Which components are included in human blood?

C. Only white blood cells and platelets

Everyday Science · Circulatory System (Human Biology) · page 4 of 8

Blood MCQs with Answers

Includes 11 past paper MCQs (marked).

Timed quizzes, instant results, track your progress — free

Practice these MCQs in the app

All Everyday Science chapters

Blood MCQs (31–40)

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

Past paper MCQs in this chapter · See all past papers

Answers and one-liners are hidden. Tap an option to check that question, or show all.

31.
The pH of human blood is ?
Correct Answer: D. 7.3–7.4
One-liner
The pH of human blood is 7.3–7.4, making it slightly alkaline.
32.
Which components are included in human blood?
Correct Answer: D. Plasma and blood cells
One-liner
Human blood is composed of plasma and blood cells (red blood cells, white blood cells, and platelets).
33.
How much carbon dioxide is transported through blood proteins?
Correct Answer: D. 20%
One-liner
About 20% of carbon dioxide is transported in the blood bound to proteins, primarily haemoglobin (as carbaminohaemoglobin).
34.
Past Paper MCQ
Iron is an essential mineral which is needed for our body for the production of?
Correct Answer: D. Hemoglobin
One-liner
Iron is essential for the production of hemoglobin, the oxygen-carrying protein in red blood cells.
35.
Which organ is referred to as the graveyard of Red Blood Cells?
Correct Answer: C. Spleen
One-liner
The spleen is referred to as the graveyard of Red Blood Cells because it filters and destroys old, damaged, or worn-out RBCs from the bloodstream.
36.
Which of the following is the normal type of hemoglobin in adults?
Correct Answer: C. HbA
One-liner
The normal type of hemoglobin in adults is HbA (Hemoglobin A).
37.
What is the pH value of Human Blood?
Correct Answer: A. 7.35 to 7.45
One-liner
The pH value of human blood is 7.35 to 7.45, making it slightly alkaline.
38.
Fibrinogen is necessary for _?
Correct Answer: A. Blood clotting
One-liner
Fibrinogen is necessary for blood clotting.
39.
Antibodies flowing in blood which can recognize and kill virus and bacteria are special type of ?
Correct Answer: B. Proteins
One-liner
Antibodies are special types of proteins that recognize and neutralize foreign invaders like viruses and bacteria.
40.
An example of a connective tissue is the ?
Correct Answer: A. Blood
One-liner
Blood is an example of a connective tissue, as it connects different parts of the body by transporting substances. The correct answer is Blood.

Previous chapter: Miscellaneous Next chapter: Blood Cells

Blood MCQs with Answers

Blood MCQs (31–40)

Subjects

Exams

Platform

Legal