Everyday Science MCQs

5120 MCQs  (Page 247 of 512)

Attempt Everyday Science MCQs Quiz
In radiation, which of the following has strong photons?
A. X-rays
B. Gamma
C. Microwave
D. Electromagnetic
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Permanent hardness of water may be removed by the addition of___________?
A. Sodium carbonate
B. Alum
C. Potassium permanganate
D. Lime
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Which of the following is not the name of any scientist?
A. Pauli exclusion principle
B. Hund’s rule
C. Aufbau’s principle
D. Le-chatelier’s principle
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Vitamin C is essential for___________?
A. Appetite
B. Growth & repairing of tissues
C. Muscles
D. Brain
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Linnaeus published the list of names of plants in___________?
A. 1752
B. 1753
C. 1754
D. 1755
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Who discovered that the earth was not the center of the universe?
A. Aristotle
B. Nicolaus copernicus
C. Sir isac newton
D. None
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For the generation of biogas, the materials commonly used are__________?
A. Animal wastes
B. Forest residues
C. Aquatic plants
D. None of these
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Which of these is NOT an example of a renewable energy source?
A. Wind energy
B. Solar
C. Coal
D. Hydroelectric power
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Give Electronic configuration of Sodium:
A. 1s2,2s2,2p6
B. 1s2,2s2,2p6,3s2
C. 1s2,2s2,2p6,3s1
D. None of these
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Air is a/an _________?
A. Compound
B. Element
C. Electrolyte
D. Mixture
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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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