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प्रश्न
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
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उत्तर
The cat in the food chain will have the maximum concentration of harmful chemicals in its body because it lies at the highest trophic level.
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संबंधित प्रश्न
Give reason to justify the following: The existence of decomposers is essential in a biosphere.
A food chain represents a unidirectional flow of X. What is X?
Name one decomposer.
What will happen if we kill all the organisms in one trophic level?
In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers
The decomposers in an ecosystem ______.
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
The following is a food chain that ends with human :
Do you think that the food chain given in this question can really be regarded as a food chain? Explain your answer.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name the organism which Y could be.
What would happen to the number of grass plants and foxes if the number of rabbits decreased?
Which common pesticide has accumulated in human body in considerable amounts?
Calculate the amount of energy that will be available to big fish in the following food chain, if 10,000 J of energy is available to small algae from the sun :
Small algae → Zooplankton → Fish → Big fish
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
A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
Which other organism you could write in place of bird in the above food chain?
Write the importance of the food chain.
______ obtained energy from the chemical breakdown of dead organisms.
What are autotrophs?
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
