What is blood pressure?

B. The pressure of blood in arteries

A. The pressure of blood in veins

B. The pressure of blood in arteries

C. The pressure of blood in capillaries

D. The pressure of blood in the heart chambers

Which of the following components are present both in blood and lymph?

A. Albumin, globulin and fibrinogen

C. Haemoglobin, urea and fibrinogen

Everyday Science · Circulatory System (Human Biology) · page 7 of 8

Blood MCQs with Answers

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Blood MCQs (61–70)

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

Past paper MCQs in this chapter · See all past papers

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61.
Which gas strongly binds with hemoglobin?
Correct Answer: B. Carbon monoxide
One-liner
Carbon monoxide strongly binds with hemoglobin, forming carboxyhemoglobin and reducing the blood's oxygen-carrying capacity.
62.
What percentage of body weight is blood?
Correct Answer: B. 7 percent
One-liner
Blood makes up approximately 7 percent of the total body weight in an average adult human.
63.
The oxygen carrying protein in red blood cells is called?
Correct Answer: B. Hemoglobin
One-liner
The oxygen-carrying protein in red blood cells is called Hemoglobin.
64.
What is blood pressure?
Correct Answer: B. The pressure of blood in arteries
One-liner
Blood pressure is the pressure of blood in arteries as the heart pumps it throughout the body.
65.
In severe anemia, hemoglobin levels come down to _
Correct Answer: A. 6.5 g/dl
One-liner
In severe anemia, hemoglobin levels drop to 6.5 g/dl, which is significantly below the normal range.
66.
What does blood consist of?
Correct Answer: D. 60% plasma, 40% corpuscles
One-liner
Blood consists of 60% plasma and 40% corpuscles (blood cells).
67.
Past Paper MCQ
What is the color of Oxyhaemoglobin?
Correct Answer: C. Bright red
One-liner
Oxyhaemoglobin is bright red in color, which gives oxygenated arterial blood its characteristic red appearance.
68.
Haemoglobin is a macromolecule and contains approximately _ atoms.
Correct Answer: A. 68000
One-liner
Haemoglobin is a macromolecule that contains approximately 68000 atoms.
69.
Normally the percentage of glucose/sugar in our body is?
Correct Answer: D. 0.08%
One-liner
The normal blood glucose/sugar level in the human body is approximately 0.08% (80 mg/dL).
70.
Which of the following components are present both in blood and lymph?
Correct Answer: D. CO₂, glucose and water
One-liner
Both blood and lymph contain CO₂, glucose and water as common components.

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Blood MCQs with Answers

Blood MCQs (61–70)

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