Question:
The immunity acquired by inoculation of living organism of attenuated virulence is:
The immunity acquired by inoculation of living organism of attenuated virulence is:
Updated On: Mar 5, 2026
- Natural passive immunity
- Passive immunity
- Artificial acquired immunity
- Natural active immunity
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The Correct Option is C
Solution and Explanation
The question is about identifying the type of immunity acquired through the inoculation of living organisms with attenuated virulence. This relates to the ways in which immunity is developed in the body through different mechanisms.
Let's analyze the given options:
- Natural passive immunity: This type of immunity is acquired naturally without the individual's immune system being activated. It usually occurs when antibodies are transferred passively, such as from mother to child through breast milk or placenta. This option is not correct as it involves natural transfer and not inoculation.
- Passive immunity: This involves the introduction of antibodies from an external source, rather than the individual's immune system producing them. This can be natural or artificial but does not involve inoculation of living organisms. Hence, this option is incorrect.
- Artificial acquired immunity: This is immunity gained through deliberate actions such as vaccination. Vaccines use attenuated (weakened) forms of pathogens to stimulate the immune system to develop immunity. This matches the description of the question where living organisms with attenuated virulence are used. Therefore, this is the correct answer.
- Natural active immunity: This is the immunity developed when an individual is exposed to the pathogen in the natural environment and their immune system actively creates antibodies. This does not involve inoculation with attenuated pathogens, so this option is incorrect.
In conclusion, the correct answer is Artificial acquired immunity, as it accurately describes the process where a weakened form of the microorganism is used to build immunity through vaccination.
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