The student has formulated a clear and focused research question that allows for critical analysis of how varying concentrations of copper (II) sulphate affect Vigna radiata, ensuring relevance to the subject of biology. The independent and dependent variables are well-defined, with justifications provided for their selection and measurement, facilitating a robust investigation. The methodology is detailed and replicable, adhering to standardized conditions and including appropriate SI units. Results are presented in a standardized format with clear labeling, although the student needs to improve the clarity of data processing by providing calculations and explanations of uncertainties. Overall, the essay is structured effectively, supporting the reader's understanding and demonstrating the student's ability to communicate scientific concepts clearly.
