NEET Biology: Organisms and Population — Practice Set 23

Q1. Which of the following best explains why populations fluctuate over time?

Q2. Which of the following is a correct statement about invasive species?

Q3. Which of the following is NOT a factor affecting population growth?

Q4. Which of the following is an example of amensalism?

Q5. Which of the following is a correct statement about trophic cascades?

Q6. Which type of organism is most likely to be an r-selected species?

Q7. Which term describes the number of individuals per unit area in a population?

Q8. Which of the following is a density-dependent factor in population regulation?

Q9. Which of the following is an incorrect statement about mutualism?

Q10. Which of the following factors is density-dependent?

Biology — Organisms and Population

Set 23 of 29

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Which of the following best explains why populations fluctuate over time?