Federal Public Service Commission (FPSC) CSS Past Paper Of Botany Paper II year 2014
Attempt any four questions, each question carries equal marks. (20 marks each)
Question # 2: Describe the structure, biosynthesis, mode of action and physiological functions of gibberellins.
Question # 3: Differentiate between Respiration and Photorespiration. Elaborate the mechanism of phhotorespiration along with structural formulae. Which types of cellular organelles are involved in this process?
Question # 4: Environmental factors are crucial for plant growth. How do various climatic, edaphic and biotic factors affect plant growth?
Question # 5: Soil Erosion is major problem in Pakistan. What are the causes of soil erosion? Hoe is soil erosion reclaimed? Justify your answer with respect to this problem in Pakistan.
Question # 6: Differentiate between mitosis and meiosis. In which types of cells mitosis or meiosis occur? How id meiosis significant for living organisms?
Question # 7: What are codon and genetic code? Elucidate the structure of gene. Succinctly describe the process of gene regulation in eukaryotes.
Question # 8: List and describe various theories about the process of evolution. Elaborate this process with reference to theory of Neo-Lamarckism. What were the objections on this theory?