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  9. Q29

BPSC (Bihar PCS) 2023 · Question 29 of 150

How do vector vaccines work to provide immunity?

General Science

  1. ABy entering directly into the cells and enabling them to create spike proteins
  2. BBy introducing a weakened or inactivated virus into the body
  3. CBy directly attacking and destroying pathogens in the body
  4. DBy placing the virus in a modified version of a different virusCorrect

Answer: D. By placing the virus in a modified version of a different virus

Explanation

Vector vaccines use a harmless modified virus carrying nucleic acid of the disease-causing virus to build immunity.

Source: 69th BPSC Prelims 2023 (Set B)

← Q28View full paper (150 questions)Q30 →

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