Innate Immunity: Non-Specific Defense — NEET Biology
✅ Asked in NEET 2025Innate immunity is non-specific type of defence, that is present at the time of birth. This is accomplished by providing different types of barriers to the entry of the foreign agents into our body. Innate immunity consist of four types of barriers. These are:
Innate immunity is the body's first line of defense that you're born with—it's non-specific, meaning it acts against all pathogens equally without recognizing them specifically. NTA tests whether students understand that innate immunity works through physical, chemical, and biological barriers (skin, mucus, stomach acid, white blood cells) rather than antibodies. The common mistake is confusing innate immunity with adaptive immunity, which is specific and develops after exposure. Remember: innate = present at birth, non-specific, immediate response; adaptive = develops later, specific, learned response. This distinction is fundamental to understanding how your body fights infection.
This paragraph was tested 2 times in NEET.
Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?
Select the incorrect statement with respect to acquired immunity. (NEET 2022)
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