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Earn 100
Identify the incorrect statements from the following:
(i) The important role of lymphocytes is to produce antibodies.
(ii) Neutrophils have a multilobed nucleus.
(iii) Basophils are formed by the breakdown of megakaryocytes.
(iv) Monocytes have a large round nucleus.
(v) The normal WBC count in blood is 6000-8000 per cubic mm of blood
40% studentsanswered this correctly
Important Questions on Body Fluids and Circulation
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(i) Leucocytes disintegrate in spleen and liver.
(ii) RBCs, WBCs and blood platelets are produced by bone marrow.
(iii) Neutrophils bring about destruction and detoxification of toxins of protein origin.
(iv) Important function of lymphocytes is to produce antibodies.
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If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
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(i) Proteins contribute of the blood plasma.
(ii) Plasma contains very high amount of minerals.
(iii) Plasma without the clotting factors is called serum.
(iv) Glucose, amino acids, lipids, etc., are also present in the plasma as they are always in transit in the body.
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HARD
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Figure shows schematic plan of blood circulation in humans with labels A to D. Identity the label and give its function/s.
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I. Plasma constitutes nearly 55% of the human blood.
II. Albumin is a plasma protein, which helps in osmotic balance.
III. Factors responsible for the blood clotting process are present in the blood.
IV. Plasma without clotting factors is called serum.
V. Minerals are not generally found in the blood.
Of the above statements which are true and false.
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