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Important MCQs of Everyday Science

  • Rainbow doesn’t have black color in it.
  • Star twinkle due to change in the refractive index of the air on earth.
  • Plague can be used as culture media in laboratories.
  • Rust is caused by fungus.
  • Pepsin is produced in the stomach and is a digestive enzyme.
  • The element nitrogen is found in proteins.
  • Kidneys in the human body help in osmoregulation.
  • Milk itself is a complete food.
  • Milk contains vitamin C.
  • Newly born thrives best on its mother’s milk.
  • Light travels fastest through a vacuum.
  • The life span of RBCs is 120 days.
  • RBCs originate in the bone marrow.
  • The per-minute range of heartbeat of human beings is 70 to 80 times.
  • DNA is a class of nucleic acid.
  • DNA is synthesized by RNA.
  • Blood contains 60 percent plasma and 40 percent corpuscles.
  • Vitamin associated with blood clotting is vitamin K.
  • Types of blood cells in humans are three.
  • Lustre of the diamond is due to total internal reflection.
  • William Harvey discovered the circulation of blood in the human body.
  • Trypsin is a digestive enzyme which breaks peptide bond.
  • Riboflavin is a Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals.
  • NaOH is caustic soda.
  • Pure gold is 24 carat.
  • Eucalyptus is a fast-growing tree.
  • Radioactivity was discovered by Henry Becquerel.
  • I horsepower is equal to 746 watts.

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