Pollination by birds is called

A. autogamy

B. entomophily

C. anemophily

D. ornithophily

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  1. Polythene is industrially prepared by the polymerisation of
  2. The element present in the largest amount in rocks and minerals is
  3. The major ingredient of leather is
  4. Pollination by birds is called
  5. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  6. Which of the following elements is non-radioactive?
  7. What is the unit for measuring the pitch or frequency of sound ?
  8. The speed of light with the rise in the temperature of the medium
  9. Which of the following is the lightest metal ?
  10. Apparatus invented by Archimedes is :
  11. The Panda belongs to the same family as that of
  12. The removal of top soil by water or wind is called
  13. Which of the following is in liquid form at room temperature ?
  14. The most important ore of Aluminium is
  15. Nitrification means
  16. Cell membrane is
  17. When a gas is turned into a liquid, the process is called
  18. The intencity of Earthquakes is measured on
  19. The metallic constituents of hard water are
  20. Earth's seasons are caused by which of the following?
  21. The smallest functional and structural unit of kidney is called as
  22. Epoxy resins is used as
  23. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  24. The recent atomic weight scale is based on
  25. The oxide of Nitrogen used in medicine as anaesthetic is
  26. The solar eclipse occurs when
  27. The hardest substance available on earth is
  28. The type of glass used in making prisms and lenses is
  29. The location and energy of an electron in an atom can be specified by
  30. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of