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Pollination by birds is called

A. autogamy

B. entomophily

C. anemophily

D. ornithophily

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  1. Which of the following is the lightest metal ?
  2. Liquefied Petroleum gas (LPG) consists of mainly
  3. Water has maximum density at
  4. Polythene is industrially prepared by the polymerisation of
  5. The hardest substance available on earth is
  6. The colour of Emerald is
  7. The solar eclipse occurs when
  8. Which of the following elements is non-radioactive?
  9. The removal of top soil by water or wind is called
  10. The marine animal called dugong which is vulnerable to extinction is a/an
  11. Rust is
  12. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  13. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  14. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  15. The formula of Plaster of Paris is
  16. Which of the following is commonly called a polyamide ?
  17. The property of a substance to absorb moisture from the air on exposure is called
  18. What is the unit for measuring the pitch or frequency of sound ?
  19. The Panda belongs to the same family as that of
  20. The recent atomic weight scale is based on
  21. Quartz crystals normally used in quartz clocks etc. is chemically
  22. Glass is made from the mixture of
  23. Which of the following elements is obtained from sea weeds ?
  24. The metal that is present in Photo Films is
  25. Brass gets discoloured in air due to the presence of which gas in air
  26. The most important ore of Aluminium is
  27. Earth's seasons are caused by which of the following?
  28. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  29. The metallic constituents of hard water are
  30. The fastest acting enzyme in the biological kingdom is