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प्रश्न
Fill in the following blank with suitable word :
Plants → Antelope → ............
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उत्तर
Plants → Antelope → Lion
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संबंधित प्रश्न
State with reason any two possible consequences of elimination of decomposers from the Earth.
"Energy flow in a food chain is unidirectional" Justify this statement.
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
What are the various steps of food chain called?
Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
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?
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name two zooplanktons.
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 |
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?
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.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?
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?
Write the importance of the food chain.
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.
Natural agents like ______ are the decomposition factors breaking complex forms into simpler units.
______ obtained energy from the chemical breakdown of dead organisms.
Animals that eat both plants and animals are called as Carnivores.
