Question

Which of the following statements are incorrect?
(i) Leucocytes disintegrate in spleen and liver.
(ii) $RBCs,WBCs$ and blood platelets are produced by bone marrow.
(iii) Neutrophils bring about destruction and detoxification of toxins of protein origin.
(iv) Important function of lymphocytes is to produce antibodies.

• A. (i) and (ii)
• B. (i) and (iv)
• C. (i) and (iii)
• D. (ii) and (iii)

Answer 1

Answer: (C)

Leucocytes disintegrate in blood, liver and lymph nodes. Neutrophils are phagocytic in nature i.e., they engulf harmful germs.