M P BHOJ (OPEN) UNIVERSITY, BHOPAL ASSIGNMENT QUESTION PAPER

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1 PAPER :I Cell and molecular Biology of plants Q.1 Describe various models of Plasma membrane with its significance? OR Discuss role of Plasmodesmata in movements of moleculer and macromolecules? Q.2 Give an Ultrastructure of mitochondria? Write its significance in respiration? OR What is RNA-editing? Explain mechanism of RNA-editing in detail? Q.3 What is Protein Synthesis? Explain role of Ribosome and t-rna in Protein Synthesis? OR Draw diagram of DNA given by Watson & Crick and give a short essay on DNA replication in Prokaryotes? Q.4 Give an account of Protein sorting in typical Eukaryotic cell? OR Write role of Cyclins and Cyclin dependent kinases in cell cycle and Apoptosis? Q.5 Write Principle of Confocal Microscopy? OR Write short note on :- (i) Endoplasmic Reticulum (ii) Golgiapparatus Q.1 Write a short note on :- (i) Cell wall structure (ii) Cell membrane structure OR Write structural organization of Plant cell? Q.2 What do you mean by Tonoplast? Give its significance in Plant Vacuole? OR Draw labelled and neat diagram of Ultrastructure of Nucleus? Write its functions? Q.3 Write in brief essay on DNA damage and repair mechanism? OR Write in detail account on RNA Splicing? Q.4 Explain Targeting of Proteins to Organelles? OR Write short note on any 2 :- (i) Cell Plate formation (ii) Microtubules (iii) Motor movement Q.5 Explain principle of GISH? OR Write short note on :- (i) Lysosomes (ii) Golgibodies

2 PAPER : II Biology and Diversity of Lower Plants Q.1 Write brief account on Nutrition in Bacteria? OR Explain Lytic cycle in detail? Q.2 Give general account of Rhodophyceae with diagrams? OR Explain different habitats of Algae? Q.3 Give general account of Basidiomycetes?OR Write short note on :- A Parasexuality B Economic importance of fungi Q.4 Explain life cycle of Jungermanniales with diagrams? OR Write short note on :- A B Economic importance of Bryophyte Sporophyte of Polytrichum Q.5 Explain Heterpspory in relation to seed habit?or Write short note on :- A Rhynia B Marselia Sporocarp Q.1 Write characteristics, ultra structure of viruses? OR Explain reproduction of Bacteria with suitable diagrams? Q.2 Write short note on : A Charophyta B. Industrial uses of Algae OR Give a life cycle of Phaeophyceae? Q.3 Give general characteristics and classification of Ascomycetes? OR

3 Write short note on :- A Heterothallism B. Mycorrizae Q.4 Give general account of Marchaintiales? OR Describe life cycle of Polytrichum? Q.5 Write short essay on Stelarevolution? OR Short note on :- A Fossil pteridophyte B Psilopsida

4 PAPER : III Cytology, Genetics and Cytogenetics Q.1 Write short note on :- (i) Karyotype (ii) B- Chromosome (iii) Translocation heterozygotes OR Write short essay on Polyploidy? Q.2 Describe Cytoplasmic male sterility in detail? OR Write short essay on regulation of gene expression in Prokaryotes and Eukaryotes? Q.3 Describe molecular mechanism of recombination and role of RecA and Rec BCD enzymes in recombination? OR Write an account of molecular basis of gene mutations? Q.4 Write short note on :- (i) Robertsonian translocation (ii) Monosomics (iii) Trisomics OR Describe transmission of monosomics and trisomics and their use in chromosome mapping? Q.5 Explain concept and technique of in-situ hybridization? OR Write short note on :- (i) C-value paradox (ii) Multigene families Q.1 Write short essay Numerical alteration in Chromosomes? OR Write short note on (i) Polytene chromosome (ii) Autopolyploidy Q.2 Describe Transduction in Bacteria? OR Discuss role and significance of introns in RNA Splicing? Q.3 Write a brief note on Genetic mapping? OR What is carcinogenesis? Explain role of Protooncogenes and Oncogenes in Cancer at cellular level? Q.4 Explain breeding behavior and genetics of structural heterozygotes? OR Discuss effect of aneuploidy on phenotype in plants? Q.5 Write principle of flow cytometry? OR Describe methods for detaching alien chromatin?

5 PAPER : IV Taxonomy and Diversity of Seed Plants Q.1 Write a General account of Medulosaceae? OR Write a short essay on Pollen Germination and the complexity of their female Gametophyte in Gymnosperm? Q.2 Write short note on :- (i) Ecads (ii) Ecotypes (iii) Species OR Write a brief note on The Species concept? Q.3 Explain how Anatomy is related to Taxonomy? OR Write an account on Cytological and Serological technique of Taxonomy? Q.4 Give detail account of Sustainable development? OR Write short note on :- (i) Endemism (ii) Hot spots and hottest spots Q.1 Give out line classification of Gymnosperms? OR Write short essay on Caytoniaceae? Q.2 Expalin origin, evolution and differentiation of Species? OR Give salient features of the international code of Botanical nomenclature? Q.3 Write short essay on Genome analysis and nucleic acid hybridization? OR Write short note on :- (i) GIS (ii) Herbaium Q.4 Give an illustrated account of merits and demerits of major Systems of classification OR Write a brief note on Plant Explorations and introductions?

6 PAPER : V Plant Physiology and Metabolism Q.1 Discuss principles of Thermodynamics? OR Write a short essay on Michaelismenten equation Q.2 Expalin role of G-Proteins, receptors and cyclic nucleotides in signal transduction? OR Write a detail note on Translocation of water in Plants? Q.3 Write note on following :- (i) Pentose Phosphate pathway (ii) Glyoxylate cycle Explain mechanisms of electron and proton transport Q.4 Expalin mechanism of Nitrate uptake and Reduction? OR Short note on :- (i) Phytochrome (ii) Photomorphogenesis Q.4 Write short note on :- (i) HR and SAR (ii) Metal toxicity OR Explain Photoperiodism and its significance? Q.1 Write short note on :- (i) Isozymes (ii) Regulatory and Active sites OR Explain structure, function and modes of action of Enzyme? Q.2 Discuss root-microbeinteractions in facilitating nutrient uptake? Q.3 Write detail note on Calvin cycle? OR Explain c4 and CAM pathways and their significance? Q.4 Explain molecular mechanism of action of Photomorphogenic receptors? OR Short note on :- (i) Nodule formation (ii) Sulphate uptake Q.5 What are plant growth regulators? Explain the mechanism of their mode of action?

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