Biomagnification of DDT causes decline in bird population by:

Biomagnification of DDT causes decline in bird population by:
by

1 Answer

Answer :

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

1. Bird population is seen to decrease due to thinning of egg shells which is caused by : a) Eutrophication b) Biomagnification c) Greenhouse Effect d) Ozone depletion

Description : 1. Bird population is seen to decrease due to thinning of egg shells which is caused by : a) Eutrophication b) Biomagnification c) Greenhouse Effect d) Ozone depletion

Last Answer : d) Ozone depletion

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

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

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

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

DDT residues are rapidly passed through food chain causing biomagnification because DDT is (a) moderately toxic (b) non-toxic to aquatic animals (c) water soluble (d) lipo soluble.

Description : DDT residues are rapidly passed through food chain  causing biomagnification because DDT is (a) moderately toxic (b) non-toxic to aquatic animals (c) water soluble (d) lipo soluble.

Last Answer : (d) lipo soluble.

DDT residues are rapidly passed through food chain causing biomagnification because DDT is (a) moderately toxic (b) non-toxic to aquatic animals (c) water soluble (d) lipo soluble.

Description : DDT residues are rapidly passed through food chain causing biomagnification because DDT is (a) moderately toxic (b) non-toxic to aquatic animals (c) water soluble (d) lipo soluble.

Last Answer : (d) lipo soluble.

10.Biomagnification of DDT in an aquatic food chain staring from water having conc.of 0.003ppb may go in fish eating birds upto

Description : 10.Biomagnification of DDT in an aquatic food chain staring from water having conc.of 0.003ppb may go in fish eating birds upto (a)2ppm (b)25ppm (c)50ppm (d)100ppm

Last Answer : ANS.(B) 25ppm

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.

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

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

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)

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.

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.

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

Description : 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

Last Answer : Cobras were feeding exclusively on birds

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.

Spraying of DDT on crops causes pollution of ______. (1) Air & Soil (2) Crops & Air (3) Soil & Water (4) Air & Water

Description : Spraying of DDT on crops causes pollution of ______. (1) Air & Soil (2) Crops & Air (3) Soil & Water (4) Air & Water

Last Answer : (3) Soil & Water Explanation: DDT is a persistent organic pollutant that is readily adsorbed to soils and sediments, which can act both as sinks and as long-term sources of exposure ... the ground water system which contaminates the entire food chain by severely affecting humans dependent on these.

Spraying of DDT on crops causes pollution of __________ (1) Air & Soil (2) Crops & Air (3) Soil & Water (4) Air & Water

Description : Spraying of DDT on crops causes pollution of __________ (1) Air & Soil (2) Crops & Air (3) Soil & Water (4) Air & Water

Last Answer : Soil & Water

Do you think the Monarch butterfly's population increase in the past two years signals a permanent reversal of their decline?

Description : Do you think the Monarch butterfly's population increase in the past two years signals a permanent reversal of their decline?

Last Answer : answer:Way to early to tell, the population is still below 20% of what can be considered normal. I would not ascribe the small rebound as related to climate change, but more likely to a reduction in neonicotinoid use.

What is your reaction when anti-gay activists say that homosexuality will lead to population decline?

Description : What is your reaction when anti-gay activists say that homosexuality will lead to population decline?

Last Answer : Laugh was my first thought too. Seriously, get a real agenda.

“Conservation of rapid decline in wildlife population and forestry has become essential.” Explain. -SST 10th

Description : “Conservation of rapid decline in wildlife population and forestry has become essential.” Explain. -SST 10th

Last Answer : (i) Loss of cultural diversity : The loss of forest and wildlife is not just a biological issue but it is also correlated with cultural diversity. There are many forests-dependent communities, which ... , over 26,200 sq. km of forest areas were converted into agricultural lands all over India.

