Zoology IAS Paper 2 UPSC 2019 with Solutions
In this article, all questions of Zoology Optional Paper 2 are answered. Click on the question links to view the answers.
This article is part of Synopsis IAS Zoology Optional Course for UPSC IAS.
Zoology Paper 2 UPSC 2019 - Question Paper with Solutions
Click on the links for the solutions
SECTION-A
1. Answer the following:
Zoology 1a What is transcription? Explain the process of transcription in a eukaryote. (IAS 2019/10 Marks)
Zoology 1b Explain the use of ribozyme technology for the treatment of diseases. (IAS 2019/10 Marks)
Zoology 1c What is an artificial chromosome vector? Give its application. (IAS 2019/10 Marks)
Zoology 1d Write a chronological account of human evolution as evidenced by palaeontological records. (IAS 2019/10 Marks)
Zoology 1e Explain the Stanley Miller's experiment related to origin of life. (IAS 2019/10 Marks)
Zoology 2a Differentiate between genomics and proteomics. (IAS 2019/20 Marks)
Zoology 2b Explain the isolation and methodology of study of the cell membrane. (IAS 2019/15 Marks)
Zoology 2c Explain the biochemical composition of cell membrane. (IAS 2019/15 Marks)
Zoology 3a Justify the statement, "Linkage and recombination play significant role in the process of inheritance". (IAS 2019/20 Marks)
Zoology 3b Explain that cell cycle is fully based on molecular events. (IAS 2019/15 Marks)
Zoology 3c Delineate the structural and functional characteristics of polytene chromosome. (IAS 2019/15 Marks)
Zoology 4a Elucidate the process of continental drift and its impacts on animal diversity. (IAS 2019/20 Marks)
Zoology 4b Discuss the role of molecular techniques in the study of contemporary systematics. (IAS 2019/15 Marks)
Zoology 4c Sequentially explain the process of apoptosis. (IAS 2019/15 Marks)
SECTION-B
5. Write short notes on the following:
Zoology 5a Watson and Crick model of DNA. (IAS 2019/10 Marks)
Zoology 5b Secondary structure of proteins. (IAS 2019/10 Marks)
Zoology 5c Structural account of mammalian internal ear. (IAS 2019/10 Marks)
Zoology 5d Physiology of action potential. (IAS 2019/10 Marks)
Zoology 5e Ontogeny recapitulates phylogeny. (IAS 2019/10 Marks)
Zoology 6a Define and explain the 'Michaelis-Menten equation', and write its significance in enzyme kinetics. (IAS 2019/20 Marks)
Zoology 6b Explain the structure and functions of IgG immunoglobulin. (IAS 2019/15 Marks)
Zoology 6c Enlist and describe the types and mechanical properties of muscle fibres. (IAS 2019/15 Marks)
Zoology 7a Give a brief account of tropic hormones which affect the endocrine glands. (IAS 2019/20 Marks)
Zoology 7b Tabulate and describe the digestive enzymes, their occurrence, substrates and end products. (IAS 2019/15 Marks)
Zoology 7c Make a diagrammatic presentation of Krebs' cycle. (IAS 2019/15 Marks)
Zoology 8a Give a brief account of in vitro fertilization (IVF) techniques used for mammals. (IAS 2019/20 Marks)
Zoology 8b Explain the structure and functions of haemoglobin. (IAS 2019/15 Marks)
Zoology 8c Illustrate the process of development during gastrulation in a chick embryo. (IAS 2019/15 Marks)