Ammonia is oxidized to  Nitrite by
  • Nitrosomonas
  • Psedomonas
  • Bacillus ramosus
  • None of these
Match the column
natural-resources-mcq-2.png
  • p -> iii, q->i, r ->iv, s-> ii
  • p -> ii, q->i, r ->iv, s-> iii
  • p -> ii, q->iii, r ->i, s-> iv
  • p -> ii, q->iii, r ->iv, s-> i
Which of the following is not a green house gas?
  • $CH_4$
  • $CO$
  • $NH_3$
  • $CO_2$
Match the column
natural-resources-mcq-3.png
  • p -> iv, q->iii, r ->ii, s-> i
  • p -> iii, q->ii, r ->i, s-> iv
  • p -> iv, q->i, r ->ii, s-> iii
  • p -> iv, q->ii, r ->i, s-> iii
Which of the following is a recently originated problem of environment?
  • Ozone hole
  • Green house effect
  • Global Warming
  • All the above
The two forms of oxygen found in the atmosphere are
  • $O_2$ and $O_3$
  • $NO_2$ and $O_2$
  • $CO_2$ and $O_2$
  • $H_2O$ and $O_2$
The atmosphere of the earth is heated by radiations which are mainly
  • re-radiated by land
  • re-radiated by water
  • re-radiated by land and water
  • radiated by the sun
Growth of Lichens on barren rocks is followed by the growth of
  • algae
  • gymnosperms
  • ferns
  • moss
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