Vectors can be defined as

  • A
    microorganisms which cause many diseases
  • B
    animals that carry the infecting agents from a sick person to another healthy person
  • C
    an infected person
  • D
    diseased plants

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Similar Questions

What are the symptoms shown by a person if
$(i)$ Lungs get infected?
$(ii)$ Stomach is infected?

Give two examples for each of the following:
$(a)$ Acute diseases
$(b)$ Chronic diseases
$(c)$ Infectious diseases
$(d)$ Non-infectious diseases

If you live in an overcrowded and poorly ventilated house,it is possible that you may suffer from which of the following diseases?

Why do some children fall ill more frequently than others living in the same locality?

What do you mean by disease symptoms? Explain by giving two examples.

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