Zoology IAS Paper 1 UPSC 2015 with Solutions

Zoology Paper 1 UPSC 2015 - Question Paper with Solutions 

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SECTION-B

1. Answer the following in about 150 words each:

Zoology 1a What are minor phyla? Enlist minor phyla with suitable examples. 15 Marks0 Words (IAS 2015 Marks, 10 Marks)

Zoology 1b What is Jatinga bird mystery? Is it related with bird migration? Explain. (IAS 2015 Marks, 10 Marks)

Zoology 1c Herdmania is a primitive and degenerate descendent of ancestral chordates’. Explain. (IAS 2015 Marks, 10 Marks)

Zoology 1d Apis is known for social behaviour. Discuss (IAS 2015 Marks, 10 Marks)

Zoology 1e Polychaetes exhits different modes of life adapted to habitats. Elaborate the statement. (IAS 2015 Marks, 10 Marks)

Zoology 2a Give an account of locomotion in Protozoa indicating locomotor organelle with suitable examples.

Zoology 2b What are corals and coral reefs? Describe different types of coral reefs and their formation indicating different theories.

Zoology 2c Enumerate functions and main components of endoskeleton of vertebrates. Give an account of types of jaw suspensoria in vertebrates with suitable diagrams.

Zoology 3a Discuss parasitism in ‘Copepoda’. Comment on structural peculiarities of parasitic copepods. (IAS 2015 Marks, 15 Marks)

Zoology 3b Give an illustrated account of the reproductive system, life history and development of Asterias. (IAS 2015 Marks, 15 Marks)

Zoology 3c Give an account of locomotion in Pisces indicating the role of muscles and fins. How do some fish fly? Comment. (IAS 2015 Marks, 20 Marks)

Zoology 4a 'Sphenodon is the most primitive and crocodilians are most advanced of all living Reptiles'. Discuss the statement. (IAS 2015 Marks,15 Marks)

Zoology 4b Give an account of fresh water, egg laying and pouched mammals with suitable examples. (IAS 2015 Marks,15 Marks)

Zoology 4c Give an account of gills and accessory respiratory organs in vertebrates with suitable examples. (IAS 2015 Marks, 20 Marks)

SECTION-B

5. Answer the following in about 150 words each:

Zoology 5a What is ‘Ganga action plan? Explain.  (IAS 2015 Marks,10 Marks)

Zoology 5b Explain the role of pheromones in alarm spreading.  (IAS 2015 Marks,10 Marks)

Zoology 5c "Biotechnology is a vital tool in modem forensic science’. Comment.  (IAS 2015 Marks,10 Marks)

Zoology 5d Differentiate between one-way and two-way analysis of variance (ANOVA). Comment on its applications in biostatistics.  (IAS 2015 Marks,10 Marks)

Zoology 5e Electrophoresis is a valuable tool in resolving cryptic-species complexes. Discuss. (IAS 2015 Marks,10 Marks)

Zoology 6a Discuss social hierarchies in Primates (IAS 2015 Marks,15 Marks)

Zoology 6b What is meant by distribution? Explain patterns of distribution in natural populations. (IAS 2015 Marks,15 Marks)

Zoology 6c What are biogeochemical cycles? Discuss nitrogen cycle indicating the role of atmospheric N-fixation, the role of bacteria and the impact of human activity. (IAS 2015 Marks,20 Marks)

Zoology 7a What is chromosome painting? Comment on its principles and scope. (IAS 2015,15 Marks)

Zoology 7b Give an account of the causes and consequences of pollution of aquatic resources and the problem of cultural eutrophication. Suggest measures for abatement of water degradation (IAS 2015 Marks,15 Marks)

Zoology 7c Define biodiversity hot-spot and mention the criteria of its selection. Write about biodiversity hot spots of the Indian subregion giving their salient features. (IAS 2015 Marks,20 Marks)

Zoology 8a What are Euphenics? Explain its use for improvement of human welfare. (IAS 2015 Marks,15 Marks)

Zoology 8b Discuss the status and scope of prawn culture in India. Mention commercially viable and cultivable species of fresh water and brackish water prawns. (IAS 2015 Marks,15 Marks)

Zoology 8c What are transgenic animals? How are they produced? Explain their contributions to human welfare. Comment on ethical concerns in relation to transgenesis. (IAS 2015 Marks,20 Marks)