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Ecology and Environment

Plant Ecology Practice Questions

20 free Plant Ecology practice questions for the Botany, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Plant Ecology questions

20 questions
  1. Q1. The gradual and predictable process of change in the species structure of a plant community over time is known as:
  2. Q2. Which type of plant succession occurs on a previously unoccupied site, such as a bare rock or a new volcanic island?
  3. Q3. In a forest ecosystem, the different vertical layers such as the canopy, understory, and forest floor represent:
  4. Q4. The transitional zone between two or more diverse plant communities, such as the area between a forest and a grassland, is called an:
  5. Q5. Plants that produce chemical compounds to inhibit the growth of neighboring plants are exhibiting:
  6. Q6. Which of the following describes a 'Climax Community'?
  7. Q7. According to the competitive exclusion principle, two plant species cannot occupy the same:
  8. Q8. Plants that grow in high-light intensities and are adapted to full sunlight are called:
  9. Q9. Which ecological pyramid can never be inverted in a stable, natural ecosystem?
  10. Q10. The total amount of organic matter produced by plants per unit area per unit time through photosynthesis is called:
  11. Q11. In the phosphorus cycle, what is the primary reservoir for phosphorus in the environment?
  12. Q12. An organism that can tolerate only a narrow range of environmental salinity is described as:
  13. Q13. The relationship between Mycorrhizal fungi and plant roots is an example of:
  14. Q14. Species that have a disproportionately large effect on their natural environment relative to their abundance are called:
  15. Q15. Which of the following is a biotic component of an ecosystem?
  16. Q16. The specific place where an organism lives and the abiotic factors associated with it is its:
  17. Q17. Which biome is characterized by permafrost, low precipitation, and vegetation consisting of lichens, mosses, and dwarf shrubs?
  18. Q18. The process by which certain pollutants increase in concentration as they move up the food chain is known as:
  19. Q19. Plants that are found only in a specific geographic area and nowhere else in the world are called:
  20. Q20. What occurs during the process of 'Denitrification' in the nitrogen cycle?