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Question

Observe the following statements and select which are true or false?
(1) Plasma constitutes 45% of the human blood.
(2) Albumin is a plasma protein which helps in osmotic balance.
(3) Factors responsible for the blood clotting process are present in the blood.
(4) Plasma without clotting factors is called serum.
(5) Minerals are not generally found in blood.

A
Only 5 is wrong and all others 1 to 4 are correct.
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B
1 and 2 are correct and 3, 4 and 5 are wrong.
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C
2 and 4 are correct and 1, 3 and 5 are wrong.
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D
1 and 5 are correct and 2, 3 and 4 are wrong.
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E
2, 3 and 4 are correct and 1 and 5 are wrong.
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Solution

The correct option is E 2, 3 and 4 are correct and 1 and 5 are wrong.
Albumin protein in plasma is responsible for maintaining osmotic balance. Plasma constitutes about 55% of the human blood and blood cells constitute 45% of the human blood. Minerals like sodium, potassium, calcium regulate normal blood pressure. Blood clotting factors are present in blood. Serum is the plasma from which clotting factors have been removed.
Thus, the correct answer is option E.

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