Botany Quiz Questions and Answers

25. The gas released during the photosynthesis by the green plants is
  A.  Nitrogen
  B.  Oxygen
  C.  Water vapour
  D.  Carbon dioxide
Answer
Ans: B
Oxygen
26. The process of evaporation occurs from
  A.  Stem
  B.  Root
  C.  Entire plants surface
  D.  Leaf
Answer
Ans: D
Leaf
27. Gregory Johann Mendel worked on
  A.  Wild pea
  B.  Garden pea
  C.  Edible pea
  D.  Pigeon pea
Answer
Ans: A
Wild pea
28. The chief constituent of cotton is
  A.  Protein
  B.  Fatty acid
  C.  Cellulose
  D.  Glycerine
Answer
Ans: C
Cellulose
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