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Daily GK on General Science for Competitive Exams

36 Digestion of food stars in:
A Intestine
B Stomach
C Liver
D Mouth

Answer: Option [D]
37 The American genetist who discovered the effect of X-ray on mutation rate in the drosophila was:
A Bridge
B Beadle
C Muller
D Morgan

Answer: Option [C]


38 The Planets are kept in motion in their orbits by:
A Their rotation and density
B Gravitational force
C Their giant size and spherical shape
D Rotation of thw sun on its axis

Answer: Option [B]
39 At sun rise or sun set the sun appears red because:
A Of the scattering of light
B Of the effects differaction
C The sun is hottest at these times
D Of the effects of refraction

Answer: Option [A]
40 When a Soap film on water is seen in daytime, it shows beautiful colours. This phenomenon is due to :
A Diffraction
B Refraction
C Polarisation
D Interference

Answer: Option [D]


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