Download OU B.Sc Life Sciences 5th Sem Cell Biology and Genetics Important Questions

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III Year V Semester Botany Question Bank

Subject title: Cell Biology and Genetics Faculty Name: Noori Sultana

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Long questions :15m

Unit I

1. Ultra structure of typical plant cell
2. Structure and properties of different models of Plasma membrane
3. Watson and Crick’s model of DNA (structure, properties & functions)

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4. Shape size and chemistry of Chromosome structure
5. Essay on Extra chromosomal DNA-mitochondrial & plasticity DNA

Unit II

1. Detail process of Meiosis I
2. Mendel’s Monohybrid cross

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3. Dihybrid cross experiment on Pisum
4. Mendel’s Laws of Inheritance
5. Modification in dihybrid ratios due to interaction of genes (epistasis, non-epistasis)
6. Account on construction of Chromosome mapping (2point & 3point test crosses)
7. Mechanism of Crossing over and theories explaining its mechanism

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Unit III

1. Mutations involving structural chromosomal aberrations (deletions, duplications, translocation & inversion)
2. Numerical changes in chromosomes-Euploidy & Aneuploidy
3. Essay on Point Mutations
4. Polyploids with example crosses

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5. Properties of Genetic code
6. Prokaryotic and Eukaryotic Replication of DNA
7. Steps involved in Transcription of protein synthesis
8. Steps involved in Translation

SHORT QUESTIONS : 4M

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Unit I

1. Fine structure of cell wall
2. Cell organelles (plastids, mitochondria, Golgi complex, ER, Nucleus, ribosomes)
3. Messelson and Stahl's experiment
4. Polytene/ giant chromosomes, B chromosomes

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5. Lamp brush chromosomes
6. Plasmids
7. Euchromatin and Heterochromatin
8. Karyotype
9. Types of RNA

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Unit II

1. Prophase I
2. Complete and incomplete linkage
3. Duplicate and collaborator genes
4. Supplementary genes

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5. Complementary genes
6. Copy choice hypothesis
7. Tetrad analysis
8. Two point test cross

Unit III

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1. Chemical mutagens
2. CIB method for detection of mutations
3. Muller 5 method
4. Lac operon
5. Mitochondrial DNA

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6. Translation
7. Structure of gene
8. Transposons