Why did the United States ban the use of DDT?

Why did the United States ban the use of DDT?
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Why did the United States ban the use of DDT?
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1. By which method is the age of most ancient geological formations estimated? 2. Which tax is levied by the Union and collected and appropriated by the States? 3. Ban-Ki-Moon the Secretary general of UNO belongs to which country? 4. Which layer of the atmosphere provides ideal conditions for flying of jet aeroplanes? 5. In which state had Gautama Buddha had attained Mahaparinirvan?

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Agricultural use of DDT was banned in India during

Description : Agricultural use of DDT was banned in India during

Last Answer : Agricultural use of DDT was banned in India during A. 1962 B. 1972 C. 1974 D. 1989

Now-a-days use of DDT as insecticide is banned because

Description : Now-a-days use of DDT as insecticide is banned because

Last Answer : Now-a-days use of DDT as insecticide is banned because A. It is less effective than other pesticides ... is vary high D. It has long residual effect.

Has DDT saved more lives than any other chemical compound?

Description : Has DDT saved more lives than any other chemical compound?

Last Answer : Water is a chemical compound (H2O). I would have to put that ahead of DDT, any day.

What is the full form of 'DDT' ? -How To ?

Description : What is the full form of 'DDT' ? -How To ?

Last Answer : The full form of 'DDT' is Dichlore-diphenyl-trichlore-ethane

What is DDT ? What is the reaction of DDT in human body ?

Description : What is DDT ? What is the reaction of DDT in human body ?

Last Answer : DDT is dichloro diphenyl trichloroethane. It is a pesticide. Used to protect crops from pest infestation. DDT used as a pesticide can enter the human body and cause adverse reactions in the human ... that food can cause skin diseases. . The physical and mental development of the child is impaired

DDT was discovered in how many years ?

Description : DDT was discovered in how many years ?

Last Answer : DDT was discovered in 184 , but its use as a pesticide began in 1939.

What is DDT ?

Description : What is DDT ?

Last Answer : DDT is a household cleaning chemical whose full name is dichloro diphenyl trichloro ethane. One is basically a pesticide. When this toxin, which is soluble in lubricants (ie oils), is touched, the sodium channel of the insects becomes more open and paralysis occurs and the insects die.

Where is DDT used ?

Description : Where is DDT used ?

Last Answer : DDT is used in dry.

What is the full form of DDT ?

Last Answer : The full form of DDT is Dichloro Diphenyl Trichloro-Ethane

Who Discovered DDT ?

Last Answer : Discover DDT (Zidler)

Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong

Find the correct order of biomagnification of DDT in an aquatic food chain:

Description : Find the correct order of biomagnification of DDT in an aquatic food chain:

Last Answer : Find the correct order of biomagnification of DDT in an aquatic food chain: A. Water -0.003 ppm, zooplankton ... fish -0.04 ppm, large fish -2.5 ppm

In an area where DDT had been used extensively, the population of birds declined significantly because:

Description : In an area where DDT had been used extensively, the population of birds declined significantly because:

Last Answer : In an area where DDT had been used extensively, the population of birds declined significantly because: A. ... birds D. Many bird eggs did not hatch.

Biomagnification of DDT causes decline in bird population by:

Description : Biomagnification of DDT causes decline in bird population by:

Last Answer : Biomagnification of DDT causes decline in bird population by: A. Bringing disturbance in calcium methabolism ... breaking of eggs D. All the above

DDT residues are rapidly passed through food chain causing biomagnification because DDT is

Description : DDT residues are rapidly passed through food chain causing biomagnification because DDT is

Last Answer : DDT residues are rapidly passed through food chain causing biomagnification because DDT is A. Water ... C. Liposoluble D. Nontoxic to aquatic animals

Which is correct about statements X and Y statement X. DDT shows biological magnification Statement Y : UV radiations causes ozone depletion .

Description : Which is correct about statements X and Y statement X. DDT shows biological magnification Statement Y : UV radiations causes ozone depletion .

Last Answer : Which is correct about statements X and Y statement X. DDT shows biological magnification Statement Y : UV ... D. X is not correct, Y is correct.

Biomagnification of DDT in an aquatic food chain starting from water having a concentration of 0.003 ppb may go, in fish eating birds, upto:

Description : Biomagnification of DDT in an aquatic food chain starting from water having a concentration of 0.003 ppb may go, in fish eating birds, upto:

Last Answer : Biomagnification of DDT in an aquatic food chain starting from water having a concentration of 0.003 ppb may go, in ... B. 50 ppm C. 25 ppm D. 2 ppm

Process by which insecticides like DDT reach man is

Description : Process by which insecticides like DDT reach man is

Last Answer : Process by which insecticides like DDT reach man is A. Bioaccumulation B. biomagnification C. Bioremediation D. Eutrophication.

Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.

Description : Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.

Last Answer : Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the ... but reason is wrong D. Both are wrong

What is DDT is

Description : What is DDT is

Last Answer : DDT is A. Organophosphates B. Organochlorine C. Carbonate D. Triazine

The concentration of DDT in the food chain, from lower to higher trophic levels:

Description : The concentration of DDT in the food chain, from lower to higher trophic levels:

Last Answer : The concentration of DDT in the food chain, from lower to higher trophic levels: A. ... Decreases C. Increases or decreases D. Remains constant

DDT has been a major pollutant because it

Description : DDT has been a major pollutant because it

Last Answer : DDT has been a major pollutant because it A. Kills aquatic animals B. Kills pests C. Destroy many valuable species D. Is nondegradable

DDT concentrartion recorded in human body has been

Description : DDT concentrartion recorded in human body has been

Last Answer : DDT concentrartion recorded in human body has been A. 0.3-0.7 ppm B. 1.3-3.1 ppm C. 13-31 ppm D. 30-70 ppm .

