Zoology IAS Paper 1 UPSC 2017 with Solutions

Zoology Paper 1 UPSC 2017 - Question Paper with Solutions 

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SECTION-A

1. Answer the following in about 150 words each:

Zoology 1a Differentiate between major and minor phyla. Describe the salient features of any one minor phylum. (IAS 2017, 10 Marks)

Zoology 1b Some fishes can breathe air. Elaborate. (IAS 2017, 10 Marks)

Zoology 1c Explain the types of metamorphosis in insects and their hormonal regulation. (IAS 2017, 10 Marks)

Zoology 1d Give general features and examples of egg-laying mammals and pouched mammals. (IAS 2017, 10 Marks)

Zoology 1e Discuss the origin of Tetrapods. (IAS 2017, 10 Marks)

Zoology 2a Give an account of larval forms in Crustacea with examples and diagrams. Also write a note on the significance of larvae. (IAS 2017, 20 Marks)

Zoology 2b Give the structure of cnidoblast, the defensive organ in Cnidaria. Also, describe its mechanism of action. (IAS 2017, 15 Marks)

Zoology 2c What are Bilateria ? Explain the theories of origin of Bilateria. (IAS 2017, 15 Marks)

Zoology 3a Give an elaborate account of various flight adaptations in birds. (IAS 2017, 20 Marks)

Zoology 3b Explain various types of dentition in mammals. (IAS 2017, 15 Marks)

Zoology 3c Describe the roles of three eye layers in vision in humans. (IAS 2017, 15 Marks)

Zoology 4a Give an account of evolution of aortic arches in reptiles, birds and mammals. (IAS 2017, 20 Marks)

Zoology 4b Discuss respiration in Mollusca indicating suitable examples. (IAS 2017, 15 Marks)

Zoology 4c Explain primitive, degenerate and advanced characters of Branchiostoma. Comment on its systematic position. (IAS 2017, 15 Marks)

SECTION-B

5. Answer the following in about 150 words each:

Zoology 5a Describe FISH: Principle, Procedure and Applications'. (IAS 2017, 10 Marks)

Zoology 5b What are Ecotones? Are wetlands ecotones? Justify. (IAS 2017, 10 Marks)

Zoology 5c Discuss Thermal Pollution and its preventive measures. (IAS 2017, 10 Marks)

Zoology 5d How is 'Composite Carp Culture advantageous over 'Traditional Carp Culture'? (IAS 2017, 10 Marks)

Zoology 5e Explain the role of chemical signals in alarm spreading.(IAS 2017, 10 Marks)

Zoology 6a Mention the advantages of social living. Describe different types of social hierarchies in primates. (IAS 2017, 20 Marks)

Zoology 6b Discuss the concept and importance of genetic counselling and gene therapy. (IAS 2017, 15 Marks)

Zoology 6c Write about phase contrast and fluorescence microscopy with notes on their principles and applications in Zoology. (IAS 2017, 15 Marks)

Zoology 7a What is meant by biostatistics? Explain the role of correlation, regression and ANOVA in data analysis in Zoology. (IAS 2017, 20 Marks)

Zoology 7b Elaborate the term 'Ecosystem' and explain its structural components with examples. Comment on Trophic Dynamics concept. (IAS 2017, 15 Marks)

Zoology 7c Explain the principle, types and applications of ultracentrifuge. (IAS 2017, 15 Marks)

Zoology 8a Discuss environmental degradation with regards to inland water resources. Suggest measures to restore the water quality of our rivers, lakes and reservoirs. (IAS 2017, 20 Marks)

Zoology 8b What is meant by Biodiversity? Explain Protected Area Networking w.r.t. their establishment, monitoring and management. (IAS 2017, 15 Marks)

Zoology 8c Explain adaptations of animals inhabiting fast flowing waters. (IAS 2017, 15 Marks)