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प्रश्न
Construct a long food chain.
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उत्तर
Phytoplankton (algae) →Zooplankton (protozoa)→Small fish→ Big fish→Man.
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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?
Which of the following are always at the second tropic level of food chains?
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?
Explain the terms 'producer' and 'consumer'. Give two examples of producers and two of consumers.
Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain
Write a common food chain of a pond ecosystem having four links.
Write one or two word for the following statement/definition :
Organisms which depend on the producers for food either directly or indirectly
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
Name the organism which Y could be.
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 |
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.
Write the food chain comprising all the organisms mentioned above.
Bacteria and fungi are called decomposers.
Arrange the following in a correct sequence and form a food chain
Rabbit → Carrot → Eagle → Snake
Write the importance of the food chain.
Give some examples for Biodegradable and Non-biodegradable waste.
| S. No. | Biodegradable waste | Non-biodegradable waste |
| 1. | Food Waste | Plastic Bottles |
| 2. | ||
| 3. | ||
| 4. | ||
| 5. |
Which of the following is a logical sequence of food chain?
Observe the food web and answer the questions given below:
Why do all food chains start with plants?
In a food chain, the third trophic level is always occupied by
Which of the following statements is correct?
