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प्रश्न
Write one or two word for the following statement/definition :
Organisms which depend on the producers for food either directly or indirectly
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उत्तर
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संबंधित प्रश्न
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
In the following food chain, plants provide 500 J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
The following statement is true or false :
In biology, human beings are called producers.
Which category of organisms forms the starting point of a food chain?
Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
Fill in the following blank with suitable word :
Decomposer organisms are..........in their action.
What is the role of decomposers in the ecosystem?
In a food chain, the initial organism is usually :
(a) photosynthetic
(b) herbivore
(c) saprophytic
(d) parasitic
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
Which of the following statement is incorrect?
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms in the food chain are herbivore, and carnivores?
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
Fill in the following blank with suitable word :
Pesticides enter the food chain at the ...........level
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
A food chain comprises of cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be :
(a) cat
(b) plants
(c) dog
(d) seed-eating bird
Arrange the following in a correct sequence and form a food chain
Rabbit → Carrot → Eagle → Snake
______ are organisms that are able to produce their own organic food.
Which statement is correct with respect to the food chain?
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
