Yes, thats how they kill off bugs. Small quantities would not harm us (eg: on fruit and veg), but if we drunk large quantities, it would make us very ill.
Yes
insecticides help farmers to eliminate harmful insects. Most are poisonous but some are concentrated in the food chain.
Some insecticides are just as toxic to humans as they are to insects. Typically, it just takes a larger exposure to affect a human. However, some insecticides can be toxic even in small quantities. Insecticides such as malathion or diazinon would be harmful to humans in much smaller quantities than insecticides derived from soaps or orange peels.
It is harmful because these can seep into the fruits and vegetables and then be consumed. They can also be left on hands and skin which can get into the body as well.
it uses more insecticides than any other crop that is grown
Spraying broad-range insecticides
On using biological controls such as pheromone traps, the possibility of development of resistance is avoided. Moreover, the bio insecticides are eco friendly ( using chemical insecticides causes alkalinity or acidity of the soil. )
Eating insecticides may cause food poisoning. Also insecticides lead to bio accumulation of those poisons in our body which may have many problems like sterility. There are many harmful effects of insecticide including death of plants. Animals can also get very sick or die if subjected to insecticide.
Piperonyl butoxide is added to insecticides, it is not toxic to insects in itself but prevents insects from breaking down and detoxifying other insecticides that are included in the mixture. This means that much less insecticide needs to be used. It is not known to be harmful to humans but is very toxic to fish.
Herbicides to control weeds, sometimes fungicides to control certain kinds of infections, and rarely insecticides to control harmful insects.
Insecticides are products of the chemical industry.
yes , i think insecticides are irritant substances