MCQ on Environment Ecology and Biodiversity

MCQ on Environment Ecology and Biodiversity: Environment, ecology, and biodiversity are interconnected concepts essential for understanding life on Earth. The environment encompasses all external factors that influence living organisms, while ecology focuses on the relationships among organisms and their physical surroundings. Biodiversity refers to the variety of life forms, ecosystems, and genetic resources that sustain ecological balance and human well-being.

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MCQ on Environment Ecology and Biodiversity

1. 
Which of the following levels of ecological organization is the most inclusive?

2. 
Which biogeochemical cycle is primarily responsible for regulating atmospheric carbon dioxide levels?

3. 
An ecological niche refers to:

4. 
Primary productivity in an ecosystem is influenced by:

5. 
Which of the following factors is NOT a direct threat to biodiversity?

6. 
In ecological terms, the carrying capacity of an environment refers to:

7. 
Which of the following ecosystems has the highest biodiversity?

8. 
The term “biological magnification” refers to:

9. 
In an ecological pyramid, the energy transfer between trophic levels is typically:

10. 
Which of the following statements about keystone species is true?

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MCQ on Environment Ecology and Biodiversity

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