Which one of the following statements best describes the role of B-cells and T-cells in the human body?

(a) They protect the body from environmental allergens.

(b) They alleviate the body's pain and inflammation.

(d) They protect the body from the diseases caused by pathogens.

APEDIA

UPSC Prelims

2022 • 05 Jun, 2022 • Paper-1

Which one of the following statements best describes the role of B-cells and T-cells in the human body?

Correct Answer

(d) They protect the body from the diseases caused by pathogens.

Biological Classification: Both B-cells and T-cells are highly specialized forms of white blood cells known fundamentally as lymphocytes.Immune System Function:......

💡 Analysis & Explanation

Biological Classification ▼

Both B-cells and T-cells are highly specialized forms of white blood cells known fundamentally as lymphocytes.

Immune System Function ▼

Together, they form the absolute core of the human body's complex adaptive immune system. B-cells are explicitly responsible for producing targeted antibodies that latch onto specific invading pathogens (viruses, bacteria), while T-cells actively destroy the infected host cells and heavily coordinate the overall immune response.

Conclusion ▼

Therefore, their primary, critical biological role is to actively protect the body from harmful diseases caused by these external, microscopic pathogens.

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Which one of the following statements best describes the role of B-cells and T-cells in the human body?