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प्रश्न
Explain the terms 'producer' and 'consumer'. Give two examples of producers and two of consumers.
उत्तर
Organisms that produce their own food from simple inorganic substances such as water and carbon dioxide are called producers. Examples are green plants and blue-green algae.
Organisms that consume the food prepared by producers are called consumers. Examples are cows and human beings.
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संबंधित प्रश्न
Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat
What are the various steps of food chain called?
Define decomposers.
Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain
Write down a food chain with five links in it.
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?
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
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
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.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?
In a food chain grasshopper gets energy by eating frog.
