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WAEC Biology 2020 Question 3

Question 3

Animal Kingdom

Use the following Classes of Arthropoda: I. Crustacea II. Insecta III. Arachnida IV. Chilopoda. Which of the Classes is characterised by the possession of two pairs of antennae?

  1. A.I
  2. B.II
  3. C.III
  4. D.IV
Show the answer and explanation

Answer: A (I)

Explanation

Crustaceans have two pairs of antennae. Insects and centipedes have one pair, and arachnids have none.