Question
Differentiate between pathogens and pests. How does an insect-pest attack the plants?

Answer

Difference between:
PestsPathogen
It is a multicellular organism that causes harm in one way or anotherIt is a biological agent that causes a disease to its host.
They could be rats or spotted bollworms of cottonThey can be bacteria, fungi, virus, protists, and parasite.
Insect-pests attack the plants in three ways:
  1. They cut the root stem and leaves.
  2. They suck the cell sap from various parts of the plant.
  3. They bore into stem and fruits.

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