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BSC THIRD YEAR ZOOLOGY 2080 TU Exam Paper

Tribhuvan University 2079 Bachelor Level (4 Yrs.)/Science & Tech./III Year Full Marks:100 Zoology (Physiology,Genetics and Molecular Biology) (Zool.301) New Course                Time: 3 hrs. Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks. Illustrate your answers with suitable diagrams wherever necessary. GROUP"A" [2x10=20] Attempt any TWO questions. 1. What is carbohydrate? How does the human body metabolize carbohydrates in order to provide energy for various physiological functions? 2. What is nephron? How does the nephron contribute to the processes of filtration, reabsorption and secretion involved in urine formation? 3. Describe the structure of Nerve cells. How does an electrical signal pass along the nerve cell? GROUP "B" Attempt any TWO questions. [2x10=20] 4. What are cell organelles? Describe the structure and function of mitochondria. 5. What is ...
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Research Methodology BSC Third Year Question Paper

TRIBHUVAN UNIVERSITY 2080 Bachelor Level (4 Yrs.)/Science & Tech./ III Year Research Methodology [R.M.305] (Compulsory) Time: 3 hrs. Full Marks: 100 New Course Candidates are required to give their answers in their own words as far as practicable. The questions are of equal value. 10x10=100 Attempt any TEN questions. Define research. Explain the chief characteristics of scientific research. Define research problem. Explain the ways of selecting a meaningful research problem. Also, describe the methods of problem identification. What are the methods of data collection for the purpose of research? Discuss the ways of data collection activity by schedule. Also, describe different types of schedules. What is sampling? Discuss the needs of sampling for research work. A statistics practitioner would like to estimate a population mean within 15 units. The confidence level has been set at 99% and population standard deviation = 174. Determine the sample size. What are the methods of redu...
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5 Major Differences between Homeostasis and Hemostasis

Certainly! Here's the updated table with disorders that can affect homeostasis and hemostasis: ```html Homeostasis vs Hemostasis Homeostasis vs Hemostasis Aspect Homeostasis Hemostasis Definition and Purpose The body's ability to maintain a stable internal environment despite external changes. Involves balancing temperature, pH, electrolyte levels, etc. to support cellular function and organ health. The process of controlling bleeding or stopping blood flow after an injury. Involves vasoconstriction, platelet aggregation, and blood clotting to prevent excessive blood loss and promote wound healing. Scope and Applicability Applies to the entire body. Aims to maintain overall internal balance and stability. Specific to the circulatory system. Activated only in response to vascular injury or trauma. Regulation Mechanisms Primarily regulated by the nervou...
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