Research Methodology (Mandatory) — DU B. Sc. (Hons) Biochemistry Previous Year Question Papers

There are 6 questions. Attempt four questions in all. (A) Explain the following terms : (i) Creative Commons (ii) Impact factor (iii) Null Hypothesis (vii) Independent variable. (B) Justify the following statements : (a) Funding agencies play a vital role in advancing research and innovation. (b) Proper citation and referencing strengthen the credibility of research report. (c) A good hypothesis is the foundation of successful research study. (d) Measures of central tendency are important indicators of data distribution. 7,8 (A) What is h-index ? Explain its significance. Calculate h-index from the data shown below. A statistician wants to test the hypothesis Ho : M = 120 using the alternative hypothesis Ha: M > 120 and assuming that a = 0.05. For that, he took the sample values as : n = 40, o = 32.17 and * = 105.37. Determine the conclusion for this hypothesis. (B) What is h-index ? Explain its significance. Calculate the h-index from given data : Research Article Citations (A) What are the various methods of data collection ? Discuss the interview method in detail, including its merits and demerits. (B) What do you mean by the term correlation ? What are the different types of correlation ? (C) What do you mean by the terms: Standard deviation and Coefficient of variation. Find the coefficient of variation for the following data : 4. (A) Discuss the following research designs: (ii) Case-control. (B) What role do visuals and graphs play in creating effective poster presentations ? (C) Explain why plagiarism constitutes both an ethical and legal offense. A PhD student submits a review article to their supervisor, which shows 55% plagiarism upon analysis. Is this within the acceptable range ? Name two software tools for plagiarism detection. 7.5,3,4.5 Differentiate between the following pairs : (i) Exploratory and experimental research design (ii) Research article and review article (li) Discrete series and continuous series coefficient of variation (io) Primary and secondary data 10) Random and non-random sampling 3×5=15 Write short notes on the following : (i) Regression analysis and its applications (ii) Intellectual Properry Rights (PR) Reference management software. 5,5,5