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Daily GK on General Science for Competitive Exams

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Download Free as PDF Daily GK on General Science for Competitive 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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(36) Digestion of food stars in:
[A] Intestine
[B] Stomach
[C] Liver
[D] Mouth

Comment

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

Comment

Answer: Option [C]

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(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

Comment

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

Comment

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

Comment

Answer: Option [D]

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