NEET Biology: Ecosystem — Practice Set 25

Q1. Which process in decomposition results in the accumulation of a dark-colored organic substance in soil?

Q2. Which of the following ecosystems has the highest net primary productivity?

Q3. Which of the following factors is responsible for the high productivity of estuarine ecosystems?

Q4. Which of the following is a correct statement about the nitrogen cycle?

Q5. Which of the following is the primary reason for the low productivity of oceans?

Q6. Which of the following statements about ecological pyramids is incorrect?

Q7. Which of the following statements about net primary productivity (NPP) is incorrect?

Q8. What term describes the vertical distribution of different species in an ecosystem?

Q9. Why is the pyramid of energy always upright?

Q10. Which of the following is the best example of an autotrophic organism in an aquatic ecosystem?

Biology — Ecosystem

Set 25 of 25

15:00

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Which process in decomposition results in the accumulation of a dark-colored organic substance in soil?