Section E: Detailed Answer Questions
Question 31: Discuss the steps involved in the process of artificial selection and its implications on biodiversity. Compare it with natural selection in terms of process and outcome.
OR
Question 31: Describe the structure and function of different types of RNA in the process of protein synthesis. Include in your answer the roles of mRNA, tRNA, and rRNA.
Question 32: Analyze the significance of biodiversity conservation in the context of climate change. Discuss:
- (a) The relationship between biodiversity and climate change.
- (b) The effects of climate change on global biodiversity.
- (c) Strategies for conserving biodiversity to combat climate change impacts
OR
Question 32: Elaborate on the process of eutrophication in freshwater ecosystems. Discuss:
- (a) The sequence of events leading to eutrophication.
- (b) The ecological impacts on aquatic life and biodiversity.
- (c) Possible mitigation strategies to prevent or reduce eutrophication.
Question 33: Describe the process of nitrogen fixation in legumes, highlighting the symbiotic relationship between legume plants and nitrogen-fixing bacteria.
- (a) Explain the role of nodules and the specific bacteria involved.
- (b) Discuss the benefits of nitrogen fixation for the plant and the ecosystem.
- (c) How does this process contribute to soil fertility?
OR
Question 33: Discuss the implications of gene flow and genetic drift on the genetic diversity of a population.
- (a) Define gene flow and genetic drift, providing examples of each.
- (b) Explain how these processes affect population genetics.
- (c) Discuss the importance of genetic diversity for species survival and adaptation.
These questions are designed to test students’ deep understanding of biological concepts, their ability to integrate knowledge from different parts of the curriculum, and their skills in applying this knowledge to explain complex processes and phenomena.
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