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  4. Which of the following match is correct? Structure Percentage Function (a) <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/92148280fcb6fd466617cfd24511d184-.png /> 0.3 - 0.5 Phagocytic (b) <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/fe952a3e4cb002ea59c53dfbecedd821-.png /> 0.5 - 1.0 Secrete histamine and serotonin (c) <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/82663c03a1eff9100f7a00a341546c17-.png /> 30 - 40 Defence against parasite (d) <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/5e5d3bf61d9007302933a82b2a40b675-.png /> 30 - 40 Allergic reactions

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Q. Which of the following match is correct?
Structure Percentage Function
(a) image 0.3 - 0.5 Phagocytic
(b) image 0.5 - 1.0 Secrete histamine and serotonin
(c) image 30 - 40 Defence against parasite
(d) image 30 - 40 Allergic reactions

Body Fluids and Circulation

Solution:

The structure given in option $'b'$ is of basophil. Basophils secrete histamine, serotonin, heparin, etc. and are involved in inflammatory reactions. The structure given in option $'a'$ is of neutrophil. Its percentage is $40-70\%$. The structure given in option $'c'$ is of eosinophil. Its percentage is $1-6\%$. The structure given in option'd' is of monocyte. Its percentage is $2-10\%$ and is phagocytic in function.