BSc Zoology Sem IV 2018 19 Apr 2018-19 ZOOLOGY PAPER I Question Paper - Mumbai University | munotes

Questions asked in this paper

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• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labeled diagrams wherever necessary
2. Q1 Fill in the blanks by choosing the correct option given in the bracket: 5 marks
   • a) Fossils in which only hard parts of organisms remain while the soft parts decay are called
   • b) Evolution of resistance to pesticides is an example of selection
   • c) Large scale phenotypic changes in populations at or above the species level in called
   • d) research is also called decisional research
   • e) In research investigator uses already available facts which are analyzed and critically evaluated. (abstract, applied, analytical) Match the columns I and II and rewrite: 05
   • e) Discovery of Penicillin 5) DNA sequencing
3. Q1 Mention whether the given statement is True or False: 5 marks
   • a) Whales lost their hindlimbs as a consequence of the inherited effect of disease
   • b) In IAEC, ‘I’ stands for India
   • c) Presence of two or more morphs in the same habitat is called polymorphism
   • d) When a population is in genetic equilibrium no evolution takes place
   • e) A good introduction in research paper should be unipartite Answer the following in one sentence: 05
   • a) Define endosymbiosis
   • b) Define connecting link
   • c) Define the term gene pool
   • d) What is allele frequency?
   • e) Define dissertation
4. Q2 Explain Mutation theory and Weismann’s germ plasm theory of evolution. 10 marks
   • A) Give a detailed account of the origin of eukaryotic cell. Add a note on geographical 10 evidences in favour of organic evolution Answer any two of the following: 10
   • a) Explain in brief Darwinism
   • b) Describe chemical evolution with Haldene and Oparin theory
   • c) Give an account of homologous organs
   • d) Write a note on vestigial organs
   • A) Describe the role of genetic drift and natural selection in evolution. 10
   • A) Describe the various sources of genetic variation within a population. 10 Answer any two of the following: 10
   • a) Explain adaptive radiation with examples
   • b) Describe the biological species concept
   • c) Write a note on parapatric speciation
   • d) Describe how migration disrupts Hardy Weinberg equilibrium in a population Give an account of two broad approaches of scientific reasoning. 10
   • A) Give a brief account of approval from forest department to conduct research in protected 10
   • B) Describe any two of the following: 10
   • b) Role of critical thinking in scientific research
   • c) Scientific research: Definition and characteristics
   • d) Key features of popular report
5. Q5 Write short notes on any four: 20 marks
   • a) Neo-Darwinism
   • b) Recapitulation theory
   • c) Sympatric speciation
   • d) Role of geographical isolation in speciation
   • e) Application of knowledge gained by research
   • f) Informed consent in clinical research

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