Home
Class 9
BIOLOGY
Vectors can be defined as...

Vectors can be defined as

A

animals carry the infecting agents from sick person to another healthy person

B

Microorganisms which cause many diseases

C

infected person

D

diseased plants.

Text Solution

Verified by Experts

The correct Answer is:
A

a) Vectors or intermediate are animals insects that carry the infecting agents from a sick person to another healthy person. Mosquitoes (for malaria, filariasis, yellow fever and dengue), flies (typhoid, kala-azar, sleeping sickness), louse (typhus) and rat (for plague).
Promotional Banner

Topper's Solved these Questions

  • WHY DO WE FALL ILL

    NCERT EXEMPLAR ENGLISH|Exercise Short Answe Types Questions|11 Videos
  • WHY DO WE FALL ILL

    NCERT EXEMPLAR ENGLISH|Exercise Long Answer Type Questions|10 Videos
  • TISSUES

    NCERT EXEMPLAR ENGLISH|Exercise Long answer|9 Videos

Similar Questions

Explore conceptually related problems

Minute Volume of Respiration (MVR) in a person can be defined as

Homeostasis can be defined as

Cistron can be defined as :

Gene pool can be defined as

An order can be best defined as :-

A pollutant can best defined as it

The oxidation state of an element in a particular compound can be defined as

Absolute growth rate can be best defined as

If an element increases the growth rate of a plant, can it be defined as an essential element?

Assertion: The difference of two vectors A and B can be treated as the sum of two vectors. Subtraction of vectors can be defined in terms of addition of vectors.