Zoology IFS Paper 1 UPSC 2013 with Solutions
In this article, all questions of Zoology Optional Paper 1 are answered. Click on the question links to view the answers.
This article is part of Synopsis IAS Zoology Optional Course for UPSC IFS.
Zoology Optional UPSC Forest Service Paper 1 2013
Click on the links for the solutions
SECTION A
1. Write a brief note on each of the following:
Zoology 1(a) Dentition in mammals. (IFS 2013, 8 Marks)
Zoology 1(b) Branchiostoma. (IFS 2013, 8 Marks)
Zoology 1(c) Parasitic adaptation in Taenia. (IFS 2013, 8 Marks)
Zoology 1(d) Air sacs in pigeon. (IFS 2013, 8 Marks)
Zoology 1(e) Nutrition in Protozoa. (IFS 2013, 8 Marks)
Zoology 2(a) Give an account of various types of canal systems. (IFS 2013, 15 Marks)
Zoology 2(b) What is metagenesis? Describe the structure and life history of Obelia. (IFS 2013, 15 Marks)
Zoology 2(c) Draw neat labelled diagrams of any four larval forms of Crustacea. (Description not required). (IFS 2013, 10 Marks)
Zoology 3(a) Describe the phenomenon of metamorphosis with reference to insects, and add a note on its hormonal regulation. (IFS 2013, 15 Marks)
Zoology 3(b) Give an illustrated account of comparative anatomy of vertebrate urinogenital system. (IFS 2013, 15 Marks)
Zoology 3(c) Describe the shell diversity encountered in molluscs. (IFS 2013, 10 Marks)
Zoology 4(a) Discuss the role of reproductive endocrines in life of vertebrates, and add a note on regulation of such glands. (IFS 2013, 20 Marks)
Zoology 4(b) Illustrate comparative functional anatomy of heart with reference to reptiles, birds and mammals. (IFS 2013, 20 Marks)
SECTION-B
5. Write a brief note on each of the following:
Zoology 5(a) Social behaviour in Primates. (IFS 2013, 8 Marks)
Zoology 5(b) Project Tiger. (IFS 2013, 8 Marks)
Zoology 5(c) Pearl culture. (IFS 2013, 8 Marks)
Zoology 5(d) SEM. (IFS 2013, 8 Marks)
Zoology 5(e) Null hypothesis. (IFS 2013, 8 Marks)
Zoology 6(a) Describe the propagation of lac insects through various cultivation practices, adding a note on lac extraction and uses of this product. (IFS 2013, 20 Marks)
Zoology 6(b) Discuss the importance of IPM in sustainable agricultural production. (IFS 2013, 20 Marks)
Zoology 7(a) Give an account of the damage caused to farm animals by arthropod pests, and add a note on their control. (IFS 2013, 20 Marks)
Zoology 7(b) Elaborate on how circadian rhythms govern the life of animals. (IFS 2013, 20 Marks)
Zoology 8(a) Describe the principle, working and application of transmission electron microscope.(IFS 2013, 20 Marks)
Zoology 8(b) Give an account of regression analysis emphasizing its salient features. (IFS 2013, 20 Marks)