Answer :
He should look for small evidences of black droppings. So, the correct option is (D).
What is Pest infestation?
The presence of one or more pest species in an area or location where numbers and impacts are at potentially intolerable levels is known as Pest infestation. It is also defined as the destructiveness or sudden increase in population numbers of an insect species in a given area.
There are pests in the house because of food, moisture and shelter. The best way to keep them out is to deprive them of these things. The easiest thing to deprive them of is food.
The signs of Pest Infestation are:
- Droppings
- Footprints
- Damage to Property and Equipment
- Nests
- Foul or Unusual Odour
- Insects
Thus, he should look for small evidences of black droppings. So, the correct option is (D).
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