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

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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.

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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.

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

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

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.

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

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

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

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%`

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.

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.

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:

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.

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

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

Description : Assertion: Pyramid of energy may be upright or inverted. Reason :Only 20% of energy goes to next trophic level.

Last Answer : Assertion: Pyramid of energy may be upright or inverted. Reason :Only 20% of energy goes to next ... . D. If both assertion and reason are false.

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.

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

Last Answer : Need answer

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

Last Answer : biomagnification.

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%

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

Description : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity of all elements is negative

Last Answer : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity ... D. If both Assertion & Reason are false

Description : What will happen if we kill all the organisms in one trophic level? -Biology

Last Answer : If we kill all the organisms in one trophic level, then transfer of energy as well as matter to next higher level will stop. It will lead to over- population at one particular level ... individuals. This would seriously disturb the food chain and can cause the collapse of an ecosystem even.

Description : What will happen if we kill all the organisms in one trophic level ? -Biology

Last Answer : The food chain would end and ecological balance would be affected. If the herbivores are killed, then the carnivores would not be able to get food and would die. If carnivores are killed, ... unsustainable level. If producers are killed, then the nutrient cycle in that area would not be completed.

Description : Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?

Last Answer : Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? A. Frog B. Phytoplankton C. Fish D. Zooplankton

Description : Which one of the following statements for the pyramid of energy is incorrect ? (a) Its base is broad. (b) It shows energy content of different trophic level organisms. (c) It is inverted in shape. (d) It is upright in shape.

Last Answer : (c) It is inverted in shape.

Description : Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? (a) Fish (b) Zooplankton (c) Frog (d) Phytoplankton

Last Answer : (a) Fish

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)

Description : Assertion (A): Conserving our soil resources is critical to human survival. Reason (R): Soil is home to many micro-organisms and contains minerals. Choose the correct code: (A) Both (A) and (R) are correct and (R) is the ... (C) (A) is true and (R) is false. (D) (A) is false and (R) is true.

Last Answer : (A) Both (A) and (R) are correct and (R) is the correct explanation of (A).

Description : Assertion A: Basin walls have to be of much greater height than dock walls. Reason R: Tidal basins are subject to fluctuations of levels due to tidal variations Select your answer based on the coding system given below: (A ... of A (C) A is true but R is false (D) A is false but R is true

Last Answer : (A) Both A and R is true and R is the correct explanation of A

Description : Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value. A. Both A and R are true and R is the ... correct explanation of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A

Description : Assertion(A): High national income leads to better human Development Index Reason(R): Good health and education facilities depends on amount of money spent by govt on these facilities. a) Both A and R are true and R is ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.

Last Answer : d) A is wrong but R is correct.

Description : Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion: Fast decoupled load flow method gives approximate load flow solution because it uses several assumptions. Reason: Accuracy ... the correct reason for [a]. c) [a] is false and [r] is true.

Last Answer : c) [a] is false and [r] is true

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

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%

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%

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 ?

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.

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

Description : Assertion (A): The purpose of higher education is to promote critical and creative thinking abilities among students. Reason (R): These abilities ensure job placements. Choose the correct answer from the following code: (A) Both ... A) is true and (R) is false. (D) (A) is false and (R) is true.

Last Answer : (C) (A) is true and (R) is false. 

Description : Assertion:A network of food chain existing together in an ecosystem is known as food web. Reason: An animal like kite cannot be a part of a food web.

Last Answer : Assertion:A network of food chain existing together in an ecosystem is known as food web. Reason: An ... . D. If both assertion and reason are false.

Description : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are major decomposers in such food chains.

Last Answer : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are ... and Reason are false, then mark (4)

Description : what is meant by trophic levels?

Last Answer : answer

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.

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

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

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.

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.

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.

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

Last Answer : Autotrophs

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

Last Answer : Autotrophs

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