Select the correct statement:-
I. Proteins contribute 6 - 8% of the blood plasma.
II. Plasma contains very high amount of salts and minerals.
III. Plasma without the clotting factors is called serum.
IV. Clotting factors in plasma present in an inactive form.

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I and II are correct

III and IV are incorrect

Only II is incorrect

Only I and IV are correct

answer is B.

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Detailed Solution

Plasma contains small amount of minerals like Na+, Ca++, Mg++, HCO3 –, Cl–, etc.
Blood plasma contains dissolved proteins (6–8%) (i.e.—serum albumins, globulins, and fibrinogen), glucose, clotting factors, electrolytes, hormones, CO₂ and oxygen.
Though plasma contain substantial amount of minerals, but the concentration in terms of percentage can not be defined as 'high amount' in terms of their presence in plasma.
Blood plasma without clotting factor is called serum.

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