Botany Quiz Questions and Answers

5. Which one of the following is the longest flower in the world?
  A.  Sunflower
  B.  Glory lily
  C.  Lotus
  D.  Rafflesia
Answer
Ans: D
Rafflesia
6. Photosynthesis using the invisible part of the sunlight is done by
  A.  Bacteria
  B.  Trees
  C.  Algae
  D.  Fungi
Answer
Ans: A
Bacteria
7. Tallest terrestrial tree on the earth is
  A.  Pine
  B.  Sequoia
  C.  Deodar
  D.  Eucalyptus
Answer
Ans: B
Sequoia
8. Which of the following is a plant hormone?
  A.  Insulin
  B.  Oxytocin
  C.  Adrenaline
  D.  Auxin
Answer
Ans: D
Auxin
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