NEETZoologyBody Fluids and Circulation
Match List I with List II regarding the normal physiological abundance of formed elements in human blood. List I (Formed Elements) List II (Abundance) (A) Erythrocytes (I) 60-65 % of total WBCs (B) Platelets (II) 20-25 % of total WBCs (C) Neutrophils (III) 1.5-3.5 lakh mm⁻³ (D) Lymphocytes (IV) 5-5.5 million mm⁻³ Choose the correct answer from the options given below:
Options
- A(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
- B(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
- C(A)-(III), (B)-(IV), (C)-(I), (D)-(II)
- D(A)-(IV), (B)-(I), (C)-(III), (D)-(II)
Correct answer
A. (A)-(IV), (B)-(III), (C)-(I), (D)-(II)
Step-by-step solution
According to NCERT, a healthy adult man has, on average, 5 millions to 5.5 millions of RBCs (erythrocytes) mm⁻³ of blood. Blood normally contains 1,50,000-3,50,000 platelets mm⁻³ . Among leukocytes (WBCs), neutrophils are the most abundant cells ( 60-65 % of the total WBCs) and lymphocytes are the second most abundant ( 20-25 % ). Therefore, the correct match is (A)-(IV), (B)-(III), (C)-(I), (D)-(II). Answer: (A)-(IV), (B)-(III), (C)-(I), (D)-(II)