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प्रश्न
What will happen if we kill all the organisms in one trophic level?
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उत्तर
If we kill all the organisms in one trophic level, there will be no food for the organisms of the next trophic level, and they will die of starvation. Also, the organisms of the previous trophic levels will increase in number as there will be no organism to consume them as food.
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
In the following food chain, 20,000 J of energy was available to the plants. How much energy would be available to man in this chain?
Plants → Sheep → Man
The following statement is true or false :
In biology, human beings are called producers.
Which category of organisms forms the starting point of a food chain?
What are the various steps of food chain called?
Can the organisms of any trophic level be removed without causing any damage to the ecosystem? Will the impact of removing all the organisms in a trophic level be different for different trophic levels?
What would happen to the number of grass plants and foxes if the number of rabbits increased?
What would happen to the number of grass plants and foxes if the number of rabbits decreased?
Which of the following limits the number of trophic levels in a food chain?
(a) insufficient food supply from producer level
(b) decrease in energy at higher trophic levels
(c) increase in the number of organisms at higher trophic levels
(d) accumulation of harmful chemicals at higher trophic levels
A food chain comprises of cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be :
(a) cat
(b) plants
(c) dog
(d) seed-eating bird
An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish
The harmful chemical which is accumulating in human beings through food chain is :
(a) benzenehexachloride
(b) dichlorodiphenyltrichloroethane
(c) chlorofluorocarbon
(d) abscisic acid
"Energy flow in food chains is always unidirectional". Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.
Which of the following is a logical sequence of food chain?
______ are organisms that are able to produce their own organic food.
The sequence of who eats whom in an ecosystem is called as ______.
The food chain begins with the energy given by the ______.
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
