Visakha Prashar
September 19, 2024 11:00
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Look at the UPSC optional Zoology syllabus, recommended books, topper stories, and frequently asked questions. Download PDF notes & question papers.
UPSC Mains examination include optional papers and Zoology is one of the optional subjects mentioned in the list of optional subjects. Zoology is centered around the biology of animals, from the smallest cells to entire ecosystems. In this article we will try to look at what Zoology offers as an optional subject for UPSC, covering its syllabus, relevance, and why it could be a great choice for candidates.
Zoology Optional Subject in UPSC is the scientific study of animals, covering various aspects such as anatomy, physiology, behavior, biochemistry, genetics, biotechnology, ecology, and evolution. It is a technical subject, and therefore, it is recommended primarily for life science and medical graduates due to its specialized nature.
The Zoology Optional paper generally consists of two papers – Paper I and Paper II. Both papers are designed to assess the candidate’s understanding of concepts and their analytical abilities. Paper I is mostly numerical based and Paper II is more theoretical. Each paper is allocated 250 marks. Paper I is asked in two sections.
Both sections have four questions. Question 1 from section 1 and Question 5 from section 2 are compulsory. Out of the remaining 6 questions, candidates are allowed to choose their questions. Here, Candidates have to apply their strategy by picking the most mark-fetching questions where they feel they can write the best answer. Here is the exam pattern for Zoology optional for UPSC:
| Zoology Optional Subject for UPSC Mains Exam Pattern | |
| Particular | Details |
| Total Papers | Two, Paper I and Paper II |
| Total Marks | 500 (250 Each) |
| Time allowed | 3 Hours for each paper |
| Sections | Section A and Section B |
| Questions | Total 8 questions with subparts |
| Compulsory Question | Question No. 1 and 5 |
| Marks Distribution | 10, 15, and 20 marker questions |
The Zoology optional syllabus for UPSC covers a wide range of topics, including anatomy, physiology, genetics, ecology, and evolution. Zoology Optional Syllabus mainly focuses on the world of animal biology, providing insights into the diverse life forms and their interactions. From understanding the basics of cellular processes to exploring the dynamics of ecosystems, this syllabus equips aspirants with a holistic understanding of the animal kingdom, making it an enriching choice for UPSC preparation. Here we will try to analyse the syllabus of different papers i.e Paper I and Paper II.
UPSC Zoology Optional Paper 1 covers a list of topics which are mentioned below.
| Topic | Subtopic |
| 1. Non-chordata and Chordata |
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| 2. Ecology |
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| 3. Ethology |
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| 4. Economic Zoology |
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| 5. Biostatistics |
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| 6. Instrumentation methods |
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| Topics | Subtopics |
| 1. Cell Biology |
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| 2. Genetics |
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| 3. Evolution |
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| 4. Systematics |
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| 5. Biochemistry |
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| 6. Physiology (with special reference to mammals) : |
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| 7. Developmental Biology |
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Analyzing previous years’ question papers is essential for understanding the pattern and scope of questions asked in the UPSC examination. Aspirants opting for Zoology as an optional subject should familiarize themselves with past question papers to identify recurring themes, important topics, and the level of depth expected by the examiners.
| Year | UPSC Zoology Optional Question Papers PDF Link |
| 2023 | UPSC Zoology Optional Paper 1 |
| 2022 | UPSC Zoology Optional Question Paper 1
UPSC Zoology Optional Question Paper 2 |
| 2021 | UPSC Zoology Optional Question Paper 1
UPSC Zoology Optional Question Paper 2 |
| 2020 | UPSC Zoology Optional Question Paper 1
UPSC Zoology Optional Question Paper 2 |
| 2019 | UPSC Zoology Optional Question Paper 1
UPSC Zoology Optional Question Paper 2 |
| 2018 | UPSC Zoology Optional Question Paper 1
UPSC Zoology Optional Question Paper 2 |
Comprehensive and well-organized notes play a crucial role in the preparation of any optional subject for UPSC. Aspirants can find numerous sources of study materials, notes, and resources online and offline to aid their preparation for Zoology optional. Additionally, joining online forums or study groups can facilitate the exchange of notes and discussion of complex topics.
The suitability of Zoology as an optional subject for UPSC varies from candidate to candidate. It is a good option for individuals with a background in biological sciences or a keen interest in the subject matter. However, candidates should also consider their aptitude, availability of study materials, and coaching support before finalizing their optional subject.
There are several advantages and disadvantages to choosing Zoology as an optional subject for competitive exams like UPSC.
Zoology can be a rewarding optional subject for UPSC aspirants with a science background and an interest in the field. Its well-defined syllabus, potential for scoring, and overlap with GS papers offer advantages. However, the vast syllabus, technical nature, and potentially limited study materials can be drawbacks to consider. It is advised to carefully weigh your strengths, interests, and available resources before making your decision.
| Paper I | Paper II |
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Aspirants often seek PDF versions of Zoology optional notes for convenience and accessibility. Numerous websites and online platforms offer downloadable PDFs of study materials, handwritten notes, and reference books specifically tailored for UPSC Zoology optional. Here is the list of toppers who have achieved good rank in UPSC IAS Exam.
| Name | UPSC Exam Year | Rank/Marks |
| Smriti Mishra | 2022 | AIR 4 (281 Marks) |
| Anup Das | 2022 | AIR 38 (306 Marks) |
| Pusapati Sahitya | 2021 | AIR 24 (278 Marks) |
| Prasad Shinde | 2019 | AIR 287 (274 Marks) |
| Kajal Jawla | 2018 | AIR 28 (303 Marks) |
| Pooja Yadav | 2018 | AIR 174 (325 Marks) |
The table below offers a comprehensive overview of the success rate achieved by candidates who opted for Zoology throughout the year.
| UPSC Zoology Optional Success Rate | |||
| Year | Number of Candidates with Zoology Optional | Number of Candidates Selected | Success Rate (%) |
| 2021 | 49 | 4 | 8.16% |
| 2020 | 44 | 5 | 12.20% |
| 2019 | 44 | 4 | 9.10% |
| 2018 | 43 | 6 | 14% |
| 2017 | 55 | 1 | 1.80% |
Preparing for Zoology Optional in the UPSC Civil Services Examination requires a systematic and comprehensive approach. Here’s a step-by-step guide on how to prepare for Zoology Optional:
Zoology as an optional subject for UPSC offers a fascinating journey into the world of animal biology, evolution, and ecology. With thorough preparation, dedication, and a clear understanding of the syllabus, aspirants can excel in this subject and enhance their chances of success in the UPSC examination.
| Must Read | |
| NCERT Notes For UPSC | UPSC Daily Current Affairs |
| UPSC Blogs | UPSC Daily Editorials |
| Daily Current Affairs Quiz | Daily Main Answer Writing |
| UPSC Mains Previous Year Papers | UPSC Test Series 2024 |
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