Zoology IAS Paper 1 UPSC 2014 with Solutions

Zoology Paper 1 UPSC 2014 - Question Paper with Solutions 

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SECTION-A

1. Answer the following in about 150 words each:

Zoology 1a Describe the organs and mode of locomotion in Paramoecium. (IAS 2014,10 Marks)

Zoology 1b Give an account of the structure of cnidoblast and various types of nematocysts of Hydra.  (IAS 2014,10 Marks)

Zoology 1c Draw a transverse sectional diagram of female Ascaris and label it. (IAS 2014,10 Marks)

Zoology 1d Describe the different types of skulls in Reptitlia with the help of labelled diagrams. (IAS 2014,10 Marks)

Zoology 1e Differentiate the structural variation of mouthparts in Insecta diagrammatically and label them.  (IAS 2014,10 Marks)

Zoology 2a "Balanoglossus is the forerunner of chordates" – Justify the statement. (IAS 2014,15 Marks)

Zoology 2b What is Parasitism? Give an account of the life cycle of Wucheraria bancrofti and add a note on the pathogenicity and control of the disease caused by this parasite. (IAS 2014,15 Marks)

Zoology 2c Make a labelled diagrammatic representation of the basic forms and diversities in Echinoderm larvae and describe their evolutionary significance. (IAS 2014,20 Marks)

Zoology 3a Describe "Torsion and Detorsion" in Gastropoda. Add a note on the significance of this phenomenon. (IAS 2014,15 Marks)

Zoology 3b With the help of labelled diagrams describe the embryonic disposition and modification of aortic arches in different vertebrates. (IAS 2014,20 Marks)

Zoology 3c Differentiate the basic characters of cartilaginous and Bony fishes with relevant diagrams. (IAS 2014,15 Marks)

Zoology 4a What do you mean by Retrogressive metamorphosis? Give an illustrated account of the Gonads, developmental sequences and metamorphosis in Herdmania. (IAS 2014,20 Marks)

Zoology 4b Describe the Integumentary derivatives in Mammals along with labelled diagrams. (IAS 2014,15 Marks)

Zoology 4c Give an elaborate account on the Migration of Birds. Add a note on the problems faced by them during migration. (IAS 2014,15 Marks)

SECTION-B

5. Answer the following in about 150 words each:

Zoology 5a Distinguish between edge, border and ecotone. Why do edges and ecotones often support a greater diversity of species than the adjoining communities?  (IAS 2014,10 Marks)

Zoology 5b What do you understand about conditioning? Explain with relevant examples.  (IAS 2014,10 Marks)

Zoology 5c Give an account of "Analysis of variance" and mention its significance.  (IAS 2014,10 Marks)

Zoology 5d How are pearls cultured? Describe the economic importance of Pearl Culture.  (IAS 2014,10 Marks)

Zoology 5e Differentiate between the Phase Contrast and Fluorescent Microscopy.  (IAS 2014,10 Marks)

Zoology 6a Define sustainable development. What are the merits of remote sensing in sustainable development? Give examples. (IAS 2014,20 Marks)

Zoology 6b Give an elaborate account on AIDS. (IAS 2014,15 Marks)

Zoology 6c Describe the Predator-Prey relationship with suitable examples. (IAS 2014,15 Marks)

Zoology 7a Distinguish between a dominant and keystone species. Add a note on the crucial role played by the keystone species on the community structure and structure of a food web. (IAS 2014,20 Marks)

Zoology 7b Give an account on "correlation analysis", its application and significance. (IAS 2014,15 Marks)

Zoology 7c Describe the principle, structure and function of Liquid scintillation counter and mention its application. (IAS 2014,15 Marks)

Zoology 8a Give an account of Orientation, Navigation and Homing behaviour in animals with suitable examples. (IAS 2014,20 Marks)

Zoology 8b What is the ozone layer? Describe the mechanism of degradation of the ozone layer and its impact. (IAS 2014,15 Marks)

Zoology 8c Describe the principal steps in Apiculture and add a note on various aspects of its rearing techniques. (IAS 2014,15 Marks)