Plasma Composition & Protein Types — NEET Biology
📚 Practice ConceptPlasma is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood. 90-92 per cent of plasma is water and proteins contribute 6-8 per cent of it. Fibrinogen, globulins and albumins are the major proteins.
Consider the following statements : 1. Plasma is straw-coloured, viscous, and constitutes nearly 55% of blood. 2. About 90–92% of plasma is proteins, while 6–8% is water. 3. Proteins such as fibrinogen, globulins, and albumins are present in plasma. 4. Erythrocytes, leucocytes, and platelets together constitute about 45% of the blood. 5. Erythrocytes are the most abundant of all the formed elements in blood. Choose the correct option:
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Correct answer: B — 1, 3, 4 and 5 are correct
Statement 1 is correct: plasma forms ~55% of blood and is straw-coloured. Statement 2 is incorrect: 90–92% is water, while proteins make 6–8%. Statement 3 is correct: plasma proteins include fibrinogen, globulins, and albumins. Statement 4 is correct: formed elements (RBCs, WBCs, platelets) together make ~45%. Statement 5 is correct: RBCs are the most abundant of the formed elements.
What does NCERT say about Plasma straw coloured viscous?
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