Biodiversity Practice Questions

Question 1

Q1. Knowledge Recall (1 mark)

Define the term "ecosystem".

Question 2

Q2. Application of Knowledge (3 marks)

Explain how deforestation can impact biodiversity.

Question 3

Q3. Knowledge Recall (2 marks)

State two threats to marine biodiversity.

Question 4

Q4. Application of Knowledge (2 marks)

Describe the role of microorganisms in nutrient cycling.

Question 5

Q5. Knowledge Recall (1 mark)

What is the function of the IUCN Red List?

Question 6

Q6. Data Analysis (4 marks)

The table shows the number of species in different ecosystems:

Ecosystem

Species Count

Rainforest

10,000

Grassland

2,000

a) Which ecosystem has the highest species richness? (1 mark)

b) Calculate the difference in species count between the rainforest and the desert. (2 marks)

c) Explain why the rainforest has a higher species richness than the desert. (1 mark)

Question 7

Q7. Application of Knowledge (3 marks)

Explain how the use of pesticides can affect biodiversity.

Question 8

Q8. Knowledge Recall (2 marks)

State two factors that can lead to the formation of new species.

Question 9

Q9. Application of Knowledge (3 marks)

Describe the importance of genetic diversity in a population.

Question 10

Q10. Knowledge Recall (1 mark)

What is the name of the convention that aims to protect biodiversity on a global scale?

Desert

500

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