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प्रश्न
The following is a food chain that ends with human :
Do you think that the food chain given in this question can really be regarded as a food chain? Explain your answer.
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उत्तर
No, it cannot be regarded as a food chain, as humans do not consume bees directly but only consume the food made by them.
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संबंधित प्रश्न
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
The first trophic level in a food chain is always a green plant. Why ?
What will happen if we kill all the organisms in one trophic level?
At which trophic level a person is feeding when he is eating bread.
At which trophic level a person is feeding when he is eating apple.
Write a common food chain of a pond ecosystem having four links.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
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?
One of the following is not a consumer. This one is :
(a) giraffe
(b) antelope
(c) algae
(d) alligator
Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
Calculate the amount of energy that will be available to big fish in the following food chain, if 10,000 J of energy is available to small algae from the sun :
Small algae → Zooplankton → Fish → Big fish
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
Give one example of a food chain in an aquatic ecosystem?
Analogy:
Primary Consumer: Goat, Cow:: Secondary Consumer: ______.
What is Autotrophs?
DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.
