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प्रश्न
Differentiate between the following pair of terms: Platelets and WBCs
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उत्तर
| Platelets | WBCs |
| These are colourless, oval or round, cytoplasmic fragments found floating in the blood | WBC are colourless and lack haemoglobin, larger in quantity, and have distinct oval and lobed nucleus |
| These play a major role in blood clotting. | They prevent body from disease causing germs by providing immunity |
| Their life span is 3-5 days and it is called thrombocytes | Their life span is short i.e. 5 to 20 days. |
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संबंधित प्रश्न
The component of blood which makes chemicals known as antibodies is
Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Monocyte | a. |  |
| ii. | Eosinophil | b. |  |
| iii. | Lymphocyte | c. |  |
| iv. | Neutrophil | d. |  |
Select the correct match.
Lymphocyte : antibodies :: Basophil : ____________.
Which pair of blood corpuscles is non-phagocytic?
Number of leucocytes present in one mm-3 of blood is ______.
Name the following:
The smallest W.B.C.
Which of the following chemical substances is released from Eosinophils?
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
RBCs: Polycythernia :: WBCs. : ______
Distinguish between the following pair on the basis of words indicated in the bracket ( ):
Erythrocytes and Leukocytes (Nucleus)
Write important role/roles of the following:
Hepatic portal vein
