(B) Megakaryocytes are large bone marrow cells with a lobulated nucleus responsible for the production of blood platelets,also known as thrombocytes.T

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(B) Megakaryocytes are large bone marrow cells with a lobulated nucleus responsible for the production of blood platelets,also known as thrombocytes.These cells undergo fragmentation to release platelets into the blood circulation.Therefore,megakaryocytes are the precursors or producers of thrombocytes.

Class 11 Biology Body Fluids and Circulations Blood and Blood Group

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Megakaryocyte cells are .....

A
$RBC$ producers
B
Thrombocyte producers
C
$WBC$ producers
D
Protein producers

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Class 11

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Body Fluids and Circulations

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Blood and Blood Group

Mammals have biconcave $RBCs$. The physiological advantage of this shape is:

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Blood = $.....$

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The process of formation of blood corpuscles is called

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Which of the following is required for the conversion of fibrinogen into fibrin?

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Select the $CORRECT$ match:
Column-$I$ Column-$II$ Column-$III$
$i$. Monocyte $d$. Kidney shaped nucleus $n$. Phagocytic
$ii$. Lymphocyte $a$. Large round nucleus $o$. Produce antibodies
$iii$. Basophil $b$. Twisted nucleus $m$. Release heparin
$iv$. Eosinophil $c$. Bilobed nucleus $l$. Antihistamine property

Column-$I$	Column-$II$	Column-$III$
$i$. Monocyte	$d$. Kidney shaped nucleus	$n$. Phagocytic
$ii$. Lymphocyte	$a$. Large round nucleus	$o$. Produce antibodies
$iii$. Basophil	$b$. Twisted nucleus	$m$. Release heparin
$iv$. Eosinophil	$c$. Bilobed nucleus	$l$. Antihistamine property