Zoology IFS Paper 1 UPSC 2022 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 2022
Click on the links for the solutions
SECTION A
1. Write a brief account on each of the following:
Zoology 1(a) Statocysts of Medusa (IFS 2022/8 Marks)
Zoology 1(b) Erythrocytic Schizogony (IFS 2022/8 Marks)
Zoology 1(c) Canal System in Sponges (IFS 2022/8 Marks)
Zoology 1(d) Origin of Tetrapods (IFS 2022/8 Marks)
Zoology 1(e) Flight adaptations in Birds (IFS 2022/8 Marks)
Zoology 2(a) Define conjugation. Diagrammatically explain the mechanism of conjugation in Paramecium. (IFS 2022/15 Marks)
Zoology 2(b) What is metagenesis? Explain metagenesis with reference to the life cycle of Obelia. (IFS 2022/15 Marks)
Zoology 2(c) Give an illustrated account of life history of Branchiostoma. (IFS 2022/10 Marks)
Zoology 3(a) Explain the structural organisation of adrenal gland in mammals Describe its hormones and their functions. (IFS 2022/15 Marks)
Zoology 3(b) Define metamorphosis. Explain the hormonal control of metamorphosis in insects. (IFS 2022/15 Marks)
Zoology 3(c) Describe the structure and phylogenetic significance of Trochophore larva. (IFS 2022/10 Marks)
Zoology 4(a) What are coral reefs ? Describe the formation and types of coral reefs found all over the world. (IFS 2022/15 Marks)
Zoology 4(b) Describe the structure of human eye. Explain the mechanism of vision in humans. (IFS 2022/15 Marks)
Zoology 4(c) Describe the water vascular system of Asterias. (IFS 2022/10 Marks)
SECTION B
5. Write a brief account on each of the following:
Zoology 5(a) Biological clock and its significance (IFS 2022/8 Marks)
Zoology 5(b) Smallpox causes and pathogenicity (IFS 2022/8 Marks)
Zoology 5(c) Ecotones and edge effect (IFS 2022/8 Marks)
Zoology 5(d) Courtship behaviour in birds (IFS 2022/8 Marks)
Zoology 5(e) "Forests are an important natural resource." Comment (IFS 2022/8 Marks)
Zoology 6(a) Describe the phenomenon of learning, instinct and imprinting in animals, with suitable examples. (IFS 2022/15 Marks)
Zoology 6(b) What is Sericulture? Describe its methods and significance. Also add a note on silkworm diseases. (IFS 2022/15 Marks)
Zoology 6(c) Differentiate between SEM and TEM. (IFS 2022/10 Marks)
Zoology 7(a) What is Pollution? Explain the sources, impacts and preventive measures of noise pollution. (IFS 2022/15 Marks)
Zoology 7(b) Name the causative organism and vector of plague. Explain its pathogenesis and its control measures (IFS 2022/15 Marks)
Zoology 7(c) Discuss the role of ticks and mites in cattle and livestock diseases. (IFS 2022/10 Marks)
Zoology 8(a) What is Integrated Pest Management? Describe the different strategies of integrated pest management employed in agriculture. (IFS 2022/15 Marks)
Zoology 8(b) Describe the principle, working and applications of Scintillation counter. (IFS 2022/15 Marks)
Zoology 8(c) Describe null hypothesis in context to chi-square analysis. (IFS 2022/10 Marks)