JAMB Biology 2022 Objective — Question 14

Question 14 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2022 Objective paper, with the correct answer and a full explanation.

Which of the following forms about 55% of the volume of blood in man?

A. erythrocytes
B. leucocytes
C. platelets
D. plasmaCorrect

Explanation

Blood plasma constitutes about 55% of the volume of blood, while blood corpuscles (erythrocytes, leucocytes and thrombocytes) make up about 45%.

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