Botany General knowledge Questions

DIRECTIONS : Objective Question on General Science.
26. The process of evaporation occurs from
  A.  Entire plants surface
  B.  Leaf
  C.  Root
  D.  Stem
27. Gregory Johann Mendel worked on
  A.  Garden pea
  B.  Wild pea
  C.  Edible pea
  D.  Pigeon pea
28. The chief constituent of cotton is
  A.  Cellulose
  B.  Glycerine
  C.  Protein
  D.  Fatty acid
29. A characteristic odour of garlic is due to
  A.  Acetic acid
  B.  A fluorine compound
  C.  A Chloro compound
  D.  A sulphur compound
30. Which of the following leguminous plant is also a petro plant?
  A.  Pigeon pea
  B.  Pea
  C.  Pongamia
  D.  Gram
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