UPSC Civil Services Main 2019 Botany Paper II PDF

Central Government Jobs Other Jobs 2019

  • Year 2019
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination UPSC Civil Services Main Exam
Year 2019
Conducting Body UPSC
Paper Botany Paper - II
Subject Botany
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This is the Botany Paper II from the UPSC Civil Services Main Examination held in 2019. The paper is designed to test in-depth knowledge of botanical concepts. It consists of 8 questions divided into two sections, with candidates required to answer five questions in total. Questions 1 and 5 are compulsory, and at least one question must be attempted from each section. The exam allows three hours to complete and carries a maximum of 250 marks. This paper is crucial for candidates specializing in Botany for the UPSC Civil Services exam, providing valuable insights into the types of questions asked and the expected depth of knowledge.

Major Topics Covered

  • Plant Breeding
  • DNA Fingerprinting
  • Cytoplasmic Inheritance
  • Cell Signalling
  • Cell Receptors
  • Gene Silencing
  • Eukaryotic Genome
  • Cell Wall
  • Plasma Membrane

Why This Paper is Important

  • Useful for UPSC Civil Services Main Exam 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 Exam 2019 Botany Paper I
  • UPSC Civil Services Main Exam 2019 General Studies Paper I
  • UPSC Civil Services Main Exam 2018 Botany Paper II
  • UPSC Civil Services Main Exam 2019 Botany Paper II Answer Key
  • UPSC Civil Services Main Exam Botany Syllabus
  • UPSC Mains Optional Subject Syllabus
  • UPSC Civil Services Main Exam Pattern
  • UPSC Mains Exam Structure

Instructions

  • प्रश्न हैं जो दो खण्डों में विभाजित हैं तथा हिन्दी और अंग्रेज़ी दोनों में छपे हुए हैं ।
  • परीक्षार्थी को कुल पाँच प्रश्नों के उत्तर देने हैं ।
  • प्रश्न संख्या 1 और 5 अनिवार्य हैं तथा बाकी प्रश्नों में से प्रत्येक खण्ड से कम-से-कम एक प्रश्न चुनकर किन्हीं तीन प्रश्नों के उत्तर दीजिए ।
  • प्रत्येक प्रश्न/भाग के अंक उसके सामने दिए गए हैं ।
  • प्रश्नों के उत्तर उसी प्राधिकृत माध्यम में लिखे जाने चाहिए जिसका उल्लेख आपके प्रवेश-पत्र में किया गया है, और इस माध्यम का स्पष्ट उल्लेख प्रश्न-सह-उत्तर (क्यू.सी.ए.) 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 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.
  • Questions no. 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 Booklet must be clearly struck off.

Questions (page 2)

Section A

Q1. Answer the following questions :
निम्नलिखित प्रश्नों के उत्तर दीजिए :

(a) “किसी भी पादप प्रजनन कार्यक्रम में डी.एन.ए. अंगुलिरेखालेख (DNA फिंगरप्रिंटिंग) का महत्त्व है।” उपयुक्त उदाहरणों सहित इस कथन की पुष्टि कीजिए।

"DNA fingerprinting is important in any plant breeding programme." Justify the statement with suitable examples.

(b) कोशिकाद्रव्यी वंशागति (साइटोप्लाज्मिक इनहेरिटेन्स) की प्रक्रिया एवं इसमें सम्मिलित जीन्स का उदाहरण सहित संक्षिप्त में विवेचन कीजिए ।

Citing example, discuss briefly the process of cytoplasmic inheritance and the genes involved.

(c) कोशिका संकेतन (cell signalling) की क्रियाविधि तथा इस प्रक्रिया को नियमित करने में कोशिका अभिग्राहियों (cell receptors) की भूमिका की व्याख्या कीजिए ।

Explain the mechanism of cell signalling and the role of cell receptors in regulating this process.

(d) सुकेन्द्रिक (यूकैरियोटिक) जीनोम में जीन साइलेंसिंग किस तरह होता है और जीन साइलेंसिंग के जीनोम में क्या प्रभाव होंगे ?

How does silencing of the genes occur in eukaryotic genome and what are the implications of gene silencing ?

(e) आवश्यक चित्रों की सहायता से प्राथमिक कोशिका भित्ति (सेल वॉल) एवं प्लाविका झिल्ली (प्लैज़्मा मेम्ब्रेन) की रासायनिक संरचना और कार्य की व्याख्या कीजिए ।

Explain, with required diagrams, the chemical structure and function of primary cell wall and plasma membrane.

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Frequently asked questions

What is the name of the exam?

The exam is the UPSC Civil Services Main Exam.

What year is this question paper from?

This question paper is from the year 2019.

Which paper is this?

This is Botany Paper - II.

Who conducts the Civil Services Main Exam?

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

What is the maximum marks for Botany Paper - II?

The maximum marks for Botany Paper - II is 250.

What is the time allowed for this paper?

The time allowed for this paper is Three Hours.

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