DDT concentrartion recorded in human body has been

DDT concentrartion recorded in human body has been
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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 .
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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 ?

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

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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

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:

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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:

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In an area where DDT had been used extensively, the population of birds declined significantly because (a) birds stopped laying eggs (b) earthworms in the area got eradicated (c) cobras were feeding exclusively on birds (d) many of the birds eggs laid, did not hatch.

Description : In an area where DDT had been used extensively, the  population of birds declined significantly because (a) birds stopped laying eggs (b) earthworms in the area got eradicated (c) cobras were feeding exclusively on birds (d) many of the birds eggs laid, did not hatch.

Last Answer : (d) many of the birds eggs laid, did not hatch.

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Description : Which of the following pesticides has been banned in India ? (A) Rogor (B) DDT (C) Metasystox (D) Dimecron

Last Answer : (B) DDT

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Last Answer : C. Anticholinesterase

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Last Answer : C. Anticholinesterase

74. In an area where DDT had been used extensively, the population of birds declined significantly because (1) Many of the birds eggs laid, did not hatch (2) Birds stopped laying eggs (3) Earthworms in the area got eradicated (4) Cobras were feeding exclusively on birds

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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

Why did the United States ban the use of DDT?

Description : Why did the United States ban the use of DDT?

Last Answer : Why did the United States ban the use of DDT?

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 ?

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Who Discovered DDT ?

Last Answer : Discover DDT (Zidler)

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.

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:

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Biomagnification of DDT causes decline in bird population by:

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

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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

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

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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:

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Process by which insecticides like DDT reach man is

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

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What is DDT is

Description : What is DDT is

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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

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:

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What is `DDT` is

Description : What is `DDT` is

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Spraying of `DDT` produce pollution of the type:

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

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Draback of DDT as pesticide is

Description : Draback of DDT as pesticide is

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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:

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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.

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

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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-

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Spraying of DDT produces pollution of

Description : Spraying of DDT produces pollution of

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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)