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प्रश्न
The sea water contains water beetles, tadpole, fish and weeds.
Write a food chain comprising all the given organisms.
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उत्तर
Weeds→ Tadpole →Water beetle→ Fish
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संबंधित प्रश्न
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?
Write down a food chain with five links in it.
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
What is a food chain?
Give one example of a simple food chain.
The decomposers in an ecosystem ______.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
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?
Explain how harmful chemicals enter our bodies.
Will the levels of biological magnification be different at different levels of the ecosystem?
Explain why, a food chain usually cannot have more than three or four steps.
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
In the food chain given below, if the amount of energy available at fourth trophic level is 5 kJ, what was the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
(a) 500 kJ
(b) 50 kJ
(c) 5000 kJ
(d) 5 kJ
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
Most of the water surface of a lake is covered with algae. This algae is part of the food chain which also includes small fish, bird, larvae and big fish. Which of the following will obtain the maximum energy?
(a) big fish
(b) bird
(c) larvae
(d) small fish
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.
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
Which of the following is an autotroph?
