Zoology IFS Paper 1 UPSC 2016 with Solutions

Zoology Optional UPSC Forest Service Paper 1 2016

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SECTION-A

1. Write notes on the following:

Zoology 1(a) Minor Phyla. (IFS 2016, 8 Marks)

Zoology 1(b) Scales in bony fishes. (IFS 2016, 8 Marks)

Zoology 1(c) Primates. (IFS 2016, 8 Marks)

Zoology 1(d) Spicules in Porifera. (IFS 2016, 8 Marks)

Zoology 1(e) Shell diversity in Mollusca. (IFS 2016, 8 Marks)

Zoology 2(a) What are coral reefs? Write about different types of coral reefs and various theories of coral reef formation. (IFS 2016, 15 Marks)

Zoology 2(b) Give an account of larval forms in Crustacea giving suitable examples and diagrams. Add a note on the significance of larvae. (IFS 2016, 15 Marks)

Zoology 2(c) Discuss parasitic adaptations of Platyhelminthes. (IFS 2016, 10 Marks)

Zoology 3(a) Discuss that Sphenodon is the most primitive and crocodilians are the most advanced of all living reptiles. (IFS 2016, 15 Marks)

Zoology 3(b) Describe parental care in Amphibia giving suitable examples. (IFS 2016, 15 Marks)

Zoology 3(c) Explain primitive, degenerate and advanced characters of Branchiostoma. (IFS 2016, 10 Marks)

Zoology 4(a) Give an account of gills and accessory respiratory organs in vertebrates with suitable drawings. (IFS 2016, 15 Marks)

Zoology 4(b) Describe flight adaptations in birds. (IFS 2016, 15 Marks)

Zoology 4(c) Give an account of nutrition in Protozoa with suitable examples. (IFS 2016, 10 Marks)

SECTION-B

5. Write notes on the following:

Zoology 5(a) Biosphere. (IFS 2016, 8 Marks)

Zoology 5(b) Carp culture. (IFS 2016, 8 Marks)

Zoology 5(c) Navigation. (IFS 2016, 8 Marks)

Zoology 5(d) Null hypothesis. (IFS 2016, 8 Marks)

Zoology 5(e) Scintillation counter. (IFS 2016, 8 Marks)

Zoology 6(a) Explain the causes and consequences of water pollution. Suggest measures for abatement of water pollution. (IFS 2016, 15 Marks)

Zoology 6(b) Differentiate between infectious and communicable diseases. Write briefly about major communicable diseases. (IFS 2016, 15 Marks)

Zoology 6(c) Write about SEM indicating its principle and applications in zoology. (IFS 2016, 10 Marks)

Zoology 7(a) Explain one-way and two-way analysis of variance and comment on its application. (IFS 2016, 15 Marks)

Zoology 7(b) Discuss the role of learning, instinct and habituation in animal behaviour. (IFS 2016, 15 Marks)

Zoology 7(c) Give an account of prawn culture indicating important cultivable species. (IFS 2016, 15 Marks)

Zoology 8(a) Define population. Outline salient population characteristics and add a note on population stabilization. (IFS 2016, 15 Marks)

Zoology 8(b) Differentiate between spectrophotometry and flame photometry. Elaborate the principles and applications of flame photometry. (IFS 2016, 15 Marks)

Zoology 8(c) Explain the role of pheromones in alarm spreading. (IFS 2016, 10 Marks)