NEET Biology: Ecosystem — MCQ Test 18

Q6. Which of the following is NOT a step in the decomposition process?

Q7. Which of the following best explains why energy transfer between trophic levels is inefficient?

Q8. Why is the pyramid of energy always upright?

Q9. Which of the following best describes the pyramid of biomass in a forest ecosystem?

Q10. Which of the following statements about grazing food chains is incorrect?

NEET BiologyEcosystem

Free MCQ Test 18 of 25

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

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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, Incorrect, Directly, and Productivity.

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 energy flow in an ecosystem is incorrect?

  • A. Energy flow is unidirectional
  • B. Energy is lost as heat at each trophic level
  • C. All energy is transferred between trophic levels without loss
  • D. Producers capture solar energy for photosynthesis

Q2. Which of the following statements about food chains is incorrect?

  • A. Energy flow in food chains is unidirectional
  • B. Food chains always start with producers
  • C. Food chains do not include decomposers
  • D. Each trophic level has less energy than the previous one

Q3. Which of the following statements about the pyramid of energy is incorrect?

  • A. The pyramid of energy is always upright
  • B. Energy is lost as heat at each trophic level
  • C. Primary consumers receive more energy than producers
  • D. Energy transfer is inefficient between trophic levels

Q4. Which of the following factors does NOT directly affect primary productivity?

  • A. Sunlight availability
  • B. Nutrient availability
  • C. Temperature
  • D. Decomposer activity

Q5. Which ecosystem type has the highest net primary productivity per unit area?

  • A. Desert
  • B. Tundra
  • C. Tropical rainforest
  • D. Deep ocean

+ 5 more questions in the actual test

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