NEET Biology: Ecosystem — Practice Set 18

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

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

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

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

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

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?

Biology — Ecosystem

Set 18 of 25

15:00

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