Q6. Which of the following is a correct statement about food webs?
- A. Food webs consist of multiple interconnected food chains
- B. Food webs exclude decomposers
- C. Food webs do not show energy transfer
- D. Food webs make ecosystems less stable
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This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Ecosystem. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.
Key concepts covered in this specific test include Following, Statement, Biological, Magnification, Statements, and Decomposers.
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Which of the following is a correct statement about biological magnification?
Toxins decrease at higher trophic levels
Toxins accumulate and increase in concentration at higher trophic levels
Biological magnification does not affect top predators
It has no relation to human activities
Which of the following statements about decomposers is correct?
Decomposers fix atmospheric nitrogen
Decomposers break down dead organisms and recycle nutrients
Decomposers consume only living organisms
Decomposers do not contribute to soil fertility
Which of the following is an example of a secondary consumer in an aquatic food chain?
Phytoplankton
Zooplankton
Small fish
Shark
Which process in an ecosystem is responsible for the release of nutrients into the soil?
Photosynthesis
Decomposition
Respiration
Transpiration
Which of the following best describes secondary productivity?
Rate of energy storage in plants
Rate of organic matter formation by consumers
Amount of energy lost in the atmosphere
Total biomass present in an ecosystem
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