Class 7 · Science · Hard level · 8 questions
Microorganisms & Decomposers: Apply It
The smallest living things, and the essential job they do for every ecosystem. In Class 7 Science the topic covers what a microorganism is, decomposers, microorganisms in a food web and useful microorganisms. This quiz is the hardest level, with Class 7 exam-style questions that mix the ideas together. 8 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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