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प्रश्न
Name one decomposer.
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उत्तर
Bacteria are decomposers.
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संबंधित प्रश्न
Why are green plants called producers?
Why are plants called producers?
What are planktons?
The following statement is true or false :
Secondary consumers and tertiary consumers, both are carnivores.
What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
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?
Construct a short foodchain, ending with man.
Give two differences between food chain and food web.
What is a 'food web'? Show its formation.
Which of the following statement is incorrect?
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 |
What is ten per cent law? Explain with an example.
In the food chain given below, if the amount of energy available at fourth trophic level is 5 kJ, what was the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
(a) 500 kJ
(b) 50 kJ
(c) 5000 kJ
(d) 5 kJ
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 ten per cent law is associated with
(a) transfer of energy from various trophic levels to decomposers in a food chain
(b) transfer of ATP energy into muscular energy
(c) transfer of chemical energy from one organism to another
(d) transfer of sun's energy to the organisms called producers.
What would happen if an organism is removed from the food chain?
Which of the following is a logical sequence of food chain?
Food chains are very important for the survival of most species.
If 10,000 J solar energy falls on green plants in a terrestrial ecosystem, what percentage of solar energy will be converted into food energy?
Which statement is correct with respect to the food chain?
