WB TET · Environmental Studies
Components of environment and their interrelation.
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Q1 · Our Environment · EASY
Which of the following is an example of interaction between the biotic and abiotic components of the environment?
Q2 · Our Environment · MEDIUM
In a pond ecosystem, algae produce food using sunlight, small fish eat the algae, and bigger fish eat the small fish. What role do algae play in this environment?
Q3 · Our Environment · MEDIUM
A farmer notices that after cutting down all the trees in his field, the soil has become dry and less fertile. Which component interaction of the environment explains this observation?
Q4 · Our Environment · HARD
Which of the following statements best describes the role of decomposers in maintaining the balance of an ecosystem?
Q5 · Our Environment · MEDIUM
Which of the following is a major cause of water pollution in rivers?