Civil Services Main 2023 Zoology Paper II 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 II)
Subject Zoology
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This document contains the question paper for the Civil Services (Main) Examination, 2023, specifically for Zoology Paper II. Conducted by UPSC, this paper is designed to assess candidates' in-depth knowledge of zoological subjects. It consists of 8 questions divided into two sections, with candidates required to answer five questions in total, including compulsory questions. The paper allows three hours to complete and carries a maximum of 250 marks. Aspirants can use this question paper to understand the exam structure, question complexity, and key topics covered in Zoology for the UPSC Mains.

Major Topics Covered

  • Biodiversity
  • Eukaryotic gene expression
  • Continental drift
  • RFLP
  • Receptor-mediated endocytosis
  • t-RNA structure
  • Translation process
  • Animal cloning
  • Origin of life
  • Stanley Miller experiment
  • Mitochondrion structure
  • Cellular energy production

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 I
  • Botany Paper I
  • Botany Paper II
  • General Studies Paper I
  • General Studies Paper II
  • General Studies Paper III
  • General Studies Paper IV
  • English Language Paper

Instructions

  • 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।
  • 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.
  • 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.
  • Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.

Questions (page 2)

Section A

Q1. Write your answer in about 150 words for each of the following:
निम्नलिखित प्रत्येक के लिए लगभग 150 शब्दों में उत्तर लिखिए:

(a) उन विभिन्न तरीकों के बारे में लिखिए जिनसे जैव-विविधता को खतरा हो रहा है।

Write about different ways by which biodiversity is being threatened.

(b) सुकेंद्रकियों (यूकैर्योटस) में किस प्रकार से एच एन आर.एन.ए. (प्रारंभिक अनुलेख) कार्यात्मक एम-आर.एन.ए. में परिवर्तित होता है ? व्याख्या कीजिए ।

How is hn RNA (primary transcript) modified into functional m-RNA in eukaryotes ? Explain.

(c) "ऐलीगेटर्स एवं फुप्फुस मीनों का असंतत वितरण महाद्वीपीय विस्थापन के परिणामस्वरूप हुआ है"। उचित सिद्ध कीजिए ।

"Continental drift has resulted in discontinuous distribution of alligators and lungfishes". Justify.

(d) आर.एफ.एल.पी. के सिद्धांत एवं इसके प्रयोग के बारे में लिखिए।

Write principle and application of RFLP.

(e) ग्राही-माध्यित अंत:कोशिकता (रिसेप्टर-मीडीयेटेड ऐन्डोसाइटोसिस) का वर्णन इसके लाभ सहित कीजिए ।

Describe receptor-mediated endocytosis (RME) along with its advantage.

Section A

Q2.

(a) टी-आर.एन.ए. की संरचना दीजिए । अनुवाद प्रक्रिया में विभिन्न प्रकार के आर.एन.ए. की भूमिका के बारे में लिखिए ।

Give structure of t-RNA. Write role of different RNAs in the translation process.

(b) संपूर्ण पशु क्लोनन (क्लोनिंग) के सिद्धांत एवं इसकी विधि का वर्णन कीजिए ।

Describe the principle and method of whole animal cloning.

(c) स्टेनले मिलर के प्रयोग की व्याख्या कीजिए । जीवन की उत्पत्ति के सर्वाधिक स्वीकार्य सिद्धांत को इसने किस प्रकार से समर्थन प्रदान किया ?

Explain Stanley Miller experiment. In which way, it provided support to most acceptable theory of origin of life?

Section A

Q3.

(a) सुत्रकणिका (माइटोकॉन्ड्रियोन) की संरचना का वर्णन कीजिए । यह कोशिका का ऊर्जा-घर क्यों जाना जाता है ?

Describe the structure of mitochondrion. Why is it known as powerhouse of the cell?

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Frequently asked questions

What is the name of the exam?

The exam is the Civil Services (Main) Examination.

Which year is this question paper from?

This question paper is from the year 2023.

Who conducts the Civil Services Main Examination?

The examination is conducted by the UPSC (Union Public Service Commission).

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

The subject is Zoology, and the paper is Paper II with the code SKYC-B-ZOLY.

What is the maximum marks for Zoology Paper II?

The maximum marks for Zoology Paper II is 250.

What is the time allowed to complete the Zoology Paper II?

The time allowed to complete Zoology Paper II is Three Hours.

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