UPSC Civil Services Main 2020 Zoology Paper I PDF

Central Government Jobs Other Jobs 2020

  • Year 2020
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination Civil Services (Main) Exam
Year 2020
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 official question paper for the UPSC Civil Services (Main) Exam 2020, specifically for Zoology Paper I. Conducted by the Union Public Service Commission (UPSC), this paper is designed to assess candidates' in-depth knowledge of Zoology. It has a duration of three hours and a maximum of 250 marks. The paper consists of eight questions divided into two sections, with compulsory questions and a requirement to choose a minimum number from each section. This paper is crucial for aspirants aiming to secure a position in the Civil Services through the Mains examination.

Major Topics Covered

  • Zoology
  • Animal Kingdom
  • Invertebrates
  • Vertebrates
  • Evolution
  • Adaptations
  • Life Cycles
  • Morphology

Why This Paper is Important

  • Useful for Civil Services (Main) Exam 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

  • UPSC Civil Services (Main) Exam 2021 Zoology Paper I
  • UPSC Civil Services (Main) Exam 2019 Zoology Paper I
  • UPSC Civil Services (Main) Exam 2020 Zoology Paper II
  • UPSC Civil Services Main 2020 Zoology Paper I Answer Key
  • UPSC Civil Services Main Zoology Syllabus
  • UPSC Mains Exam Syllabus
  • UPSC Civil Services Main Exam Pattern
  • UPSC Mains Exam Structure

Instructions

  • पुस्तिका के मुखपृष्ठ पर निर्दिष्ट स्थान पर किया जाना चाहिए।
  • उल्लिखित 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 उत्तरों की गणना क्रमानुसार की जाएगी।
  • यदि काटा नहीं हो, तो प्रश्न के उत्तर की गणना की जाएगी चाहे वह उत्तर अंशतः दिया गया हो ।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़ा हुआ पृष्ठ या उसके अंश को स्पष्ट रूप से काटा जाना चाहिए ।

  • 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, any 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.
  • 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. निम्नलिखित में से प्रत्येक पर लगभग 150 शब्दों में टिप्पणी लिखिए :
Write notes on the following in about 150 words each :

(a) मोनोसिस्टिस में गैमॉन्टोगैमी
Gamontogamy in Monocystis

(b) स्पंजों में कंकाल
Skeleton in sponges

(c) प्रवाल भित्तियों के निर्माण के आधार पर उनके विभिन्न प्रकारों का वर्णन कीजिए
Describe different kinds of coral reefs on the basis of their formation

(d) प्रोटोथिरीया के सामान्य लक्षणों पर टिप्पणी लिखिए
Write a note on general characters of Prototheria

(e) पक्षियों में उड़ूयन अनुकूलन
Flight adaptations in birds

Section A

Q2.

(a) घरेलू मक्खी, तितली एवं मधुमक्खी के मुखांगों का वर्णन सुचिन्हित चित्रों की सहायता से कीजिए ।
With the help of labelled diagrams, describe the mouth parts of house-fly, butter-fly and honey bee.

(b) नैरिस के जीवन-चक्र की विभिन्न अवस्थाओं का वर्णन उपयुक्त चित्रों की सहायता से कीजिए ।
With the help of suitable diagrams, describe the different stages of life cycle of Nereis.

(c) एस्टीरोइडिया, ओफियूरोइडिया एवं होलोथूरोइडिया में पाये जाने वाले लार्वों का विवरण सुचिन्हित चित्रों की सहायता से प्रस्तुत कीजिए ।
With the help of labelled diagrams, give an account of the larvae found in Asteroidea, Ophiuroidea and Holothuroidea.

Section A

Q3.

(a) रिन्कोसिफैलिया के वितरण, स्वभाव एवं आवास का वर्णन कीजिये। स्फीनोडॉन के लेसरटिलियन तथा क्रोकोडिलियन लक्षणों पर टिप्पणी लिखिए।
Describe the distribution, habits and habitat of Rhynchocephalia. Write a note on crocodilian and lacertilian characters of Sphenodon.

(b) एम्फिबिया की उत्पत्ति को समझाइए तथा एम्फिबिया का उपवर्ग तक लक्षणों एवं उदाहरणों सहित वर्गीकरण करें ।
Explain origin of Amphibia and classify Amphibia up to sub class with characters and examples.

(c) फेसिओला हिपेटिका के जीवन चक्र में पाये जाने वाली विभिन्न लार्वा अवस्थाओं को केवल सुचिन्हित चित्रों के माध्यम से समझाइए (वर्णन की आवश्यकता नहीं है)।
With the help of labelled diagrams only, explain the different larval stages in the life cycle of Fasciola hepatica (No description is required).

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Frequently asked questions

What is the name of the exam?

The exam is the Civil Services (Main) Exam.

Which year is this question paper from?

This question paper is from the year 2020.

Who conducts the Civil Services (Main) Exam?

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

What is the subject of this paper?

This paper is Zoology Paper - I.

What is the maximum marks for this paper?

The maximum marks for this paper are 250.

What is the time allowed for this paper?

The time allowed for this paper is Three Hours.

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