MCQ on Plant Ecology Part-2




Plant ecology studies the interactions among plants, their environment, and other organisms. It examines how plants adapt, compete for resources, distribute across landscapes, and influence ecosystems. This field explores their role in nutrient cycles, succession, and biodiversity maintenance. This Plant Ecology MCQ will help you to understand the significance of plants in ecosystem.

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1. 
Which of the following factors does NOT directly influence the distribution of plant species within an ecosystem?

2. 
What term is used to describe a plant community that remains relatively stable over time without significant disturbance?

3. 
In the context of plant ecology, what is the term for a plant's ability to tolerate a wide range of environmental conditions?

4. 
Which type of symbiotic relationship between plants and fungi is characterized by the exchange of nutrients, with the fungus helping the plant absorb water and minerals in exchange for carbohydrates?

5. 
What is the primary role of mycorrhizal associations in plant ecology?

6. 
Which ecological concept refers to the sum total of a species' use of the biotic and abiotic resources in its environment?

7. 
What term describes the process by which plants capture light energy and convert it into chemical energy through photosynthesis?

8. 
In plant ecology, what is the term for the phenomenon in which plants release volatile organic compounds to deter herbivores or attract predators of herbivores?

9. 
What is the term for the specialized ecological role that a species plays within an ecosystem?

10. 
In plant ecology, which term refers to the study of the timing of plant life cycle events, such as flowering and leaf bud burst, in response to seasonal changes?

11. 
Which of the following is NOT a major factor influencing plant population dynamics?

12. 
The process of nitrogen fixation, which is crucial for plant growth, is primarily carried out by which group of organisms in plant ecosystems?

13. 
What term describes the process by which nutrients, such as phosphorus and nitrogen, are gradually released from dead plant and animal material and returned to the ecosystem?

14. 
In plant ecology, what is the name for a species that has a disproportionate impact on its community or ecosystem relative to its abundance?

15. 
Which of the following ecological factors is considered an abiotic factor?

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plant ecology mcq




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