percentage of water in brain cells is_______?
A. 20%
B. 65%
C. 85%
D. 89%
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Word of the Day
18 Jul
Proactive
(of a person or action) creating or controlling a situation rather than just responding to it after it has happened.
فعال، پیش قدمی کے ذریعے صورتحال پر قابو پانیوالا

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