Which one of the following immune system components does not correctly match with its respective role

Interferons - secreted by virus-infected cells and protect non-infected cells from further viral infection

B-lymphocytes-produces antibodies in response to pathogens into blood to fight with them

Macrophages-mucus secreting cells that trap microbes entering in the body

IgA-present in colostrum in early days of lactation and protect infant from diseases

Solution

Macrophages-mucus secreting cells that trap microbes entering in the body

Macrophages are cells produced by differentiation of monocytes in tissues. They are present throughout the body with large numbers in the lymph nodes, bone marrow and spleen. These are specialized phagocytic cells that attack foreign substances.

Some More Questions From Human Health and Disease Chapter

What is the significance of ‘Typhoid Mary’ ?

Name the most infectious human common ailment and write its causative agent.

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Human Health And Disease

Some More Questions From Human Health and Disease Chapter

What is the significance of ‘Typhoid Mary’ ?

Name the most infectious human common ailment and write its causative agent.

Out of four species of malaria which is most serious ?

Name the vector of malaria.

Write the causative agent of (i) amoebiasis and (ii) ascariasis.

Name the disease caused by Wuchereria bancrofti.

List three fungal genera which cause ringworm.

List two symptoms of ring worm.

Name the two wide spread diseases caused by Aedes mosquitoes.

Name the primary lymphoid organs.

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