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प्रश्न
The decomposers in an ecosystem ______.
पर्याय
convert inorganic material, to simpler forms
convert organic material to inorganic forms
convert inorganic materials into organic compounds
do not breakdown organic compounds
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उत्तर
The decomposers in an ecosystem convert organic material to inorganic forms.
APPEARS IN
संबंधित प्रश्न
State with reason any two possible consequences of elimination of decomposers from the Earth.
List two biotic components of a biosphere.
Explain the term ‘producer’.
Write down a food chain with five links in it.
At which trophic level a person is feeding when he is eating eggs.
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?
The following is a food chain that ends with human :
How does this food chain differ form a usual food chain involving human such as : plants → goat → human?
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.
| Some hunters are roaming in the plush green forest of Africa. They spot a deer and kill it. They decide to roast the deer there and then and eat it. When the hunters had just finished enjoying the feast of roasted deer, a lion attacks them. The lion kills one of the hunters and eats his flesh. |
- Write a food chain which provides food to the lion in this case.
- Which animal (other than deer) the lion could look for food if he did not get the hunter as prey?
- Which other animal in the forest could have been in place of lion?
- How does the above food chain differ from the food chain such as: plants → goat → man?
  |
Explain why, a food chain usually cannot have more than three or four steps.
What percentage of sun's energy falling on the leaves of green plants is utilised by the plants in the process of photosynthesis and stored as chemical energy of food?
(a) 99 per cent
(b) 10 per cent
(c) 1 per cent
(d) 20 per cent
Primary consumers that eat plants are called _______.
Bacteria and fungi are called decomposers.
What would happen if an organism is removed from the food chain?
What are autotrophs?
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
Which group of organisms are not constituents of a food chain?
- Grass, lion, rabbit, wolf
- Plankton, man, fish, grasshopper
- Wolf, grass, snake, tiger
- Frog, snake, eagle, grass, grasshopper
Which organism in the food chain Grass → Insects → Thrush → Sparrow Hawk is classified as a tertiary consumer?
In the food chain Grass → Insects → Thrush → Sparrow Hawk, where is most of the energy lost during the transfer from one trophic level to the next?
