NEET Biology: Ecosystem — MCQ Test 13

Q6. Which of the following is NOT a part of decomposition?

Q7. Which of the following statements about food webs is incorrect?

Q8. Which of the following processes is involved in the breakdown of detritus into smaller particles?

Q9. Which of the following ecological pyramids is always upright?

Q10. Which process in an ecosystem is responsible for the release of inorganic nutrients into the soil?

NEET Biology — Ecosystem

Free MCQ Test 13 of 25

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Medium

Why does an energy pyramid never become inverted?

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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 Inverted, Following, Decreases, Decomposition, Describes, and Statements.

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. Why does an energy pyramid never become inverted?

  • A. Energy is destroyed at each trophic level
  • B. Energy is lost as heat at each transfer
  • C. Energy is fully transferred between trophic levels
  • D. Energy does not flow in ecosystems

Q2. Which of the following factors decreases the rate of decomposition?

  • A. Warm temperature and high moisture
  • B. Rich nitrogen content in detritus
  • C. High lignin and chitin content in detritus
  • D. Abundance of decomposers

Q3. Which of the following best describes why the pyramid of energy is always upright?

  • A. Energy is fully transferred between trophic levels
  • B. Energy is lost as heat at each trophic level
  • C. Consumers store more energy than producers
  • D. Energy cycles continuously between trophic levels

Q4. Which of the following statements about pyramids of biomass is correct?

  • A. They are always upright in all ecosystems
  • B. They are always inverted in aquatic ecosystems
  • C. They can be inverted in some ecosystems
  • D. They always represent energy transfer

Q5. Which of the following statements about trophic levels is incorrect?

  • A. Producers form the first trophic level
  • B. Herbivores belong to the second trophic level
  • C. Tertiary consumers occupy the second trophic level
  • D. Energy transfer between trophic levels is inefficient

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