Everyday Science · Circulatory System (Human Biology) · page 8 of 8

Blood MCQs with Answers

Includes 11 past paper MCQs (marked).

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Blood MCQs (71–77)

7 MCQs with answers and a short one-liner. Hide answers to test yourself.

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71.
Which among the following isotope is used in studies of iron metabolism and proper functioning of red blood cells (RBCs)?
Correct Answer: A. Iron - 59
One-liner
The isotope used in studies of iron metabolism and proper functioning of red blood cells (RBCs) is Iron-59.
72.
The fluid which is present between the intracellular spaces in many animals is called?
Correct Answer: B. Interstitial fluid
One-liner
The fluid present between the intracellular spaces in many animals is called interstitial fluid.
73.
There are proteins in fish blood.
Correct Answer: C. 3
One-liner
There are 3 proteins in fish blood.
74.
Copper Test Checks:
Correct Answer: B. Blood
One-liner
The Copper Test is used to check for the presence of blood.
75.
Which anticoagulant is naturally present in the human body that prevents blood clotting?
Correct Answer: D. Heparin
One-liner
The naturally occurring anticoagulant in the human body that prevents blood clotting is Heparin.
76.
Past Paper MCQ
The main constituent of Hemoglobin is _?
Correct Answer: B. Iron
One-liner
The main constituent of hemoglobin is Iron.
77.
Past Paper MCQ
The average adult has a blood volume of about _ liters.
Correct Answer: D. 5
One-liner
The average adult has a blood volume of about 5 liters.