Biodiversity Calculations (Answers)
**Multiple Choice Questions on Biodiversity and Simpson’s Diversity Index (D)**
1. **What does Simpson's Diversity Index (D) measure?**
- A) The number of different species
- B) The size of a habitat
- C) The even distribution of species
- D) The stability of ecosystems
- **Correct Answer: C) The even distribution of species**
2. **How is Simpson’s Diversity Index calculated?**
- A) Using a complex mathematical formula
- B) Counting the total number of species
- C) Assessing the evenness of species
- D) Measuring the size of a habitat
- **Correct Answer: A) Using a complex mathematical formula**
3. **What does a high D value in Simpson's Diversity Index indicate?**
- A) Poor biological health
- B) Low biodiversity
- C) Good biological health
- D) Limited species diversity
- **Correct Answer: C) Good biological health**
4. **Why is biodiversity considered crucial for human well-being?**
- A) It regulates Earth's climate
- B) It provides resources like food and medicine
- C) It increases habitat stability
- D) It reduces the variety of species
- **Correct Answer: B) It provides resources like food and medicine**
5. **Which term represents the total number of species within a defined area?**
- A) Biodiversity index
- B) Habitat size
- C) Species richness
- D) Ecosystem stability
- **Correct Answer: C) Species richness**
6. **What does the species evenness formula, Pielou’s Evenness Index, consider?**
- A) The number of species only
- B) The relative abundance of species
- C) The total habitat area
- D) The total ecosystem stability
- **Correct Answer: B) The relative abundance of species**
7. **How is functional diversity different from species richness?**
- A) It considers species distribution
- B) It evaluates ecosystem stability
- C) It assesses the roles and functions of species
- D) It measures the total number of species
- **Correct Answer: C) It assesses the roles and functions of species**
8. **What is the primary role of biodiversity calculations in conservation efforts?**
- A) Identifying areas with low biodiversity
- B) Monitoring changes in habitat size
- C) Targeting and prioritizing conservation efforts
- D) Assessing the total number of organisms
- **Correct Answer: C) Targeting and prioritizing conservation efforts**
9. **Which index is often used to assess species evenness?**
- A) Simpson’s Diversity Index
- B) The total number of species
- C) Pielou’s Evenness Index
- D) A mathematical formula
- **Correct Answer: C) Pielou’s Evenness Index**
10. **What does a low D value in Simpson’s Diversity Index suggest?**
- A) Limited species richness
- B) Good biological health
- C) High biodiversity
- D) Poor biological health
- **Correct Answer: D) Poor biological health**
1. **What does Simpson's Diversity Index (D) measure?**
- A) The number of different species
- B) The size of a habitat
- C) The even distribution of species
- D) The stability of ecosystems
- **Correct Answer: C) The even distribution of species**
2. **How is Simpson’s Diversity Index calculated?**
- A) Using a complex mathematical formula
- B) Counting the total number of species
- C) Assessing the evenness of species
- D) Measuring the size of a habitat
- **Correct Answer: A) Using a complex mathematical formula**
3. **What does a high D value in Simpson's Diversity Index indicate?**
- A) Poor biological health
- B) Low biodiversity
- C) Good biological health
- D) Limited species diversity
- **Correct Answer: C) Good biological health**
4. **Why is biodiversity considered crucial for human well-being?**
- A) It regulates Earth's climate
- B) It provides resources like food and medicine
- C) It increases habitat stability
- D) It reduces the variety of species
- **Correct Answer: B) It provides resources like food and medicine**
5. **Which term represents the total number of species within a defined area?**
- A) Biodiversity index
- B) Habitat size
- C) Species richness
- D) Ecosystem stability
- **Correct Answer: C) Species richness**
6. **What does the species evenness formula, Pielou’s Evenness Index, consider?**
- A) The number of species only
- B) The relative abundance of species
- C) The total habitat area
- D) The total ecosystem stability
- **Correct Answer: B) The relative abundance of species**
7. **How is functional diversity different from species richness?**
- A) It considers species distribution
- B) It evaluates ecosystem stability
- C) It assesses the roles and functions of species
- D) It measures the total number of species
- **Correct Answer: C) It assesses the roles and functions of species**
8. **What is the primary role of biodiversity calculations in conservation efforts?**
- A) Identifying areas with low biodiversity
- B) Monitoring changes in habitat size
- C) Targeting and prioritizing conservation efforts
- D) Assessing the total number of organisms
- **Correct Answer: C) Targeting and prioritizing conservation efforts**
9. **Which index is often used to assess species evenness?**
- A) Simpson’s Diversity Index
- B) The total number of species
- C) Pielou’s Evenness Index
- D) A mathematical formula
- **Correct Answer: C) Pielou’s Evenness Index**
10. **What does a low D value in Simpson’s Diversity Index suggest?**
- A) Limited species richness
- B) Good biological health
- C) High biodiversity
- D) Poor biological health
- **Correct Answer: D) Poor biological health**