| List-I | List-II | ||
| A | Basophils | 1 | Phagocytosis |
| B | Neutrophils | 2 | Inflammation |
| C | Plasma cells | 3 | Blood clotting |
| D | Thromobocytes | 4 | Antibodies |
A) A-2 B-1 C-4 D-3
B) A-2 B-1 C-3 D-4
C) A-1 B-2 C-4 D-3
D) A-4 B-1 C-2 D-3
Correct Answer: A
Solution :
Basophils are least numerous and stain with basic dyes like methylene blue. At the place of injury basophils secrete vasodilators such as histamine, serotonin. Inflamation takes place at the site of injury. - Neutrophils are most numerous and must active type of WBCs. These corpuscles are actively motile and most actively phagocytic. - Thrombocytes (blood platelets) occur only in mammals. Their 50% part is proteins and 15% is fats. Protein mainly incldue a contractile protein (thrombosthinin) similar to actomyosin of muscles. These play important role during blood clearing. - Plasmablasts are precursor of plasma cells. The mature plasma cells produces gamma globulin antibodies at an extremely rapid rate about 2000 molecule per second.
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