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Ultra-violet radiation from sunlight causes the reaction that produce

A. CO    

B. so2

C. o3

D.
 Fluorides

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  1. Synecology is the study of
  2. Birth rate under ideal conditions is known as
  3. Species that occur in different geographical regions separated by special barriers are
  4. Plants growing on sea shores show characters of
  5. Silent valley of Kerala is preserved because
  6. Ultra-violet radiation from sunlight causes the reaction that produce
  7. The source of energy in an ecosystem is
  8. The most polluted city in the world is
  9. In a food-chain, the saprophytic organisms are
  10. In an ecosystem the population of
  11. Which one is the direct ecological factor ?
  12. The energy storage of consumer level is called
  13. Trophic levels are formed by
  14. Synecology is the study of
  15. An organism which lives at the expense of another organism is called
  16. Smog is a combination of
  17. Acid rain is
  18. Animals in cold regions have fur because
  19. Trophic levels are formed by
  20. Animals which live at the bottom of the sea are called
  21. One always finds many more of the prey species than of the predator. This is called a
  22. Strontium- 90 can cause
  23. An association between two or more species in which both are benefited is known as
  24. A pond is
  25. The total set of feeding relationships in a biotic community is called
  26. The soils transported by water are called
  27. All the living organisms on earth constitute
  28. The total interacting animals and plants in any well defined area which as field or a pond is known…
  29. Some animals have a constant high body temperature. This is because
  30. When a big fish eats a small fish, which eats water fleas supported by phyto-plankton, the water-fleas…