MCQ practice · SSC Biology Board questions · Chapter 6: Transport in Organisms
What is the share of plasma in blood?
Think it through first, then pick an option.
- a 45%
- b 55%
- c 65%
- d 75%
Answer and explanation
Correct answer: b 55%
About 55 percent of blood is plasma; the other 45 is cells.
Why the other options are wrong
- a 45%: 45 percent is the cells' share, not plasma's.
- c 65%: At 65 percent the cells would be only 35, which does not match the book.
- d 75%: At 75 percent the cells would be only 25; the book gives plasma as 55.
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