Science Facts Set-19

  • RNA (Ribo Nucleic Acid) is a genetic material in many viruses.
  • Lions are the second largest living cats after tigers.
  • Antonie van Leeuwenhoek was the first person to observe bacteria under microscope.
  • Vitamin B (Riboflavin) is obtained from yeast.
  • Hippopotamuses are the third largest mammals in the world.
Hippopotamus PPO50051
  • Rhombic sulphur, prismatic sulphur and monoclinic sulphur are the three allotropes of sulphur.
  • Aluminium is a light metal with a density of 2.7 g/cc.
  • Insulin is a hormone which decreases blood sugar level while glucagon is a hormone which increases blood sugar level.
  • The moon revolves around the Earth with a speed of 1.022 km/s.
  • The average weight of an adult human brain is about 1300-1400 grams.
The Human Brain Book

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