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General Science GK Questions and Answers for Union Public Service Commission Exams

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Free download as PDF General Science GK Questions and Answers for UPSC(Union Public Service Commission) Exams or solved MCQs with answers. These quiz objective questions are helpful for competitive exams SSC, UPSC, IAS, IPS, CDS, NDA, Railways or RRB etc.
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(76) Twinkling of stars is due to :
[A] Due to diffraction
[B] Reflection of light from the moon
[C] Difference of temperature between various layers of air of varying density
[D] None of the above

Comment

Answer: Option [C]
(77) Laws of genetics were established by :
[A] Gregor Mendel
[B] De Vries
[C] Charles darwin
[D] Thomas Morgan

Comment

Answer: Option [A]

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(78) Dengue fever is caused by :
[A] Protozoa
[B] Bacteria
[C] Algae
[D] Virus

Comment

Answer: Option [D]
(79) Tetanus is caused by bacillus and affects:
[A] Human Brain
[B] Nervous system
[C] Skin
[D] None of them

Comment

Answer: Option [B]
(80) The same side of the moon always faces the earth because:
[A] Earth moves with same speed
[B] Moon cannot change its position
[C] Moon & Earth have gravitation force
[D] The period of rotation of moon is nearly equal to the period of rotation of earth

Comment

Answer: Option [D]

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