Zoology-Blood Composition
NEET Zoology Blood Composition MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about blood composition is correct?
A
Fibrinogens are necessary for blood clotting and are present in plasma.
B
All formed elements constitute more than 60% of blood volume.
C
Albumins are primarily responsible for immune defense mechanisms.
D
Serum contains clotting factors in an active form.
Correct Answer
Option A
Detailed Explanation
Fibrinogens are indeed needed for clotting or coagulation of blood and are present in plasma. Formed elements actually constitute nearly 45% of blood, not more than 60%. Albumins primarily help in osmotic balance, not defense mechanisms, and serum is plasma without clotting factors.
Found an issue with this question?