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

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

Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

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.

What are trophic levels? Give an example of a food chain and state the different trophic levels in it. -Biology

Description : What are trophic levels? Give an example of a food chain and state the different trophic levels in it. -Biology

Last Answer : Each step or level of the food chain forms a trophic level. Consider the following food chain:

What are trophic levels ? Give an example of food chain and state the different trophic levels in it. -Biology

Description : What are trophic levels ? Give an example of food chain and state the different trophic levels in it. -Biology

Last Answer : Trophic Levels : The various steps in a food chain at which the transfer of food (or energy) takes place are called trophic levels.Example : A food chain operating in a ... . Grasshopper represents second trophic level. Frog represents third trophic level. Eagle represents fourth tropic level.

How many trophic levels can monkeys occupy in a food chain?

Description : How many trophic levels can monkeys occupy in a food chain?

Last Answer : Monkeys can only occupy one which is the secondary consumer

he phenomenon of increase in the concentration of toxic substances at each trophic level in a food chain is called

Description : he phenomenon of increase in the concentration of toxic substances at each trophic level in a food chain is called

Last Answer : biomagnification.

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

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

The highest DDT concentration in aquatic food chain shall occur in (a) phytoplankton (b) seagull (c) crab (d) eel.

Description : The highest DDT concentration in aquatic food  chain shall occur in (a) phytoplankton (b) seagull (c) crab (d) eel.

Last Answer :  (b) seagull

The highest DDT concentration in aquatic food chain shall occur in (a) phytoplankton (b) seagull (c) crab (d) eel.

Description : The highest DDT concentration in aquatic food chain shall occur in (a) phytoplankton (b) seagull (c) crab (d) eel.

Last Answer : b) seagull

Percentage energy transferred to higher trophic level in food chain is

Description : Percentage energy transferred to higher trophic level in food chain is

Last Answer : Percentage energy transferred to higher trophic level in food chain is A. `1%` B. `10%` C. `90%` D. `100%`

Increase in concentration of the toxicant at successive trophic levels is known as:

Description : Increase in concentration of the toxicant at successive trophic levels is known as:

Last Answer : Increase in concentration of the toxicant at successive trophic levels is known as: ... C. Biotransformation D. Biogeochemical cycling.

Increase in concentration of the toxicant at successive trophic levels is known as:

Description : Increase in concentration of the toxicant at successive trophic levels is known as:

Last Answer : Increase in concentration of the toxicant at successive trophic levels is known as ... C. Eutrophication D. Accelerated 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

True statements about the aqueous humour: a. has a higher lactic acid concentration than in the plasma b. the glucose levels is lower than that of the plasma levels c. the ascorbic acid concentration is twice that of the plasma d. it contains the same concentration of protein as in the plasma e. the rate of formation is about 2.5ul/minute

Description : True statements about the aqueous humour: a. has a higher lactic acid concentration than in the plasma b. the glucose levels is lower than that of the plasma levels c. the ascorbic acid ... same concentration of protein as in the plasma e. the rate of formation is about 2.5ul/minute

Last Answer : has a higher lactic acid concentration than in the plasma

Consider the following statements concerning food chains. A. Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. B. Removal of most of the carnivores resulted in an increased population of deers. C. The length of food chains is generally limited to 3-4 trophic levels due to energy loss. D. The length of food chains may vary from 2 to 8 trophic levels. Which two of the above statements are correct? (a) A, D (b) A, B (c) B, C (d) C, D

Description : Consider the following statements concerning food chains. A. Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. B. Removal of most of the carnivores resulted in an increased population of deers. C. ... are correct? (a) A, D (b) A, B (c) B, C (d) C, D

Last Answer : (c) B, C

What is the difference between a trophic level and a food chain?

Description : What is the difference between a trophic level and a food chain?

Last Answer : A: A trophic level refers to the position of an organism in a food chain or web, while a food chain is a linear sequence of organisms through which energy and nutrients are transferred from one organism to another.

How many trophic level are these in the following food chain phytoplankton-shrimp-perch-pike-osprey?

Description : How many trophic level are these in the following food chain phytoplankton-shrimp-perch-pike-osprey?

Last Answer : Need answer

Energy transfer from one trophic level to other, in a food chain, is (a) 10% (b) 20% (c) 1% (d) 2%

Description : Energy transfer from one trophic level to other, in a food chain, is (a) 10% (b) 20% (c) 1% (d) 2%

Last Answer : (a) 10%

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

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

Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem? -Biology

Description : Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem? -Biology

Last Answer : Yes, the impact Of removing all the Organisms in a trophic level will be different for different trophic levels. It will not be possible to remove any organism in any trophic level without causing damage to the ecosystem.

