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STD 12 - 7. human health and disease — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 7. human health and disease1 Mark
MCQ
‘First line of defence' is known as
  • A
    Antibodies
  • B
    WBC
  • ✓
    Skin
  • D
    Liver
✓

Answer

Correct option: C.
Skin
c
It’s obvious.
 

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