Zoology IAS Paper 1 UPSC 2019 with Solutions

Zoology Paper 1 UPSC 2019 - Question Paper with Solutions 

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SECTION-A

1. Write short notes on the following in about 150 words:

Zoology 1a General characters and classification of Porifera. (IAS 2019/10 Marks)

Zoology 1b Metagenesis - Does it differ from alternation of generations ? (IAS 2019/10 Marks)

Zoology 1c Parasitic adaptations in Platyhelminthes. (IAS 2019/10 Marks)

Zoology 1d Water Vascular System in Asterias. (IAS 2019/10 Marks)

Zoology 1e Connecting link between Reptiles and Aves. (IAS 2019/10 Marks)

Zoology 2a Give an account of Nutrition in Protozoa. (IAS 2019/20 Marks)

Zoology 2b What do you understand about Torsion and Detorsion in Mollusca? Elucidate. (IAS 2019/15 Marks)

Zoology 2c Give an account on Types of Skulls in Reptilia with the help of relevant diagrams. (IAS 2019/15 Marks)

Zoology 3a Write an account on the Social Behaviour in Apis and Termites. (IAS 2019/20 Marks)

Zoology 3b Describe the external features of Nereis. What is Heteronereis and how does it differ from Nereis? Comment upon Metamerism in Annelida. (IAS 2019/15 Marks)

Zoology 3c Define Migration and describe various types of Migration in Fishes with suitable examples. Comment upon its significance. (IAS 2019/15 Marks)

Zoology 4a Describe the Dentition in Mammals along with relevant diagrams. (IAS 2019/20 Marks)

Zoology 4b Define parental care. Give an illustrated account of parental care in Amphibia. (IAS 2019/15 Marks)

Zoology 4c Describe urinogenital system in both the sexes of Amniotes with the help of diagrams only (No description is required). (IAS 2019/15 Marks)

SECTION 'B'

5. Write short notes on the following in about 150 words:

Zoology 5a Greenhouse effect and its impact on the atmosphere. (IAS 2019/10 Marks)

Zoology 5b Biome. (IAS 2019/10 Marks)

Zoology 5c Pheromones in alarm spreading.(IAS 2019/10 Marks)

Zoology 5d Elephantiasis. (IAS 2019/10 Marks)

Zoology 5e Ultracentrifuge. (IAS 2019/10 Marks)

Zoology 6a What is Biogeochemical cycle? Discuss in detail the Nitrogen cycle. (IAS 2019/20 Marks)

Zoology 6b Explain orientation and navigation with examples in different animals. Add a note on Homing behaviour. (IAS 2019/15 Marks)

Zoology 6c Write the systemic position of a sugarcane pest. Give an account of its life-cycle and the damage caused by this pest. Write a note on its control measures. (IAS 2019/15 Marks)

Zoology 7a Through a labelled diagram show the stages of life history of Mulberry silk worm. Explain various aspects of rearing techniques in sericulture and add a note on different diseases of silk worm. (IAS 2019/20 Marks)

Zoology 7b What is community ecology? Explain different stratification in biotic community. Add a note on species abundance and species diversity. (IAS 2019/15 Marks)

Zoology 7c Explain the principle and procedure of "ELISA". Give a note on its application. (IAS 2019/15 Marks)

Zoology 8a Give an account of causes, consequences and control of water pollution. Comment on "Ganga action plan". (IAS 2019/20 Marks)

Zoology 8b What is ANOVA? Differentiate between One-way and Two-way ANOVA. Comment on its application in Biostatistics. (IAS 2019/15 Marks)

Zoology 8c Describe different types of social hierarchies in primates. (IAS 2019/15 Marks)