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प्रश्न
What will be the amount of energy available to the organisms of the 2nd trophic level of a food chain if the energy available at the first trophic level is 10,000 joules?
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उत्तर
On applying the 10% law to the food chain, the organisms of the 2nd trophic level of the food chain will have 1000 joules of energy.
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संबंधित प्रश्न
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
What is a trophic level?
What is a 'food web'? Show its formation.
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms are (i) predators, and (ii) prey?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
Match the terms given in column I with the terms given in column II and column III having the same meaning :
| Column I | Column II | Column III |
| (1) Secondary consumer | Herbivore | 1st trophic level |
| (2) Primary consume | Autotroph | 3rd trophic level |
| (3) Producer | Carnivore | 4th trophic level |
| (4) Tertiary consumer | Large carnivore | 2nd trophic level |
In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
In a food chain grasshopper gets energy by eating frog.
Analogy:
Primary Consumer: Goat, Cow:: Secondary Consumer: ______.
