UPSC Civil Services Main 2024 Botany Paper II Question Paper PDF

Central Government Jobs Administrative / Civil Services 2024

  • Year 2024
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination Civil Services (Main) Examination
Year 2024
Conducting Body UPSC
Paper Botany Paper - II
Subject Botany
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Descriptive / Subjective

This is the Botany Paper II question paper for the UPSC Civil Services (Main) Examination held in 2024. The paper, carrying a maximum of 250 marks, was designed to be completed within three hours. It consists of eight descriptive questions divided into two sections, with candidates required to answer five questions in total. Compulsory questions are number 1 and 5, and at least one question must be attempted from each section. The paper is printed in both Hindi and English, catering to a bilingual examination process. Aspirants can use this paper to understand the exam's depth, question complexity, and marking scheme for effective preparation.

Major Topics Covered

  • Chromosome structure
  • Incomplete dominance
  • Polygenic inheritance
  • Cell receptors
  • Cell signalling
  • RNA in origin and evolution of life
  • Probability and distribution in breeding
  • Male sterility
  • Heterosis breeding
  • Molecular basis of cell cycle
  • Gene silencing
  • Gene mapping
  • Apomixis
  • Plant breeding

Why This Paper is Important

  • Useful for Civil Services (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

  • UPSC Civil Services Main 2024 Botany Paper I
  • UPSC Civil Services Main 2023 Botany Paper II
  • UPSC Civil Services Main 2024 General Studies Paper I
  • UPSC Civil Services Main 2024 Botany Paper II Answer Key
  • UPSC Civil Services Main Botany Syllabus
  • UPSC Mains Exam Syllabus
  • UPSC Civil Services Main Exam Pattern
  • UPSC Mains Exam Structure

Instructions

  • पुस्तिका के मुख-पृष्ठ पर निर्दिष्ट स्थान पर किया जाना चाहिए।
  • प्राधिकृत 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 आवश्यक हो, अपने उत्तर को उपयुक्त आरेखों / चित्रों द्वारा दर्शाइए ।
  • इन्हें प्रश्न का उत्तर देने के लिए दिए गए स्थान में ही बनाना है।
  • 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 (क्यू.सी.ए.) 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.
  • Diagrams/figures, wherever required, may be drawn in the space provided for answering the question itself.
  • 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 (QCA) Booklet must be clearly struck off.

Questions (page 2)

Section A

Q1. निम्नलिखित में से प्रत्येक पर लगभग 150 शब्दों में संक्षिप्त टिप्पणियां लिखिए:
Write short notes on the following in about 150 words each:

(a) गुणसूत्रों की संरचना में पाए जाने वाले बदलाव के प्रकार को स्पष्ट कीजिए तथा उनके महत्त्व एवम् उपयोगिता का वर्णन कीजिए ।
Explain the types of variations found in the structure of chromosomes and discuss their importance and significance.

(b) कम से कम दो उदाहरणों सहित स्पष्ट कीजिए, अधूरा प्रभुत्व तथा पॉलीजेनिक वंशागति क्या हैं तथा इनके परिणाम स्वरूप क्या होता है ?
Explain with at least two examples what is incomplete dominance and polygenic inheritance and what happens as a result of these events?

(c) कोशिका ग्राही (रिसेप्टर्स) क्या हैं वर्णन कीजिए तथा वे कोशिका सिग्नलिंग में कैसे सहायता करते हैं ? कम से कम एक उदाहरण सहित उत्तर को विस्तार से लिखिए।
Discuss what are cell receptors and how do they help in cell signalling? Elaborate the answer with the help of at least one example.

(d) कम से कम एक उदाहरण सहित जीव की उत्पत्ति तथा विकास में आर.एन.ए. की भूमिका का वर्णन कीजिए ।
Discuss with one example the role of RNA in the origin and evolution of life.

(e) प्रायिकता तथा वितरण दो महत्त्वपूर्ण कारक हैं जिन्हें सफल प्रजनन कार्य को स्थापित करने के लिए हमेशा ध्यान में रखना चाहिए । उपयुक्त उदाहरण सहित स्पष्ट कीजिए ।
Probability and distribution are two important factors which should always be taken into account to establish a successful breeding programme. Explain with a suitable example.

Section A

Q2. निम्नलिखित की प्रक्रिया तथा महत्त्व को संक्षिप्त में स्पष्ट कीजिए :
Explain briefly the process and importance of the following: जीन चित्रण की विभिन्न विधियों पर संक्षिप्त में चर्चा कीजिए । आणविक मानचित्र जीन कार्यों के मूल्यांकन में कैसे सहायक होते हैं ?
Discuss briefly different methods of gene mapping. How molecular maps are of help in evaluating the gene function? असंगजनन क्या है तथा यह पादपप्रजनन में कैसे लाभदायक है ? उत्तर को उपयुक्त उदाहरणों सहित विस्तार से लिखिए ।
Explain what is apomixis and how this may be of help in plant breeding? Elaborate the answer with suitable examples.

(a) नरबंध्यता तथा संकर ओज (हेटेरोसिस) प्रजनन ।
Male sterility and heterosis breeding.

(b) कोशिका चक्र का आणविक आधार ।
Molecular basis of cell cycle.

(c) जीन साइलेंसिंग ।
Gene silencing.

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Frequently asked questions

What is the name of the exam for which this question paper is intended?

This question paper is for the Civil Services (Main) Examination.

What is the subject and paper code for this question paper?

The subject is Botany, and the paper is Paper II with code PHKM-B-BTN.

What is the year of this examination?

The examination year is 2024.

Who is the conducting body for this examination?

The conducting body is UPSC.

What is the maximum marks for this Botany Paper II?

The maximum marks for Botany Paper II is 250.

What is the time duration allowed for this paper?

The time allowed for this paper is Three Hours.

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