Zoology IAS Paper 2 UPSC 2017 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 2017 - Question Paper with Solutions
Click on the links for the solutions
SECTION-A
Zoology 1a What is meant by a 'Lamp brush' chromosome? Explain its structure and functional significance. (IAS 2017, 10 Marks)
Zoology 1b What are multiple alleles ? Explain the phenomenon of multiple allelism by giving suitable examples. (IAS 2017, 10 Marks)
Zoology 1c Explain in brief the role of 'isolation' in evolution by giving suitable examples. (IAS 2017, 10 Marks)
Zoology 1d Differentiate between molecular taxonomy and classical taxonomy. (IAS 2017, 10 Marks)
Zoology 1e Explain 'Whole animal cloning' by giving suitable examples. Enumerate the steps involved in whole animal cloning. (IAS 2017, 10 Marks)
Zoology 2a What is protein targetting? Illustrate the same with reference to transport of proteins to plasma membrane. (IAS 2017, 20 Marks)
Zoology 2b What is meant by RFLP? Explain its significance in evolution giving suitable examples. (IAS 2017, 15 Marks)
Zoology 2c What is meant by molecular drive? Explain its significance in evolution giving suitable examples. (IAS 2017, 15 Marks)
Zoology 3a Explain in detail the structural organization and functions of Golgi-Complex. (IAS 2017, 20 Marks)
Zoology 3b Outline the course of evolution of modern-day horse. (IAS 2017, 15 Marks)
Zoology 3c Bring out the differences between prokaryotic and eukaryotic gene organisation. (IAS 2017, 15 Marks)
Zoology 4a Give a brief account of the various theories of 'Origin of Life' on earth. (IAS 2017, 20 Marks)
Zoology 4b What is a ‘CLADE'? Explain the importance of cladistics' in evolution. (IAS 2017, 15 Marks)
Zoology 4c Explain in detail how a DNA molecule gets organized into a chromosome? (IAS 2017, 15 Marks)
SECTION-B
Zoology 5a What are 'Co-enzymes'? Explain their importance in metabolism. (IAS 2017, 10 Marks)
Zoology 5b What is a morphogen? Explain its role in embryonic development. (IAS 2017, 10 Marks)
Zoology 5c Describe the process of digestion and absorption in small intestine. (IAS 2017, 10 Marks)
Zoology 5d What is meant by Rh factor? Explain Rh incompatibility in human beings. (IAS 2017, 10 Marks)
Zoology 5e What are homeotic genes? Explain with the help of suitable examples. (IAS 2017, 10 Marks)
Zoology 6a Give a comprehensive account of gaseous transport in blood. (IAS 2017, 20 Marks)
Zoology 6b Describe the ultrastructure of 'Sarcomere' and explain the process of muscle contraction. (IAS 2017, 15 Marks)
Zoology 6c Explain the process of oogenesis. Discuss the importance of meiotic arrest during oogenesis. (IAS 2017, 15 Marks)
Zoology 7a What is an ‘Organiser’ ? Explain the role of Organiser in axis formation in amphibians. (IAS 2017, 20 Marks)
Zoology 7b Discuss antibodies as key players of humoural immunity. (IAS 2017, 15 Marks)
Zoology 7c Give the structure of cyclic AMP and discuss its role as a second messenger by giving suitable examples. (IAS 2017, 15 Marks)
Zoology 8a Illustrate the organisation of electron transport particles on the inner mitochondrial membrane and explain their role in ATP synthesis. (IAS 2017, 20 Marks)
Zoology 8b What is menopause? Discuss its occurrence, consequences and significance in human females. (IAS 2017, 15 Marks)
Zoology 8c What are stem cells? Discuss their sources, types and applications in human welfare. (IAS 2017, 15 Marks)