(DBOT 01) ASSIGNMENT - 1, MAY 2013. PAPER-I : BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERSM 1. Cyanophyce. 2. Reproduction in algae. 3. Thallus in bryophytes. 4. Riccia. 5. Mention the role of algae as biofertilizer and add a note on their cultivation. 6. Describe the evolutionary aspects of algae. 7. Give an account on general characteristics and reproduction in algae. 8. Describe the life-history of Anthoceros.
(DBOT 01) ASSIGNMENT - 2, MAY 2013. PAPER-I : BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERSM 1. Lycopsida. 2. Cycus roota. 3. Megasporophyll in Cycus. 4. Leaves in pinus. 5. Write an account on fossil pteredophytes. 6. Describe classification of pteridophytes. 7. Mention the economic importance of gymnosperms. 8. Write a general account on characteristics and lifecycle of Gnetum.
(DBOT 02) ASSIGNMENT - 1, MAY 2013. Paper II SYSTEMATICS OF ANGIOSPERMS AND PLANT ECOLOGY 1. Hydrophytes. 2. Community. 3. Ecological Pyramid. 4. Population 5. Describe Post-Darwinian system of classification. 6. With example describe the vegetation types in India. 7. Define Phyto allereins. Explain the criteria adopted by Engler and Grantle in classification of plants. 8. Elaborate on bi-nominal nomenclature and its significance.
(DBOT 02) ASSIGNMENT - 2, MAY 2013. Paper II SYSTEMATICS OF ANGIOSPERMS AND PLANT ECOLOGY 1. Linnaeus. 2. Taxa. 3. Contenental drift. 4. Minamata disease. 5. What is bio-degradation? Mention the role of microorganisms in nitrogen cycle. 6. Write an account on plant succession. 7. Describe the strategies for conservation of natural resources. 8. Elaborate on causes of water pollution and suggest the remedial measures to control it.
(DBOT 03) ASSIGNMENT - 1, MAY 2013. Paper III CYTOLOGY, GENETICS AND PLANT BREEDING 1. Significance of mitosis and meiosis. 2. Ribosomal RNA genes. 3. Types of chromosomes 4. Auto and allopolyploid. 5. Illustrate the cell cycle and cell division in eukaryotes. 6. Write an essay on organization of centromere, telomere, nucleolus and ribosomal RNA genes. 7. Give an account on structural and numerical alterations of chromosomes 8. Illustrate the origin, occurrence production and meiosis of haploids, aneuploids and ecaploids
(DBOT 03) ASSIGNMENT - 2, MAY 2013. Paper III CYTOLOGY, GENETICS AND PLANT BREEDING 1. Principles of Mendelian inheritance. 2. Mutagenesis. 3. Mass selection. 4. Back cross method. 5. Write a note on probability laws, application to gene segregation and chi-square test for goodness of fit. 6. What are mutations? Explain the mode of action of mutagens and role of mutations in plant breeding. 7. Discuss the Pedigree method. 8. Give an account on clonal selections and hybridization.
(DBOT 04) ASSIGNMENT - 1, MAY 2013. Paper IV PLANT PHYSIOLOGY AND METABOLISM 1. Diffusion. 2. Membrane transport proteins. 3. Enzyme nomenclature. 4. Glycolysis. 5. Illustrate the water transport through xylem and the cohesion theory. 6. Write an essay on role of macro and micro nutrients and their transport by diffusion. 7. Give an account on mechanism of electron and proton transport. 8. Illustrate the Pentose phosphate pathway.
(DBOT 04) ASSIGNMENT - 2, MAY 2013. Paper IV PLANT PHYSIOLOGY AND METABOLISM 1. Soil nitrogen sources. 2. Classification of lipids. 3. Gibberellins. 4. SAR process. 5. Write a note on synthesis of aminoacids by reducing amination. 6. Give an account on structure and functions of storage and membrane lipids. 7. Discuss the plant growth regulators. 8. Give an account on Photoperiodism and role of vernalisation.