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WAEC Biology 2026 Question 27

Question 27

Variation

An example of physiological variation is

  1. A.height of plant
  2. B.shape of leaf
  3. C.hair colour
  4. D.blood group
Show the answer and explanation

Answer: D (blood group)

Explanation

Blood group depends on chemicals in the blood, not on visible structure, so it is a physiological variation; height, leaf shape and hair colour are morphological.