Cause of decline in population of reptiles and birds is

Description : Cause of decline in population of reptiles and birds is

Last Answer : Cause of decline in population of reptiles and birds is A. Bioinsecticides B. Biofertilizers C. DDT D. Both A and B

Who Besides being killed in battle what was another reason for the decline in the Indian population after European colonist arrived in Latin America?

Description : Who Besides being killed in battle what was another reason for the decline in the Indian population after European colonist arrived in Latin America?

Last Answer : Need answer

Is acid rain causing a decline of frog population?

Description : Is acid rain causing a decline of frog population?

Last Answer : yes because it kills the HP in there skin

Why did the Indian population decline with the arrival of europeans?

Description : Why did the Indian population decline with the arrival of europeans?

Last Answer : What is the answer ?

Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.

Description : Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.

Last Answer : (d) alien species invasion.

Which one of these statements is correct? A. There is a slow decline in digital budgets with an average reduction of 10% in digital marketing budget. B. 98% of marketers affirm that offline and online marketing are merging C. Online marketing professionals are paid 50% less than marketing professionals. D. Around 25% of the global population is now on the Internet.

Description : Which one of these statements is correct? A. There is a slow decline in digital budgets with an average reduction of 10% in digital marketing budget. B. 98% of marketers affirm that offline ... 50% less than marketing professionals. D. Around 25% of the global population is now on the Internet.

Last Answer : B. 98% of marketers affirm that offline and online marketing are merging

Which one of these statements is correct? A. There is a slow decline in digital budgets with an average reduction of 10% in digital marketing budget. B. 98% of marketers affirm that offline and online marketing are merging C. Online marketing professionals are paid 50% less than marketing professionals. D. Around 25% of the global population is now on the Internet

Description : Which one of these statements is correct? A. There is a slow decline in digital budgets with an average reduction of 10% in digital marketing budget. B. 98% of marketers affirm that offline ... 50% less than marketing professionals. D. Around 25% of the global population is now on the Internet

Last Answer : B. 98% of marketers affirm that offline and online marketing are merging

What is biomagnification?

Description : What is biomagnification?

Last Answer : Biomagnification is the process by which pollutants become more concentrated as they move up the food chain, and is an important concept in environmental science and toxicology.

What is biomagnification?

Description : What is biomagnification?

Last Answer : A: Biomagnification is the process by which the concentration of a pollutant or toxin increases as it moves up the food chain, often leading to harmful effects in top predators.

What is Biomagnification ?

Description : What is Biomagnification ?

Last Answer : Biomagnification Simply put, the activities that pollute the environment around us are the result of the animals around us eating the toxins. When we hunt and eat that animal, the toxins are entering our ... eat the polluted water. After that we will eat those fish again. This will make us sick.

If a water body is contaminated with toxicant , its biomagnification will be more marked in

Description : If a water body is contaminated with toxicant , its biomagnification will be more marked in

Last Answer : If a water body is contaminated with toxicant , its biomagnification will be more marked in A. Plankton B. Small fish C. Birds D. Water

Biomagnification is highest in

Description : Biomagnification is highest in

Last Answer : Biomagnification is highest in A. Primary consumers B. Secondary consumer C. Producers D. Consumers.

The term biomagnification refers to:

Description : The term biomagnification refers to:

Last Answer : The term biomagnification refers to: A. Rapid growth growth to excessive intake of nutrients B ... pollutants as they pass through food chain.

Algal bloom results from – (1) Global warming (2) Salination (3) Eutrophication (4) Biomagnification

Description : Algal bloom results from – (1) Global warming (2) Salination (3) Eutrophication (4) Biomagnification

Last Answer : (3) Eutrophication Explanation: An algal bloom is a rapid increase or accumulation in the population of algae in freshwater or marine water systems, and are recognized by the discoloration in the ... body with nutrients, usually with an excess amount of nutrients. This is known as eutrophication.

