Fumigation
Fumigation
Fumigation:
It is a method by which insect pests are exposed to fumes or vapours of chemicals, without contaminating the stored food grain. It is a method of pest control or the removal of harmful micro-organisms by completely filling an area with gaseous pesticides or fumigant to suffocate or poison the pests within. It is used to control pests in buildings (structural fumigation), soil, grain, produce, and is also used during processing of goods to be imported or exported to prevent transfer of exotic organisms. This method also affects the structure itself; affecting pests that inhabit the physical structure, such as wood borers and drywood termites. Every fumigations lasts for a certain duration. This is because after spraying the pesticides, or fumigants, only the pests around are eradicated.
Chemicals which can exist in a gaseous state in sufficient concentration to be lethal against pests are called __________________ | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct : (a) Exposure to fumigation can occur thorough your eyes, mouth, or skin. (b) Inhalation is the most dangerous and common route of exposure to fumigants. (c) Fumigation is a method of pest control or the removal of harmful micro-organisms by completely filling an area with gaseous pesticides | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Fumigation is a method by which insect pests are exposed to fumes or vapours of chemicals, without contaminating the stored foodgrain. (b) Spraying is a method by which insect pests are exposed to fumes or vapours of chemicals, without contaminating the stored foodgrain. (c) The fumigated area ventilated so that the poisonous gases are allowed to escape from the space, rendering it safe for humans to enter. | |||
| Right Option : C | |||
| View Explanation | |||
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