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Federal Public Service Commission (FPSC) CSS Past Paper Of Botany Paper II year 2014

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?

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