Which group of organisms are not constituents of a food chain ? (i) Grass, lion, rabbit, wolf (ii) Plankton, man, fish, grasshopper (iii) Wolf, grass, snake, tiger (iv) Frog, snake, eagle, grass, grasshopper
A
(i) and (iii)
B
(iii) and (iv)
C
(ii) and (iii)
D
(i) and (iv)
Text Solution
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The correct Answer is:
C
The sequence of living organisms in a community in which one organism consumes another organism to transfer energy is called a food chain. Food chain (ii) is an aquatic food chain in which grasshopper cannot take part. The correct sequence is `"Plankton"to"Zooplankton"to"Fishes"to"Man"` In food chain (iii) wolf, snake and tiger are carnivores, there is no herbivore to eat grass. (i) is forest food chain `"Grass"to"Rabbit"to"Wolf"to"Lion"` Similarly (iv), is also food chain in a grassland. `"Grass"to"Grasshopper"to"Frog"to"Snake"to"Eagle"`
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