Q6. Which of the following correctly describes the movement of energy in an ecosystem?
- A. It is cyclic
- B. It is unidirectional
- C. It is constant at all trophic levels
- D. It increases with higher trophic levels
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Sign In FreeWhich of the following is a major difference between a grazing food chain and a detritus food chain?
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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, Difference, Detritus, Organisms, Considered, and Producers.
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Which of the following is a major difference between a grazing food chain and a detritus food chain?
Grazing food chains start with living plants, while detritus food chains start with dead organic matter
Detritus food chains do not have consumers
Grazing food chains do not involve energy flow
Only detritus food chains involve decomposers
Which of the following organisms are NOT considered primary producers?
Phytoplankton
Algae
Zooplankton
Higher plants
Which of the following statements about decomposers is correct?
Decomposers fix atmospheric nitrogen
Decomposers recycle nutrients into the ecosystem
Decomposers are primary producers
Decomposers consume only living organisms
Which of the following statements about ecological pyramids is incorrect?
The pyramid of energy is always upright
The pyramid of biomass can be inverted in an aquatic ecosystem
The pyramid of numbers is always upright
Ecological pyramids do not account for food webs
Which of the following statements about food chains is incorrect?
Energy transfer is always unidirectional
Food chains can exist independently without food webs
Each organism occupies a specific trophic level
Energy is lost at each step of the food chain
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