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  1. The scientist who discovered the blood groups is
  2. Calcium and phosphorus assimilation will depend on sufficient intake of
  3. Warm-bloodedness
  4. The germ theory of diseases was put forward by
  5. The geotropism of the roots that makes them grow towards gravity is said to be
  6. Scurvy is prevented by vitamin
  7. The protoplasm of a child is exactly the same as that of its
  8. Colour vision is made possible by the cells in the retina called
  9. Which among the following vitamins is considered to be a harmone?
  10. Best growth of plants is attained if they are supplied with
  11. The tear glands help us in
  12. The muscles of the heart are
  13. Insulin is concerned with the metabolism of
  14. The bacteria that gets into our body is consumed by
  15. Whooping cough is caused by
  16. Lizards, snakes, crocodiles and turtles belong to the class
  17. In case of a heart attack a hormone is injected as an emergency measure. Which one is it?
  18. The Green Revolution in India owes much to
  19. Saliva flows at the sight of food. This action is
  20. Intravascular clotting of blood is known as
  21. The radicle of the seeding always grows
  22. Spiders can take only
  23. The thrombocytes are associated with
  24. The disease Goitre is caused in persons who do not have in their diet sufficient
  25. Antibodies are formed in
  26. Temperature treatment which shortens the vegetative period and hastens the flowering is called
  27. One of the following is often called the master gland. Which one is it?
  28. The disease in which blood clotting does not take place is known as
  29. Which of the following diseases is water borne?
  30. What are the symptoms of Xeroph-thalmia?