Will the impact of removing all the organisms in a trophic level be different for different trophic levels ? Can the organisms of any trophic level be removed without causing any damage to the ecosystem ? -Biology

Description : Will the impact of removing all the organisms in a trophic level be different for different trophic levels ? Can the organisms of any trophic level be removed without causing any damage to the ecosystem ? -Biology

Last Answer : Yes, the impact of removing all the organisms in a trophic level will be different for different trophic levels. For example, on removing producers; herbivores would not be able to survive or ... to maintain the balance of the ecosystem the presence of organisms is necessary at each trophic level.

what is meant by trophic levels?

Description : what is meant by trophic levels?

Last Answer : answer

Trophic levels are formed by

Description : Trophic levels are formed by

Last Answer : Trophic levels are formed by A. Plants B. animals C. organisms linked in food chain D. carnivores

The amount of living material and nutrients present in different trophic levels and soils at any given time are called, respectively.

Description : The amount of living material and nutrients present in different trophic levels and soils at any given time are called, respectively.

Last Answer : The amount of living material and nutrients present in different trophic levels and soils at any ... and standing quality D. Biomass and standing crop

Different biomes have different animals and plants on the same trophic levels. 

Description : Different biomes have different animals and plants on the same trophic levels. 

Last Answer : Identify the correct correlation: A - Different biomes have different animals and plants on the same ... R is not the correct explanation of A.

If 575250 calories of energy are available at the first trophic level calculate the number of calories available to the second third fourth trophic levels?

Description : If 575250 calories of energy are available at the first trophic level calculate the number of calories available to the second third fourth trophic levels?

Last Answer : 2nd lvl - 57,5253rd lvl- 5,752.54th lvl- 575.25

Why are the numbers of trophic levels limited?

Description : Why are the numbers of trophic levels limited?

Last Answer : At each trophic level in a food chain, a large portion of theenergy is utilized for the maintenance of organisms which occur atthat trophic level and lost as heat. As a result of this, organismsin each trophic level pass on less and less energy to the nexttrophic levels, than they receive.

Why are the numbers of trophic levels limited?

Description : Why are the numbers of trophic levels limited?

Last Answer : At each trophic level in a food chain, a large portion of theenergy is utilized for the maintenance of organisms which occur atthat trophic level and lost as heat. As a result of this, organismsin each trophic level pass on less and less energy to the nexttrophic levels, than they receive.

Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers

Description : Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers

Last Answer : Autotrophs

Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers

Description : Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers

Last Answer : Autotrophs

Match the trophic levels with their correct species examples in grassland ecosystem. (A) Fourth trophic level (i) Crow (B) Second trophic level (ii) Vulture (C) First trophic level (iii) Rabbit (D) Third trophic level (iv) Grass Select the correct option. (A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (ii) (i) (iv) (c) (iv) (iii) (ii) (i) (d) (i) (ii) (iii) (iv)

Description : Match the trophic levels with their correct species examples in grassland ecosystem. (A) Fourth trophic level (i) Crow (B) Second trophic level (ii) Vulture (C) First trophic level (iii) Rabbit (D) Third trophic level (iv) Grass Select the ... i) (iv) (c) (iv) (iii) (ii) (i) (d) (i) (ii) (iii) (iv)

Last Answer : (a) (ii) (iii) (iv) (i)

Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time? (a) Sparrow (b) Lion (c) Goat (d) Frog

Description : Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time? (a) Sparrow (b) Lion (c) Goat (d) Frog

Last Answer : (a) Sparrow

What are the advantages of a human or another omnivore eating organisms that are lower rather than higher in the food chain?

Description : What are the advantages of a human or another omnivore eating organisms that are lower rather than higher in the food chain?

Last Answer : What is the answer ?

The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Description : The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Last Answer : (3) one organism to another Explanation: A food chain is a linear sequence of links in a food web starting from atrophic species that eats no other species in the web and ends at a ... linear monophagous pathways. A common metric used to quantify food web trophic structure is food chain length.

The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Description : The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Last Answer : one organism to another

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

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Description : Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Last Answer : (B) 42

Energy requirement for the maintenance of body with successively higher trophic level

Description : Energy requirement for the maintenance of body with successively higher trophic level

Last Answer : Energy requirement for the maintenance of body with successively higher trophic level A. Decreases B. Increases C. Remains same D. Is always 10%

80. many percent of energy transferred from one trophic level to the next higher level. a) 20% b) 10% c) 50% d) 100%

Description : 80. many percent of energy transferred from one trophic level to the next higher level. a) 20% b) 10% c) 50% d) 100%

Last Answer : 10%

Compared to a bull a bullock is docile because of (a) higher levels of cortisone (b) lower levels of blood testosterone (c) lower levels of adrenaline/noradrenaline in its blood (d) higher levels of thyroxine.

Description : Compared to a bull a bullock is docile because of (a) higher levels of cortisone (b) lower levels of blood testosterone (c) lower levels of adrenaline/noradrenaline in its blood (d) higher levels of thyroxine.

Last Answer : (b) lower levels of blood testosterone