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General Science Gk Questions

21. The colour of light is determined by
 
  • A. Intensity
  • B. Amplitude
  • C. Velocity
  • D. Wavelength
Answer: D.
Wavelength
 
22. Dual nature of matter was discovered by
 
  • A. Einstein
  • B. Bragg
  • C. Louis De Broglie
  • D. Plank
Answer: C.
Louis De Broglie
 
 
23. Mention the animal which lives for a long time.
 
  • A. Parrot
  • B. Turtle
  • C. Whale
  • D. Elephant
Answer: B.
Turtle
 
24. Which part of the human brain controls respiration and circulation?
 
  • A. Cerebellum
  • B. Cerebrum
  • C. Spinal cord
  • D. Medulla oblongata
Answer: D.
Medulla oblongata