UPSC Civil Services Main 2023 Zoology Paper I Question Paper PDF

Central Government Jobs Administrative / Civil Services 2023

  • Year 2023
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination Civil Services (Main) Examination
Year 2023
Conducting Body UPSC
Paper Zoology (Paper–I)
Subject Zoology
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This is the Zoology Paper I for the UPSC Civil Services (Main) Examination held in 2023. The paper carries a maximum of 250 marks and candidates are allowed three hours to complete it. It consists of eight questions divided into two sections, with specific instructions on attempting compulsory and optional questions. This paper is crucial for candidates aiming for administrative services, providing a detailed assessment of their knowledge in core zoological concepts. Aspirants can use this question paper to understand the exam's structure, question types, and marking scheme, aiding in their preparation strategy. This previous year CIVIL SERVICES (MAIN) EXAMINATION, 2023 question paper (2023) is useful for Administrative / Civil Services aspirants preparing for Central government recruitment. The paper was conducted by UPSC and reflects the official exam pattern, marking scheme and difficulty level seen in recent cycles. Use it for timed practice, topic-wise revision and understanding how questions are framed in the real examination. Download the free PDF on QuizCurrent to read instructions, attempt MCQs and compare your answers with the study notes provided on this page. Key syllabus areas include Erythrocytic schizogony, Statocyst of medusa, Evolutionary status of Onychophora, Neoteny, Migration in birds, Conjugation in Paramecium, Life cycle of leech, Respiratory organs and mechanism in cockroach. Useful for CIVIL SERVICES (MAIN) EXAMINATION preparation. Helps understand the latest exam pattern. Useful for practice and self-assessment.

Major Topics Covered

  • Erythrocytic schizogony
  • Statocyst of medusa
  • Evolutionary status of Onychophora
  • Neoteny
  • Migration in birds
  • Conjugation in Paramecium
  • Life cycle of leech
  • Respiratory organs and mechanism in cockroach
  • Taenia: general features, life cycle, pathogenicity
  • Origin of mammals
  • Perivisceral coelom and endoskeleton of Asterias

Why This Paper is Important

  • Useful for CIVIL SERVICES (MAIN) EXAMINATION preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • Zoology Paper II
  • General Studies Paper I
  • General Studies Paper II
  • Essay Paper
  • UPSC Civil Services Main 2023 Zoology Paper I Answer Key
  • UPSC Civil Services Main Zoology Syllabus
  • UPSC Main Exam Syllabus
  • UPSC Civil Services Main Exam Pattern

Instructions

  • इसमें आठ प्रश्न हैं जो दो खण्डों में विभाजित हैं तथा हिन्दी और अंग्रेजी दोनों में छपे हुए हैं।
  • परीक्षार्थी को कुल पाँच प्रश्नों के उत्तर देने हैं।
  • प्रश्न संख्या 1 और 5 अनिवार्य हैं तथा बाकी प्रश्नों में से प्रत्येक खण्ड से कम-से-कम एक प्रश्न चुनकर तीन प्रश्नों के उत्तर दीजिए।
  • प्रत्येक प्रश्न/भाग के लिए नियत अंक उसके सामने दिए गए हैं।
  • प्रश्नों के उत्तर उसी प्राधिकृत माध्यम में लिखे जाने चाहिए, जिसका उल्लेख आपके प्रवेश-पत्र में किया गया है, और इस माध्यम का स्पष्ट उल्लेख प्रश्न-सह-उत्तर (क्यू० सी० ए०) पुस्तिका के मुखपृष्ठ पर निर्दिष्ट स्थान पर किया जाना चाहिए।
  • प्राधिकृत माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे।
  • प्रश्नों में शब्द-सीमा, जहाँ विनिर्दिष्ट है, का अनुसरण किया जाना चाहिए।
  • जहाँ भी आवश्यक समझा जाए, वहाँ अपने उत्तरों को उपयुक्त रेखाचित्रों एवं आरेखों सहित स्पष्ट कीजिए।
  • प्रश्नों के प्रयासों की गणना क्रमानुसार की जाएगी।
  • आंशिक रूप से दिए गए प्रश्नों के उत्तर को भी मान्यता दी जाएगी यदि उसे काटा न गया हो।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़े गए कोई पृष्ठ अथवा पृष्ठ के भाग को पूर्णतः काट दीजिए।

  • There are EIGHT questions divided in two Sections and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Question Nos. 1 and 5 are compulsory and out of the remaining, THREE are to be attempted choosing at least ONE question from each Section.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
  • No marks will be given for answers written in a medium other than the authorized one.
  • Word limit in questions, wherever specified, should be adhered to.
  • Illustrate your answers with suitable sketches and diagrams, wherever considered necessary.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.

Questions (page 2)

Section A

Q1. निम्नलिखित में से प्रत्येक पर 150 शब्दों में संक्षिप्त टिप्पणी लिखिए: Write short notes on the following in about 150 words each :

(a) रक्ताण्विक विखंडनीजनन
Erythrocytic schizogony

(b) मेड्यूसा की संतुलन-पुटी (स्टेटोसिस्ट)
Statocyst of medusa

(c) ओनिकोफोरा की विकासवादी स्थिति
Evolutionary status of Onychophora

(d) चिरभ्रूणता
Neoteny

(e) पक्षियों में प्रवास
Migration in birds

Section A

Q2.

(a) संयुग्मन को परिभाषित कीजिए। पैरामीशियम में संयुग्मन की क्रियाविधि की व्याख्या कीजिए। इसका महत्त्व भी बताइए।
Define conjugation. Explain the mechanism of conjugation in Paramecium. Also give its significance.

(b) जोंक के जीवन-चक्र की विभिन्न अवस्थाओं का उपयुक्त चित्र की सहायता से वर्णन कीजिए।
Describe the different stages of life cycle of leech with the help of suitable diagram.

(c) तिलचट्टा (कॉक्रोच) में श्वसन अंगों और श्वसन की क्रियाविधि का वर्णन कीजिए।
Describe the respiratory organs and mechanism of respiration in cockroach.

Section A

Q3.

(a) टीनिया के सामान्य लक्षणों, जीवन-चक्र और रोगजनकता का वर्णन कीजिए।
Explain the general features, life cycle and pathogenicity of Taenia.

(b) स्तनधारियों की उत्पत्ति का सचित्र विवरण दीजिए।
Give an illustrated account of origin of mammals.

(c) ऐस्टीरिऐस के पर्यंतरंग प्रगुहा और अंतःकंकाल का वर्णन कीजिए।
Describe the perivisceral coelom and endoskeleton of Asterias.

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Frequently asked questions

What is the name of the exam for which this paper is conducted?

This paper is for the Civil Services (Main) Examination.

What is the subject and paper code for this question paper?

The subject is Zoology, and the paper is Paper-I with the code SKYC-U-ZOLY/20.

What is the conducting body for the Civil Services (Main) Examination?

The conducting body is UPSC (Union Public Service Commission).

What is the maximum marks for Zoology Paper-I?

The maximum marks for Zoology Paper-I is 250.

What is the time duration allowed for this paper?

The time allowed for this paper is Three Hours.

How many questions are there in Zoology Paper-I?

There are eight questions in total, divided into two sections.

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