Question Detail

The most abundant constituent of atmospheric air is ?

  • Oxygen
  • Hydrogen
  • Carbon
  • Nitrogen
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1. Which part of eye becomes inflamed and pink when dust gets into it ?

  • Choroids
  • Cornea
  • Sclerotic
  • Conjunctiva

2. Placenta is the structure formed :

  • by fusion of germ layers
  • by foetus only
  • by the union of foetal and uterine tissue
  • by uterine only

3. Diabetes is caused by lack of ?

  • Sugar
  • Calcium
  • Vitamin
  • Insulin

4. Photosynthesis generally takes place in which parts of the plant?

  • Steam and leaf
  • Leaf and other chloroplast bearing plants
  • Bark and leaf
  • Roots and chloroplast bearing plants

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  • Trypsin
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