Zoology IAS 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 IAS.

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Zoology Paper 1 UPSC 2022 - Question Paper with Solutions 

Click on the links for the solutions

Section - A

1.Write short notes on the following in about 15 Marks0 words each :

Zoology 1a Structure of visual organs of cockroach. (IAS 2022/10 Marks)

Zoology 1b What is meant by symmetry? Write about different types of symmetry in animals. (IAS 2022/10 Marks)

Zoology 1c Structure and functions of endocrine pancreas. (IAS 2022/10 Marks)

Zoology 1d "Cnidoblasts as defensive organs in coelenterates". Justify. (IAS 2022/10 Marks)

Zoology 1e Evolutionary status of Sphenodon. (IAS 2022/10 Marks)

 

Zoology 2a Explain asexual and sexual modes of reproduction in Paramecium. (IAS 2022/20 Marks)

Zoology 2b Write general features of egg laying mammals, pouched mammals and aquatic mammals. (IAS 2022/15 Marks Marks)

Zoology 2c Describe different types of scales in fishes with suitable diagrams. (IAS 2022/15 Marks)

 

Zoology 3a Explain habitat, habits, general features and life cycle of Wuchereria. (IAS 2022/20 Marks)

Zoology 3b Describe different types of canal system found in porifera. Also mention their functions. (IAS 2022/15 Marks Marks)

Zoology 3c Draw a suitable diagram and explain the structure of human eye. (IAS 2022/15 Marks Marks)

 

Zoology 4a Give an account of the origin as well as adaptive radiation of reptiles. (IAS 2022/20 Marks)

Zoology 4b Describe general structure of a mammalian tooth. Also, classify mammalian teeth based on their shape, attachment and succession. (IAS 2022/15 Marks Marks)

Zoology 4c Describe habitat, habits and general features of Herdemania. Write a note on its development. (IAS 2022/15 Marks Marks)

Section - B

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

Zoology 5a What are ecotones? Explain by giving examples. Also write a note on 'edge effect'. (IAS 2022/10 Marks)

Zoology 5b Comment on 'measures of central tendency of data'. (IAS 2022/10 Marks)

Zoology 5c Describe principle, working mechanism and applications of gel electrophoresis. (IAS 2022/10 Marks)

Zoology 5d 'Conditioned learning' in animals. (IAS 2022/10 Marks)

Zoology 5e Klinefelter's syndrome and Turner's syndrome in humans. (IAS 2022/10 Marks)

 

Zoology 6a Describe various types of social groupings in primates. Write a note on importance of social grouping. (IAS 2022/20 Marks)

Zoology 6b i Differentiate between primary and secondary pollutants. (IAS 2022/5 Marks)

Zoology 6b ii Explain primary and secondary treatment of waste water. (IAS 2022/10 Marks)

Zoology 6c What is Chi-square analysis? Explain its applications in biology. (IAS 2022/15 Marks Marks)

 

Zoology 7a What is meant by biodiversity? Explain various means of in situ conservation of biodiversity. (IAS 2022/20 Marks)

Zoology 7b Describe two basic laws of learning. Explain habituation, trial and error learning and latent learning in animals. (IAS 2022/15 Marks Marks)

Zoology 7c Write principle, working mechanism and uses of PCR. (IAS 2022/15 Marks Marks)

 

Zoology 8a Mention the causative agent and means of spread of tuberculosis. Also describe symptoms, diagnosis, treatment and preventive measures of tuberculosis. (IAS 2022/20 Marks)

Zoology 8b Explain biological, non-biological and industrial fixation of nitrogen. (IAS 2022/15 Marks Marks)

Zoology 8c What is gene therapy? Citing suitable examples explain germline and types of somatic cell gene therapy. (IAS 2022/15 Marks Marks)