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Download OU B.Sc Life Sciences 4th Sem Cell Biology Genetics and Evolution Important Questions

Download OU (Osmania University) B.Sc Life Sciences 4th Sem Cell Biology Genetics and Evolution Important Question Bank For 2021 Exam

This post was last modified on 23 January 2021

OU B.Sc Life Sciences 2021 Important Question Bank || Osmania University (Important Questions)


Subject Title: Cell Biology, Genetics and Evolution

Year: II

Semester: IV

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Prepared by: Mohammadi Sultana

Updated on: 23-03-19


Unit - I: Cell biology

Short Answers:

  1. Write a short note on cell theory.
  2. Give an account of Ultrastructure of animal cell.
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  4. Give an account of structure and function of Ribosomes.
  5. Give an account of structure and function of Lysosomes.
  6. Lambrush chromosomes
  7. Polytene chromosomes.

Long Answers:

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  1. Describe the structure and function of plasma membrane.
  2. Explain in detail about Endoplasmic Reticulum.
  3. Describe the structure and function of Golgi complex.
  4. Describe the structure of Mitochondria and its importance in the cell activity.
  5. Explain the process of Glycolysis, Kreb cycle, and Electron Transport system in the cell of Mitochondria.
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  7. Describe the Morphology of chromosomes and types of chromosomes.
  8. Describe in detail about Mitotic cell division.
  9. Explain various steps involved in Meiotic cell division.

Unit — II: Molecular Biology

Short Answers:

  1. Genetic code
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  3. Operon concept
  4. Electrophorosis

Long Answers:

  1. Explain in detail about structure and function of DNA.
  2. Explain in detail about structure and function of RNA.
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  4. Write an essay on Replication of DNA.
  5. How Transcription and Translation play an important role in Protein synthesis.
  6. Describe the regulation of Gene action with the help of Lac Operon model.
  7. Define genetic code and write its significance in Central Dogma of Molecular biology.
  8. How Polymerase chain reaction can be applied as a tool in disease diagnosis.
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  10. Explain the method of slab gel Electrophorosis.

Unit — III: Genetics

Short Answers:

  1. Write a short note of Linkage and Crossing over.
  2. Incomplete dominance.
  3. Codominance
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  5. Epistasis.
  6. Gene mutation- Delection, Duplication.
  7. Chromosomal mutation-Aneuploidy and polyploidy.
  8. Inborn Errors of Metabolism.

Long Answers:

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  1. Explain the Mendel's and Non Mendel’s law of inheritance with suitable examples.
  2. Define and describe interaction of genes with suitable examples.
  3. Explain in detail about Linkage and Crossing over.
  4. Describe the mechanism of Sex determination in man and drosophila.
  5. Explain about Sex-Linked inheritance.
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  7. Write an essay on one gene one enzyme concept and one gene one polypeptide concept.
  8. Describe the diseases of man that are caused due to chromosomal mutation.
  9. Write an essay on diseases which occur due to chromosomal aberration in man.

Unit — IV; Evolution

Short Answers:

  1. Lamarkicism theory.
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  3. Darwinism theory.
  4. Define Hardy Weinberg equilibrium.
  5. Write short note on Atrtifical selection.
  6. Allopatric speciation
  7. Sympatric speciarion.
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  9. Gene flow
  10. Genetic Drift.

Long Answers:

  1. Define evolution and describe the theories of evolution.
  2. Write an essay on modern synthetic theory of evolution.
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  4. Define Fossils and types of Fossilization.
  5. Explain in detail about Natural selection and describe various types of Natural selection.
  6. What is Isolation and explain various types of isolating mechanism acting on the process of organic evolution.
  7. Write an essay on Speciation and types of speciation.
  8. Explain various forces of evolution.
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  10. Describe the Homologous and Analogous organs of vertebrates in evolution.
  11. Write the role of Extinction in evolution.

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