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प्रश्न
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
विकल्प
The population of tiger increases
The population of grass decreases
Tiger will start eating grass
The population of tiger decreases and the population of grass increases.
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उत्तर
The population of tigers decreases and the density of grass increases.
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संबंधित प्रश्न
Which of the following constitute a food-chain?
What will happen if we kill all the organisms in one trophic level?
Name one decomposer.
Write down a food chain with five links in it.
Give one example of a simple food chain.
One of the following is not a consumer. This one is :
(a) giraffe
(b) antelope
(c) algae
(d) alligator
One of the following is a micro-consumer. This one is :
(a) ant
(b) lice
(c) fungi
(d) mosquito
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
What could be X?
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 :
Grass → ........... → Human
Explain why, a food chain usually cannot have more than three or four steps.
How much energy will be available to hawks in the food chain comprising hawk, snake, paddy and mice, if 10,000 J of energy is available to paddy from the sun?
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 are decomposers? What will be the consequence if the decomposers are completely eradicated from an ecosystem? Give justification in support of your answer.
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
In an ecosystem, herbivores represent ______.
Food chains are very important for the survival of most species.

Matter and energy are two fundamental inputs of an ecosystem. Movement of:
______ are organisms that are able to produce their own organic food.
In a food chain grasshopper gets energy by eating frog.
Which statement is correct with respect to the food chain?
