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प्रश्न
Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
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उत्तर
Trees and grass belong to the same trophic level as they are both producers.
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
List two important roles play in the environment by decomposers.
In the following food chain, plants provide 500 J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
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 :
Secondary consumers and tertiary consumers, both are carnivores.
Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following :
Frogs, Plants, Snakes, Hawk, Insects
Construct a short foodchain, ending with man.
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
Which of the following statement is incorrect?
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.
Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
The following statement is true or false :
Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level in a food chain.
Explain why, the flow of energy in the ecosystem is said to be unidirectional.
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 organism will have the maximum amount of pesticides accumulated through the food chain? What is this process known as?
Bacteria and fungi are called decomposers.
What would happen if an organism is removed from the food chain?
In a food chain grasshopper gets energy by eating frog.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