Increase in concentration of the toxicant at successive trophic levels is known as (a) biotransformation (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Description : Increase in concentration of the toxicant at  successive trophic levels is known as (a) biotransformation  (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Last Answer : (c) biomagnification

Increase in concentration of the toxicant at successive trophic levels is known as (a) biotransformation (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Description : Increase in concentration of the toxicant at successive trophic levels is known as (a) biotransformation (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Last Answer : (c) biomagnification

Breeding of crops with high levels of minerals, vitamins and proteins is called (a) somatic hybridisation (b) biofortification (c) biomagnification (d) micropropagation.

Description : Breeding of crops with high levels of minerals, vitamins and proteins is called (a) somatic hybridisation (b) biofortification (c) biomagnification (d) micropropagation.

Last Answer : (b) biofortification

Pheretima posthuma is highly useful as (a) their burrows make the soil loose (b) they make the soil porous, leave their castings and take organic debris in the soil (c) they are used as fish meal (d) they kill the birds due to biomagnification of chlorinated hydrocarbons.

Description : Pheretima posthuma is highly useful as (a) their burrows make the soil loose (b) they make the soil porous, leave their castings and take organic debris in the soil (c) they are used as fish meal (d) they kill the birds due to biomagnification of chlorinated hydrocarbons.

Last Answer : (b) they make the soil porous, leave their castings and take organic debris in the soil

Which of the following exhibits Biomagnification?

Description : 5 Which of the following exhibits Biomagnification? a. SO2 b. mercury c. DDT d. both b and c

Last Answer : Ans. d both b and c

Algal bloom results in a) Global warming b) Salination c) Eutrophication d) Biomagnification

Description : Algal bloom results in a) Global warming b) Salination c) Eutrophication d) Biomagnification

Last Answer : c) Eutrophication

Biomagnification means increase in the (A) concentration of pollutants in living organisms (B) number of species (C) size of living organisms (D) biomass

Description : Biomagnification means increase in the (A) concentration of pollutants in living organisms (B) number of species (C) size of living organisms (D) biomass 

Last Answer : (A) concentration of pollutants in living organisms 

Algal bloom results from (1) Global warming (2) Salination (3) Eutrophication (4) Biomagnification

Description : Algal bloom results from (1) Global warming (2) Salination (3) Eutrophication (4) Biomagnification

Last Answer : Eutrophication 

Which of the following metals contribute to to biomagnification problem in the ecosystem ? (1) Mercury (2) Chromium (4) Copper (4) Lead

Description : Which of the following metals contribute to to biomagnification problem in the ecosystem ? (1) Mercury (2) Chromium (4) Copper (4) Lead

Last Answer : Mercury

Explain any three causes which led to the decline of Indian cotton textiles in the early nineteenth century. -SST 10th

Description : Explain any three causes which led to the decline of Indian cotton textiles in the early nineteenth century. -SST 10th

Last Answer : (i) The British cotton manufacture began to expand. (ii) British manufacturers pressurized the Government to restrict cotton imports. (iii) Manufacturers began to search the overseas markets for selling ... in the share of the textile. (vi) Tariffs were imposed on cloth imports into Britain.

What are some major causes of rural decline in Mexico?

Description : What are some major causes of rural decline in Mexico?

Last Answer : Need answer

A small number of finches live in a protected bird area. They are given as much food as they need and have plenty of space. Why would natural selection not occur in this population?

Description : A small number of finches live in a protected bird area. They are given as much food as they need and have plenty of space. Why would natural selection not occur in this population?

Last Answer : There is no need for it to occur. Only if the environmentchanges and less food is found would there be a change. Theenvironment selects the birds that do the best under the newconditions and the others will die.

Soil erosion can be prevented by – (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Description : Soil erosion can be prevented by – (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Last Answer : (2) Afforestation Explanation: Soil erosion takes place when the soil is blown away by the wind or washed away by the rain. Afforestation or planting trees can check soil erosion as roots of trees/ ... planted their roots don't allow the soil to be blown or washed away and prevent soil erosion.

Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Description : Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Last Answer : Afforestation