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प्रश्न
Fill in the following blank with suitable word :
Grass → ........... → Human
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उत्तर
Grass → Goat → Human
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संबंधित प्रश्न
"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happens?
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?
What is biological magnification?
Write an aquatic food chain.
A food chain represents a unidirectional flow of X. What is X?
What is a trophic level?
Which of the following statement is incorrect?
The following is a food chain that ends with human :
plants → bee → human
Explain how plants provide food for bees.
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.
What would happen to the number of rabbits and grass plants if the number of foxes decreased?
What would happen to the number of grass plants and foxes if the number of rabbits decreased?
'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term damage to mankind'. Justify this statement.
A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
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 other organism you could write in place of bird in the above food chain?
Natural agents like ______ are the decomposition factors breaking complex forms into simpler units.
The sequence of who eats whom in an ecosystem is called as ______.
The food chain begins with the energy given by the ______.
Which 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
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.
Which statement is correct with respect to the food chain?