The concentration of DDT in the food chain, from lower to higher trophic levels:

Description : The concentration of DDT in the food chain, from lower to higher trophic levels:

Last Answer : The concentration of DDT in the food chain, from lower to higher trophic levels: A. Remain same B. Decreases in glaciers C. Increases D. Unpredictable

What is `DDT` is

Description : What is `DDT` is

Last Answer : `DDT` is A. Biodegradable pollutants B. Nondegradable pollutants C. not a pollutants D. An antiobiotic

Spraying of `DDT` produce pollution of the type:

Description : Spraying of `DDT` produce pollution of the type:

Last Answer : Spraying of `DDT` produce pollution of the type: A. Air and water B. Air and soil C. Crops and air D. Soil and water.

Draback of DDT as pesticide is

Description : Draback of DDT as pesticide is

Last Answer : Draback of DDT as pesticide is A. It becomes ineffective after some time B. It is less effective ... /rapidly degraded in nature D. its high cost.

The highest DDT concentration in aquatic food chain shall occur in:

Description : The highest DDT concentration in aquatic food chain shall occur in:

Last Answer : The highest DDT concentration in aquatic food chain shall occur in: A. Phytoplankton B. Sea gull/birds C. Crab D. Eel

What is `DDT` is

Description : What is `DDT` is

Last Answer : `DDT` is A. green house gas B. degradable pollutant C. nondegradable pollutant D. None of the above

Spraying of `DDT` produce pollution of the type:

Description : Spraying of `DDT` produce pollution of the type:

Last Answer : Spraying of `DDT` produce pollution of the type: A. Air B. Air and water C. Air and soil D. Air, water and soil.

The biological amplification of DDT in the various trophic levels is known as

Description : The biological amplification of DDT in the various trophic levels is known as

Last Answer : The biological amplification of DDT in the various trophic levels is known as A. Green house ... B. biomagnification C. Eutrophication D. Pollution.

In an area where DDT had been used extensively, the population of birds declined significantly because:

Description : In an area where DDT had been used extensively, the population of birds declined significantly because:

Last Answer : In an area where DDT had been used extensively, the population of birds declined significantly ... eggs D. Earthworms in the area got eradicated

DDT residues are rapidly passed through food chain causing biomagnification because DDT is

Description : DDT residues are rapidly passed through food chain causing biomagnification because DDT is

Last Answer : DDT residues are rapidly passed through food chain causing biomagnification because DDT is A. Water ... toxic D. Non-toxic to aquatic animals

Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b

Description : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b

Last Answer : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of ... and Reason are false, then mark (4).

Maximum DDT is present in birds feeding on

Description : Maximum DDT is present in birds feeding on

Last Answer : Maximum DDT is present in birds feeding on A. Fishes B. Meat C. Insects D. Seeds

The concentration of DDT is the highest in

Description : The concentration of DDT is the highest in

Last Answer : The concentration of DDT is the highest in A. Primary consumer B. Producers C. Top consumer D. Decomposers

If a lake is contaminated with DDt, its highest concentration would be found in-

Description : If a lake is contaminated with DDt, its highest concentration would be found in-

Last Answer : If a lake is contaminated with DDt, its highest concentration would be found in- A. Primary ... consumer C. Tertiary consumer D. None of these

Spraying of DDT produces pollution of

Description : Spraying of DDT produces pollution of

Last Answer : Spraying of DDT produces pollution of A. Air only B. Air and soil only C. Air, soil, and water D. Air and water only

In an area where DDT had been used extensively, the population of birds declined significantly because:

Description : In an area where DDT had been used extensively, the population of birds declined significantly because:

Last Answer : In an area where DDT had been used extensively, the population of birds declined significantly because: ... did not hatch D. Birds stopped laying eggs

Why is DDT harmful to osprey?

Description : Why is DDT harmful to osprey?

Last Answer : Dichlorodiphenyltrichloroethane (DDT) is a pesticide that proved very harmful to the environment. It entered the food chain and even affected humans. It caused bird eggs to become thin shelled and brittle, with many eggs being crushed when the parent bird tried to sit on them in the nest.

'Blight' the disease of potato can be cured by (a) Dionine (b) Bordeaux mixture (c) Diathane (d) DDT

Description : 'Blight' the disease of potato can be cured by (a) Dionine (b) Bordeaux mixture (c) Diathane (d) DDT

Last Answer : Ans: (b)

First bionisecticide developed on commercial scale was: (a) Quinine (b) DDT (c) Organophosphates (d) Sporeine

Description : First bionisecticide developed on commercial scale was: (a) Quinine (b) DDT (c) Organophosphates (d) Sporeine

Last Answer : Ans. ((d))

In India it is found recently that incidence of Malaria is increasing because (a) The mosquitoes have become DDT resistant (b) Of poverty in villages (c) Of poor sanitary conditions (d) On account of increase in population it has become impossible to maintain cleanliness everywhere

Description : In India it is found recently that incidence of Malaria is increasing because (a) The mosquitoes have become DDT resistant (b) Of poverty in villages (c) Of poor sanitary conditions (d) On account of increase in population it has become impossible to maintain cleanliness everywhere

Last Answer : Ans:(a)

The substance that can be used as an explosive is (a) DDT (b) ozone (c) TNT (d) buckminsterfullerene

Description : The substance that can be used as an explosive is (a) DDT (b) ozone (c) TNT (d) buckminsterfullerene

Last Answer : Ans:(c)