How many questions are there in total in Zoology Paper I?

There are a total of 8 questions in Zoology Paper I.

How many questions need to be attempted in Zoology Paper I?

Candidates need to attempt 5 questions out of the 8.

Are there any compulsory questions in this paper?

Yes, Question 1 and Question 5 are compulsory.

What is the language of the answers required for this paper?

Answers must be written in English only.

Can I download the Indian Forest Service 2018 Zoology Paper I?

Yes, you can typically find and download the official question paper in PDF format from reputable educational websites.

What type of questions are included in Zoology Paper I?

Zoology Paper I includes a mix of descriptive and short-answer questions, as indicated by the structure and the requirement to write brief accounts and explanations.

Indian Forest Service 2018 Zoology Paper I Question Paper PDF

Name: Indian Forest Service 2018 Zoology Paper I Question Paper PDF
Creator: UPSC
Keywords: Indian Forest Service 2018 Zoology Paper I, IFS Main 2018 Zoology Question Paper, UPSC IFS Zoology Paper I PDF, 2018 Zoology Paper I Exam Paper, Indian Forest Service Zoology Previous Year Paper

Central Government Jobs Other Jobs 2018

Year 2018
Conducted By UPSC
Questions 8
Maximum Marks 200
Duration Three Hours
Languages English

Exam Details

Detail	Information
Examination	Indian Forest Service (Main) Examination
Year	2018
Conducting Body	UPSC
Paper	Zoology Paper - I
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 2018, specifically for Zoology Paper I. Conducted by UPSC, this paper tests candidates' in-depth knowledge of Zoology. It consists of 8 questions, of which 5 are to be attempted, with questions 1 and 5 being compulsory. Candidates must select at least one question from each of the two sections (A and B) from the remaining six. The exam is designed to assess a comprehensive understanding of zoological concepts, with a total maximum mark of 200 and a duration of three hours. This paper is crucial for aspirants preparing for the IFS Main examination.

Major Topics Covered

Protozoan locomotion
Spicules in Porifera
Nematodes adaptations
Branchiostoma feeding
Pedomorphosis in Amphibia
Conjugation in Paramoecium
Metagenesis in Obelia
Sphenodon
Insect metamorphosis
Juvenile Hormone
Accessory respiratory structures in fishes
Emergency hormone
Aortic arches in Vertebrates
Peripatus
Amphibious molluscs

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) Examination 2017 Zoology Paper I
Indian Forest Service (Main) Examination 2019 Zoology Paper I
Indian Forest Service (Main) Examination 2018 Zoology Paper II
Indian Forest Service 2018 Zoology Paper I Answer Key
Indian Forest Service Zoology Syllabus
UPSC Main Exam Syllabus
Indian Forest Service 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.
Write a brief account of the following: 8x5=40 Sol-gel hypothesis of protozoan locomotion (a) 8 Spicules in Porifera (b) 8 (c) Parasitic mode adaptations in nematodes Ciliary mode of feeding in Branchiostoma (d) 8 (e) Phenomenon of Pedomorphosis in Amphibia 8

Questions (page 2)

Q2.

(a) Schematically present the process of conjugation in Paramoecium sp. Comment on its biological significance.

(b) Define metagenesis. Elaborate the process of metagenesis in Obelia with suitable diagram.

Q3.

(a) Explain the neuro-endocrine regulation of insect metamorphosis with suitable illustrations. Comment on the role of JH (Juvenile Hormone) in insect metamorphosis.

(b) Give an account of accessory respiratory structures in fishes with a note on their biological significance.

Q4.

(a) Give a comparative account of aortic arches in different Vertebrates with suitable illustrations.

(b) Peripatus is a living connecting link between Annelida and Arthropoda. Explain.

Question paper preview

Scanned pages 1–2 for reference. Download the official PDF for the full paper.

Indian Forest Service Main 2018 Zoology Paper I question paper page 1 scan PDF download. UPSC IFS 2018 Zoology Paper I exam instructions and header. — Page 1

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Frequently asked questions

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

This question paper is from the Indian Forest Service (Main) Examination.

Which year is this Indian Forest Service question paper from?

This question paper is from the year 2018.

Who conducts the Indian Forest Service Examination?

The Indian Forest Service Examination is conducted by the UPSC (Union Public Service Commission).

What is the subject of this paper?

The subject of this paper is Zoology, specifically Paper I.

What is the maximum marks for Zoology Paper I?

The maximum marks for Zoology Paper I is 200.

What is the time duration allowed for this paper?

The time allowed for this paper is Three Hours.

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