Which of the following is a physiological barrier in innate immunity?

  • A
    Gastrointestinal tract
  • B
    Respiratory tract
  • C
    Saliva in the mouth
  • D
    Natural killer cells

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$A$: Many countries have banned the use of antibiotics in cattle feed.
$R$: Dairymen give antibiotics in the feed to cattle,and it becomes a breeding ground for antibiotic-resistant bacteria.

The triple antigen $DPT$ stands for .........

Match the following diseases with their causative organisms and select the correct option.
Column-$I$ (Disease) Column-$II$ (Causative Organism)
$(a)$ Typhoid $(i)$ Wuchereria
$(b)$ Pneumonia $(ii)$ Plasmodium
$(c)$ Filariasis $(iii)$ Salmonella
$(d)$ Malaria $(iv)$ Haemophilus

'Pathogens' are

What is health?

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