(D) Blood platelets,also known as thrombocytes,are cell fragments derived from megakaryocytes in the bone marrow. These are specifically characteristi

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(D) Blood platelets,also known as thrombocytes,are cell fragments derived from megakaryocytes in the bone marrow. These are specifically characteristic of mammalian blood. In other vertebrates like birds,reptiles,and fish,the equivalent cells are nucleated and are called thrombocytes,which are complete cells rather than fragments.

Class 11 Biology Body Fluids and Circulations Blood and Blood Group

Easy

Blood platelets are found in $.......$.

A
Pisces
B
Reptilia
C
Aves
D
Mammalia

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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulations

Subtopic

Blood and Blood Group

Which of the following vitamins is needed for the coagulation of blood?

Easy

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Vitamin $B_{12}$ is helpful:

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Identify the largest agranulocytic leukocyte.

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Match the following columns:
Column-$I$ (Cells) Column-$II$ (Average number per $mm^3$)
$P$. Erythrocytes $I$. $1.5$ to $3.5$ Lakhs
$Q$. Leukocytes $II$. $6,000$ to $8,000$
$R$. Thrombocytes $III$. $5$ to $5.5$ Million

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Globulins contained in human blood plasma are primarily involved in:

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Column-$I$ (Cells)	Column-$II$ (Average number per $mm^3$)
$P$. Erythrocytes	$I$. $1.5$ to $3.5$ Lakhs
$Q$. Leukocytes	$II$. $6,000$ to $8,000$
$R$. Thrombocytes	$III$. $5$ to $5.5$ Million

Blood platelets are found in $.......$.

Similar Questions

Which of the following vitamins is needed for the coagulation of blood?

Vitamin $B_{12}$ is helpful:

Identify the largest agranulocytic leukocyte.

Match the following columns:Column-$I$ (Cells)Column-$II$ (Average number per $mm^3$)$P$. Erythrocytes$I$. $1.5$ to $3.5$ Lakhs$Q$. Leukocytes$II$. $6,000$ to $8,000$$R$. Thrombocytes$III$. $5$ to $5.5$ Million

Globulins contained in human blood plasma are primarily involved in:

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Match the following columns:
Column-$I$ (Cells) Column-$II$ (Average number per $mm^3$)
$P$. Erythrocytes $I$. $1.5$ to $3.5$ Lakhs
$Q$. Leukocytes $II$. $6,000$ to $8,000$
$R$. Thrombocytes $III$. $5$ to $5.5$ Million