Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

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

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

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

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

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

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

Answer: Option [D]


Important EBooks for Competitive Exams