Q2.
(a) Describe morphological structures of Peripatus and discuss its affinities.
(b) What is polymorphism ? Explain different polymorphic forms in Coelenterates.
(c) Describe the life history of Taenia solium and its parasitic adaptation.
Indian Forest Service 2021 Zoology Paper I Question Paper PDF
- Year 2021
- Conducted By UPSC
- Questions 8
- Maximum Marks 200
- Duration Three Hours
- Languages English
Exam Details
| Detail | Information |
|---|---|
| Examination | Indian Forest Service (Main) Examination |
| Year | 2021 |
| 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 question paper for the Indian Forest Service (Main) Examination 2021, specifically for Zoology Paper I. Conducted by UPSC, this paper carries a maximum of 200 marks and allows a time duration of three hours. It comprises eight questions, of which candidates must attempt five, including compulsory questions 1 and 5. The paper is divided into two sections, A and B, requiring candidates to select at least one question from each. This paper is crucial for aspirants aiming to qualify for the Indian Forest Service, providing insights into the exam pattern, difficulty level, and key topics in Zoology.
Major Topics Covered
- Nutrition
- Osmoregulation
- Euglena
- Torsion in Gastropoda
- Ambulacral system
- Asterias
- Archaeopteryx
- Feeding mechanism
- Branchiostoma
- Morphological structures
- Peripatus
- Polymorphism
- Coelenterates
- Life history
- Taenia solium
- Parasitic adaptation
- Aortic arches
- Vertebrates
- Larval forms
- Crustacea
- Prototheria
- Metatheria
- Fish migration
- Neurohypophyseal hormones
- Mammals
- Parental care
- Amphibians
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 2021 Zoology Paper II
- Indian Forest Service (Main) Examination 2020 Zoology Paper I
- Indian Forest Service (Main) Examination 2021 General Studies Paper I
- Indian Forest Service (Main) Examination 2021 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 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.
- Neat sketches may be drawn, wherever required.
- Answers must be written in ENGLISH only.
- Write a brief account about each of the following: (a) Nutrition and Osmoregulation in Euglena 8 Torsion in Gastropoda 8 (b) Ambulacral system in Asterias 8 (c) Archaeopteryx (d) 8 Feeding mechanism of Branchiostoma (e) 8 \boldsymbol{l}
Questions (page 2)
Q3.
(a) Give a comparative account of the aortic arches in Vertebrates.
(b) Describe the larval forms of Crustacea with suitable diagrams.
(c) Describe the salient features of Prototheria. Explain how it is different from Metatheria with example.
Q4.
(a) Describe different patterns of fish migration and write about its significance.
(b) Give an account of chemical nature and function of Neurohypophyseal hormones in mammals.
(c) Describe the parental care in Amphibians with suitable examples.
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Frequently asked questions
What is the name of the exam?
The exam is the Indian Forest Service (Main) Examination, 2021.
Which paper is this question set for?
This question set is for Zoology Paper - I.
Who conducts the Indian Forest Service Examination?
The Indian Forest Service Examination is conducted by the UPSC (Union Public Service Commission).
What is the maximum number of marks for Zoology Paper - I?
The maximum marks for Zoology Paper - I is 200.
What is the allowed time duration to complete Zoology Paper - I?
The allowed time duration to complete Zoology Paper - I is Three Hours.
How many questions are there in total in Zoology Paper - I?
There are a total of eight questions in Zoology Paper - I.