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प्रश्न
Fill in the following blank with suitable word :
Decomposer organisms are..........in their action.
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उत्तर
Decomposer organisms are specific in their action.
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संबंधित प्रश्न
Why are green plants called producers?
Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?
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
What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?
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?
Write down a food chain in the sea.
Which of the following are decomposers of dead organisms?
| Bacteria | Fungi | Viruses |
| (a) no | yes | yes |
| (b) yes | no | yes |
| (c) yes | yes | no |
| (d) yes | yes | yes |
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
The sea water contains water beetles, tadpole, fish and weeds.
Which organism is a secondary consumer?
What would happen to the number of grass plants and foxes if the number of rabbits increased?
Which common pesticide has accumulated in human body in considerable amounts?
Name and state the law given by Lindeman which tells us how much energy entering a particular trophic level of organisms is available for trasnsfer to the next higher trophic level.
"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.
The process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain is known as ______.
______ are organisms that are able to produce their own organic food.
Animals that eat both plants and animals are called as Carnivores.
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
Which of the following statements is correct?
