Tag: soil pollution
Questions Related to soil pollution
What type of poison is an ethylene dichloride?
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Stomach poison
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Contact poison
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Fumigant
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Biological control
Fumigants are volatile and poisonous substances used to kill insects, nematodes that damage stored foods or seeds, human dwellings, clothing, and nursery stock. Ethylene dichloride is used to treat open storage areas and as soil fumigants. It is a low-pressure compound which diffuses more slowly.
Endosulfan is a
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Herbicide
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Weedicide
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Rodenticide
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Pesticide
Nobel prize was awarded to Paul Muller, on the discovery of which of the following pesticides?
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Malathion
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Parathion
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Pyrethrum
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DDT
Paul Muller also known as Pauly Mueller was a Swiss chemist who received the 1948 Nobel prize in Physiology or Medicine for his 1939 discovery of insecticidal qualities and use of DDT in the control of vector diseases, such as malaria and yellow fever.
2, 4 - D is an effective
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Insecticide
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Herbicide
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Fungicide
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Rodenticide
2,4-D is one of the more useful herbicides. This herbicide is selective for broad leaf weeds. This makes it useful to control such weeds as dandelions, plantains, knotweed, pigweed, and many others. It is a systemic herbicide, which means that it is absorbed into the plant tissue and transported throughout the plant, including into the root system.
Which one is not matched?
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Organochlorine - DDT
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Pyrethroid - Atrazine
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Organophosphate - Malathion
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Carbamate - Carbofuran
Pyrethroids are a class of synthetic pesticides used widely in home insect - control products, including flea bombs, roach sprays, ant bait, flea - and - tick pet shampoos, and lice shampoos. Examples of pyrethroid pesticides include: cypermethrin, permethrin, deltamethrin, bifenthrin, and cyfluthrin.
Baygon contains
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Malathion
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Propoxur
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Carbofuran
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Aldicarb
Propoxur is a nonfood carbamate insecticide, marketed under the registered trademark name 'Baygon'. It is used to control cockroaches, flies, mosquitoes and lawn and turf insects.
Which of the following pesticides is employed widely in antimalarial programmes?
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Aldrin
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Malathion
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BHC
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None
What is the main problem caused by the use of pesticides?
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Their residues persists in water and other components of the environment.
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Mosquitoes have become resistant to DDT.
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They kill silkworm.
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They deform the gills of some fishes.
The pesticide used in foundations of buildings for preventing termite attack is
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DDT
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BHC
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Aldrin
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Endosulfan
Aldrin is a pesticide used to control soil insects such as termites, corn rootworm, wireworms, rice water weevil and grasshoppers. It has been widely used to protect crops such as corn and potatoe and has been effective to protect wooden structures from termites.
Which pesticide is a herbicide?
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Malathion
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Lindane
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BHC
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$2, 4$-D
2,4-D (2,4-Dichlorophenoxyacetic acid) is a systemic herbicide that affects the specifically acts on the dicot weeds. It is used in the crop field of cereals to wipe out the weeds without affecting the monocot cereals.