Botany General knowledge Questions

DIRECTIONS : Objective Question on General Science.
21. The water and mineral salts are transported to the various organs by which of the following?
  A.  Cambium
  B.  Xylem
  C.  Phloem
  D.  Cortex
22. Epiphytes are plants which depend on other plants for
  A.  Food
  B.  Mechanical support
  C.  Water
  D.  Shade
23. Which plant’s leaves are used to make outer wrap of 'beedi'?
  A.  Tendu
  B.  Cinchona
  C.  Opium
  D.  Areca
24. Which one of the following is an active component of oil of clove?
  A.  Methanol
  B.  Benzaldehyde
  C.  Menthol
  D.  Eugenol
25. The gas released during the photosynthesis by the green plants is
  A.  Nitrogen
  B.  Water vapour
  C.  Oxygen
  D.  Carbon dioxide
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