Zoology IAS Paper 1 UPSC 2016 with Solutions

Zoology Paper 1 UPSC 2016 - Question Paper with Solutions 

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SEC TION-A

1. Answer the following in about 150 words each:

Zoology 1a Explain phenomenon of Torsion and detorsion in gastropods and also write their significance.(IAS 2016, 10 Marks)

Zoology 1b Define migration and its causes. Discuss the migration of Anadromous Catadromous fishes. (IAS 2016, 10 Marks)

Zoology 1c Give an account of mutable connective tissue. (IAS 2016, 10 Marks)

Zoology 1d Give an account of Conjugation in Paramecium and its significance. (IAS 2016, 10 Marks)

Zoology 1e Give an account of calcium homeostasis in mammals. (IAS 2016, 10 Marks)

Zoology 2a Explain various types of canal systems in Porifera. Also give their importance. (IAS 2016, 20 Marks)

Zoology 2b Give general characters of phylum platyhelminthes. Classify it giving the main features and examples of each class. (IAS 2016, 15 Marks)

Zoology 2c Give an account of Social behavior in Termites. (IAS 2016, 15 Marks)

Zoology 3a Draw labelled diagrams of basic echinoderm larval forms and describe their evolutionary importance. (IAS 2016, 20 Marks)

Zoology 3b Describe with the help of a suitable diagram, the major structures in the mammalian ear involved in hearing and balance. (IAS 2016, 15 Marks)

Zoology 3c Describe various hormones secreted by Pituitary gland and their role in humans. Also explain feedback mechanisms of hormonal regulation. (IAS 2016, 15 Marks)

Zoology 4a Give an account of Asexual and sexual life phases of Plasmodium vivax in their hosts.  (IAS 2016/20 Marks)

Zoology 4b Explain parental care in amphibians and its significance. (IAS 2016/15 Marks)

Zoology 4c Define coelome. Write the general features and examples of an acoelomate, a pseudocoelomate and a coelomate animal.  (IAS 2016/15 Marks)

SECTION-B

5. Answer the following in about 150 words each:

Zoology 5a List different human-induced changes in the atmosphere. Describe the greenhouse effect and its impact. (IAS 2016/10 Marks)

Zoology 5b Write the principle, working and uses of spectrophotometer. (IAS 2016/10 Marks)

Zoology 5c Define a pest. Describe the life cycle of Pyrilla perpusiella. Add notes on the damage caused by it and its control measures. (IAS 2016/10 Marks)

Zoology 5d Describe kinship and altruistic behavior in animals. (IAS 2016/10 Marks)

Zoology 5e What is correlation? Explain its various types and methods of calculating correlation analysis. (IAS 2016/10 Marks)

Zoology 6a Define ecological succession. Differentiate between primary and secondary succession. Explain various steps involved in the mechanism of ecological succession. (IAS 2016/20 Marks)

Zoology 6b Give an account of biological rhythms and discuss the mechanism of their regulation. (IAS 2016/15 Marks)

Zoology 6c What is meant by Vermiculture? Enlist various species suitable for vermiculture. Also explain techniques and importance of vermicomposting. (IAS 2016/15 Marks)

Zoology 7a Enlist the various biomes of the biosphere and discuss the problems and adaptations of the animals of marine and desert biomes. (IAS 2016/20 Marks)

Zoology 7b Define remote sensing. Explain how it can be used as an effective tool for sustainable development. (IAS 2016/15 Marks)

Zoology 7c What is medical biotechnology? Discuss its role in human welfare. (IAS 2016/15 Marks)

Zoology 8a With the help of suitable examples explain conditioning and imprinting in animals. (IAS 2016/20 Marks)

Zoology 8b Describe the measures of central tendency and measures of dispersion. What is their use in biology? (IAS 2016/15 Marks)

Zoology 8c What is ELISA (enzyme linked immunosorbent assay)? Write its principle and procedure. Add a note on its applications. (IAS 2016/15 Marks)