WAEC Biology 1992 Question 15

Question 15

Transport in Animals

Which of the following is not correct about blood platelets? They

  1. A.are also known as thrombocytes
  2. B.have no nucleus
  3. C.are formed in the red bone marrow
  4. D.neutralize the toxins in the blood
  5. E.help in clotting of blood
Show the answer and explanation

Answer: D (neutralize the toxins in the blood)

Explanation

Platelets help blood to clot; neutralising toxins is done by antibodies (antitoxins).