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Standard VIII
Biology
Food Chains and Trophic Levels
All of the fo...
Question
All of the following organisms are correctly paired with their trophic level except
A
Tree- producer
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B
Hawk- primary consumer
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C
Fungi- detritivore
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D
Fox- secondary consumer
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E
Grasshopper- primary consumer
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Solution
The correct option is
C
Hawk- primary consumer
The tree is a producer. Producers are any kind of green plant. Green plants make their food by taking sunlight and using the energy to make sugar.
Hawk is a tertiary consumer which eats secondary consumers like hawks eat owls in a food chain.
Fungi is a detritivore. They are heterotrophs that obtain nutrients by consuming detritus.
Fox is a secondary consumer. They eat primary consumers. They are carnivores (meat-eaters) and omnivores (animals that eat both animals and plants).
Grasshopper is a primary consumer. They are animals that eat primary producers.
Therefore, the correct answer is option B.
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Similar questions
Q.
Match the trophic levels with their correct species names in grassland ecosystem and select the
correct
option.
Trophic levels
Species
(a)
Tertiary Consumer
(i)
Grass
(b)
Primary Consumer
(ii)
Crow
(c)
Producers
(iii)
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(d)
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(iv)
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Q.
Organisms are placed in different trophic levels according to how they obtain their energy. Select the primary consumer.
Q.
(a) What are producers, primary consumers, secondary consumers and tertiary consumers? Give one example of each.
(b) Write a food chain having four trophic levels. Mark the producer and various types of consumers in it.
Q.
(a) Match the terms given in column I with the terms given in column II and column III having the same meaning :
Column I
Column II
Column III
(i) Secondary consumer
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1st trophic level
(ii) Primary consumer
Autotroph
3rd trophic level
(iii) Producer
Carnivore
4th trophic level
(iv) Tertiary consumer
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(b) 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.
Q.
In a food chain, 1000 kJ is the energy in the green leaves at the producer level. They are consumed by primary consumers, who are then consumed by secondary consumers. How much energy will the secondary consumers obtain from the primary consumers?
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