Indian Forest Service 2025 Zoology Paper II Question Paper PDF

Central Government Jobs Other Jobs 2025

  • Year 2025
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 200
  • Duration Three Hours
  • Languages English

Exam Details

Detail Information
Examination Indian Forest Service (Main) Examination
Year 2025
Conducting Body UPSC
Paper Zoology Paper - II
Subject Zoology
Duration Three Hours
Maximum Marks 200
Number of Questions 8
Question Type Mixed

This is the official question paper for the Indian Forest Service (Main) Examination 2025, specifically Zoology Paper II, conducted by UPSC. The paper consists of eight questions, requiring candidates to attempt five, with compulsory questions and selections from two sections. It is a crucial resource for aspirants preparing for the IFS Main examination, offering insights into the types of questions, marking scheme, and subject coverage in Zoology. Understanding this paper helps in strategizing preparation and identifying key topics for the exam.

Major Topics Covered

  • Zoology
  • Animal Physiology
  • Genetics
  • Evolution
  • Nematodes
  • Fossilization
  • Zoological Nomenclature
  • Mutation
  • Lysosomes
  • Polymorphism
  • Mobile DNA elements
  • Transposition
  • Prokaryotes
  • Elephant Evolution
  • Hardy-Weinberg Law
  • Gene Frequency
  • Chromosomal Aberrations
  • Euchromatin
  • Heterochromatin
  • Taxonomic Keys
  • Golgi Body
  • Gene Expression Regulation

Why This Paper is Important

  • Useful for Indian Forest Service (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

  • Indian Forest Service (Main) 2025 Zoology Paper I
  • Indian Forest Service (Main) 2024 Zoology Paper II
  • Indian Forest Service (Main) 2025 General Studies Paper I
  • Indian Forest Service (Main) 2025 Zoology Paper II Answer Key
  • Indian Forest Service (Main) Zoology Syllabus
  • UPSC Main Exam Syllabus
  • Indian Forest Service (Main) Exam Pattern
  • UPSC Main Exam Pattern

Instructions

  • There are EIGHT questions in all, out of which FIVE are to be attempted.
  • Out of the remaining SIX questions, THREE are to be attempted selecting at least \overline{ONE} question from each of the two Sections A and B.
  • 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.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in ENGLISH only.
  • Neat sketches may be drawn, wherever required.

Questions (page 2)

Q2. What are lysosomes ? Give an illustrated account on polymorphism in lysosomes. Define mobile DNA elements. Explain the general structure and mechanism of transposition of IS elements in prokaryotes. Give an illustrated account on evolutionary history of Elephant.

Q3. Describe the assumptions and applications of Hardy-Weinberg law in calculating gene frequency. Define chromosomal aberrations. Describe different types of chromosomal aberrations with suitable examples. Differentiate between Euchromatin and Heterochromatin.

Q4. Describe the different kinds of taxonomic keys and mention their merits and demerits. Describe the ultrastructure and functions of Golgi Body. How does the regulation of gene expression occur in prokaryotes ?

Question paper preview

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Indian Forest Service (Main) 2025 Zoology Paper II question paper page 1 instructions scan PDF download
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Indian Forest Service (Main) 2025 Zoology Paper II question paper page 1 instructions scan PDF download

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Frequently asked questions

What is the name of the exam?

The exam is the Indian Forest Service (Main) Examination.

What is the year of this question paper?

The year of this question paper is 2025.

Which paper is this question paper for?

This is for Zoology Paper - II.

Who conducts the Indian Forest Service (Main) Examination?

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

What is the subject of this paper?

The subject is Zoology.

How many questions are in this paper?

There are eight questions in total.

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