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JAMB Biology 1988 Question 27

Question 27

Plant Responses and Hormones

Taxism differs from tropism because

  1. A.the whole organism is affected
  2. B.it is a directional movement
  3. C.it is a response to multi-directional stimuli
  4. D.part of the organism is affected
Show the answer and explanation

Answer: A (the whole organism is affected)

Explanation

In a taxis the whole organism moves towards or away from a stimulus; in a tropism only part of a plant grows towards or away from it.