NEET Biology: Ecosystem — Practice Set 16

Q1. Which of the following is a correct statement about the nitrogen cycle?

Q2. Which of the following best describes an ecological pyramid?

Q3. Which of the following processes is responsible for the formation of humus?

Q4. Which of the following statements is true about the second law of thermodynamics in an ecosystem?

Q5. Which of the following is an incorrect statement about biological magnification?

Q6. Which of the following statements about net primary productivity (NPP) is correct?

Q7. What is the role of leaching in decomposition?

Q8. What is the main source of energy for an ecosystem?

Q9. What is the role of fungi in the decomposition process?

Q10. Which trophic level do secondary consumers occupy in a food chain?

Biology — Ecosystem

Set 16 of 25

15:00

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Which of the following is a correct statement about the nitrogen cycle?