Q2.
(a) Define Mutation. Explain various physical and chemical mutagens with suitable examples.
(b) Give an illustrated account of the evolutionary history of horse.
(c) Briefly describe the modern methods of taxonomy for animals.
Indian Forest Service 2020 Zoology Paper II Question Paper PDF
- Year 2020
- Conducted By UPSC
- Questions 8
- Maximum Marks 200
- Duration Three Hours
- Languages English
Exam Details
| Detail | Information |
|---|---|
| Examination | Indian Forest Service (Main) Examination |
| Year | 2020 |
| 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 question paper for the Indian Forest Service (Main) Examination, 2020, specifically for Zoology Paper II. Conducted by UPSC, this paper carries a maximum of 200 marks and candidates are allowed three hours to complete it. The paper consists of eight questions, of which five 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 questions. Answers must be written in English only. This paper is crucial for aspirants preparing for the IFS Main examination, providing insights into the types of questions asked and the depth of knowledge required in Zoology.
Major Topics Covered
- Hormonal regulation of sex determination
- Reverse transcription
- Neo-Darwinism
- Lysosomes
- Cladistics
- Mutation
- Mutagens
- Evolutionary history of horse
- Modern taxonomy
- Transport of large molecules across plasma membrane
- Transposons
- Speciation (Parapatric and Sympatric)
- Meiotic prophase
- Age determination of fossils
- Molecular mechanism of crossing over
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, 2020 - Zoology Paper I
- Indian Forest Service (Main) Examination, 2020 - General Studies Paper I
- Indian Forest Service (Main) Examination, 2020 - General Studies Paper II
- Indian Forest Service 2020 Zoology Paper II Answer Key
- Indian Forest Service Zoology Syllabus
- IFS Main Exam Syllabus
- Indian Forest Service Exam Pattern
- IFS 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)
Q3.
(a) Explain the transport of large molecules across the plasma membrane.
(b) What are Transposons ? Explain the general structure and mechanism of transposition of Tn3 elements in prokaryotes.
(c) Differentiate between Parapatric and Sympatric speciation.
Q4.
(a) Describe with well-labelled diagram, the stages involved in Meiotic prophase.
(b) Write an account of the methods of determination of the age of fossils.
(c) Give an account of the molecular mechanism of crossing over.
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Frequently asked questions
What is the full name of the exam for which this paper was conducted?
The full name of the exam is the Indian Forest Service (Main) Examination, 2020.
Which conducting body released this question paper?
This question paper was released by the UPSC (Union Public Service Commission).
What is the subject and paper code for this specific question paper?
The subject is Zoology, and the paper is Paper - II, with the paper code JKLO-B-ZOLY.
What is the maximum marks for this paper?
The maximum marks for Zoology Paper - II is 200.
How much time is allowed for candidates to complete this paper?
Candidates are allowed three hours to complete the paper.
How many questions are there in total, and how many are to be attempted?
There are a total of eight questions, and candidates are required to attempt five.