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प्रश्न
If 5 joules of energy is available at producer level (plants), then how much energy will be transferred to the lion in the following food chain?
Plants → Goat → Lion
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उत्तर
The energy that will be transferred to the lion in the given food chain is 0.05 J.
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संबंधित 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?
Why are plants called producers?
Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat
Fill in the following blank with suitable word :
Decomposer organisms are..........in their action.
Write one or two word for the following statement/definition :
Organisms which depend on the producers for food either directly or indirectly
Give one example of a simple food chain.
Which of the following represents a possible food chain found in a pond :
| Primary producers |
Primary consumers | Secondary consumers |
| (a) green algae | fish | mosquito larvae |
| (b) fish | green algae | mosquito larvae |
| (c) mosquito larvae | fish | green algae |
| (d) green algae | mosquito larvae | fish |
Which of the following 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
In the figure given alongside, the various trophic levels are shown in the form of a pyramid. At which trophic level the maximum energy is available?
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms can trap solar energy to make food?
| The following is a food chain that ends with human: plants → bee → human |
- Explain how plants provide food for bees.
- How do bees provide food for humans?
- How does this food chain differ from a usual food chain involving human such as: plants → goat → human?
- Do you think that the food chain given in this question can really be regarded as a food chain? Explain your answer.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
If the energy available at the producer level in a food chain is 150 J, how much energy will be transferred to : tertiary consumer?
(a) 15 J
(b) 10 J
(c) 1.50 J
(d) 0.15 J
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?
Primary consumers that eat plants are called _______.
Give one example of a food chain in an aquatic ecosystem?
What would happen if an organism is removed from the 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?
The food chain begins with the energy given by the ______.
