NEET Biology: Ecosystem — MCQ Test 2

Q6. Which organisms play a crucial role in the decomposition of organic matter?

Q7. Which of the following is an example of an inverted pyramid of number?

Q8. Which of the following correctly defines "standing crop" in an ecosystem?

Q9. Which of the following statements about the role of producers in an ecosystem is correct?

Q10. Which ecological concept explains the loss of energy at each trophic level?

NEET Biology — Ecosystem

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Which of the following statements about the flow of energy in an ecosystem is correct?

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About this NEET MCQ Test

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.

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Key concepts covered in this specific test include Following, Statements, Ecosystem, Formation, Important, and Ecological.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which of the following statements about the flow of energy in an ecosystem is correct?

  • A. Energy flows in a cyclic manner
  • B. Energy is fully transferred between trophic levels
  • C. Energy is lost as heat at each trophic level
  • D. Producers receive energy from herbivores

Q2. Which process leads to the formation of humus?

  • A. Leaching
  • B. Fragmentation
  • C. Humification
  • D. Mineralization

Q3. Which of the following is the most important source of energy in an ecosystem?

  • A. Chemical energy
  • B. Solar energy
  • C. Geothermal energy
  • D. Energy from decomposers

Q4. Which of the following statements about ecological pyramids is incorrect?

  • A. Pyramids of energy are always upright
  • B. Pyramids of biomass are always upright
  • C. Pyramids of numbers can be inverted
  • D. Pyramids represent trophic structure in ecosystems

Q5. Which factor determines the stratification of an ecosystem?

  • A. Availability of light
  • B. Species composition
  • C. Vertical distribution of organisms
  • D. Energy flow rate

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