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List the Merits of Local Defence Systems. - Biology

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प्रश्न

List the merits of local defense systems.

टिप्पणी लिखिए

उत्तर

Merits of local defense systems:

  1. Local defence systems start working instantaneously.
  2. These systems are not dependent on previous exposure to infections.
  3. They are effective against a wide range of potentially infectious agents. 
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अध्याय 17: Aids to Health - Short answer trype [पृष्ठ १७५]

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सेलिना Concise Biology [English] Class 9 ICSE
अध्याय 17 Aids to Health
Short answer trype | Q 8 | पृष्ठ १७५
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