BPSC CCE Prelims
Immunity and Vaccination Previous Year Questions (PYQs)
Practice solved questions for Immunity and Vaccination with detailed step-by-step solutions, key insights, and trend analysis for BPSC CCE PRELIMS.
Solved Previous Year Questions
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When antigens are introduced in the body through vaccination antibodies are produced to fight off infection
Detailed Explanation:
B cells produce antibodies when antigens are introduced through vaccination.
T cells provide helper functions to activate B cells but do not produce antibodies themselves; only B cells differentiate into plasma cells that secrete antibodies.
Who was the first scientist/doctor, who attempted vaccination?
Detailed Explanation:
Edward Jenner performed the first successful vaccination in 1796 using cowpox material to immunize against smallpox, earning him the title Father of Immunology. Robert Koch discovered TB and cholera bacteria; Elie Metchnikoff pioneered immunity research; Joseph Lister introduced antiseptic surgery—none attempted the first vaccination. Therefore, Option 3 is the correct answer.
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