Zoology IAS Paper 1 UPSC 2024 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 2024 - Question Paper with Solutions 

Click on the links for the solutions

SECTION-A

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

Zoology 1a Concept and organization of Coelom. (IAS 2024/10 Marks)

Zoology 1b Metamorphosis in Insects. (IAS 2024/10 Marks)

Zoology 1c Thyroid gland and its functions. (IAS 2024/10 Marks)

Zoology 1d Hepatic Schizogony. (IAS 2024/10 Marks)

Zoology 1e Aquatic mammals and their adaptations. (IAS 2024/10 Marks)


Zoology 2a Explain the general features, life cycle and pathogenicity of Fasciola. (IAS 2024/20 Marks)

Zoology 2b Define Autogamy. Explain the mechanism of autogamy in Paramecium. Also give its significance. (IAS 2024/15 Marks)

Zoology 2c Compare and contrast Telencephalon of the brain in Vertebrates. (IAS 2024/15 Marks)


Zoology 3a Describe the different larval forms of Crustaceans with suitable diagrams. (IAS 2024/20 Marks)

Zoology 3b What are coral reefs? Describe the different theories of coral reef formation. (IAS 2024/15 Marks)

Zoology 3c Describe the evolution of kidney in relation to its function as an excretory organ. (IAS 2024/15 Marks)


Zoology 4a Give an illustrated account of integument and its derivatives in vertebrates with suitable diagrams. (IAS 2024/20 Marks)

Zoology 4b What is Polymorphism? Explain it with respect to life cycle of Obelia. (IAS 2024/15 Marks)

Zoology 4c Describe the respiratory organs and mechanism of respiration in Sepia. (IAS 2024/15 Marks)

SECTION-B

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

Zoology 5a Food Web. (IAS 2024/10 Marks)

Zoology 5b Biological Rhythms. (IAS 2024/10 Marks)

Zoology 5c AIDS. (IAS 2024/10 Marks)

Zoology 5d Chromosome Painting. (IAS 2024/10 Marks)

Zoology 5e Red Data Book. (IAS 2024/10 Marks)


Zoology 6a What is ecological succession? Explain the different types and theories of ecological succession. (IAS 2024/20 Marks)

Zoology 6b Explain Aggressive and Territorial behaviour in animals, with suitable examples. (IAS 2024/15 Marks)

Zoology 6c What are the major carps of India? Describe the polyculture methods of rearing the major carps. (IAS 2024/15 Marks)


Zoology 7a Mention the causative agent and means of spread of malaria. Also describe symptoms, diagnosis, treatment and preventive measures of malaria. (IAS 2024/20 Marks)

Zoology 7b Explain the principle, instrumentation and applications of UV-Visible Spectrophotometer. (IAS 2024/15 Marks)

Zoology 7c How do animals perceive mechanical and olfactory stimuli from the environment? Explain. (IAS 2024/15 Marks)


Zoology 8a Describe the various measures of central tendency of data with suitable examples and discuss their merits and demerits. (IAS 2024/20 Marks)

Zoology 8b Define population. Explain the different characteristics of population. (IAS 2024/15 Marks)

Zoology 8c Write the systematic position of an oilseed pest. Give an account of its life cycle and the damage caused by this pest. Write a note on its control measures. (IAS 2024/15 Marks)