WAEC Biology 2026 Question 33

Question 33

Transport in Animals

The component of the blood in mammals which is circular, biconcave and non-nucleated is

  1. A.erythrocyte
  2. B.granulocyte
  3. C.leucocyte
  4. D.lymphocyte
Show the answer and explanation

Answer: A (erythrocyte)

Explanation

Mammalian red blood cells (erythrocytes) are biconcave discs without a nucleus, which gives more room for haemoglobin.