CS (Main) Exam 2020 Agriculture Paper II PDF | UPSC Question Paper

Central Government Jobs Other Jobs 2020

  • Year 2020
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages English & Hindi

Exam Details

Detail Information
Examination CS (Main) Exam
Year 2020
Conducting Body UPSC
Paper Agriculture Paper II
Subject Agriculture
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This is the Agriculture Paper II from the UPSC Civil Services (Main) Examination held in 2020. The paper allows three hours to complete and is worth a maximum of 250 marks. It is divided into two sections, containing a total of eight questions, with candidates required to answer five. Questions 1 and 5 are compulsory, and at least one question must be answered from each section. The paper is available in both Hindi and English, making it accessible to a wider range of candidates preparing for this prestigious examination.

Major Topics Covered

  • Varietal seed production
  • Hybrid seed production
  • Conventional breeding
  • Molecular breeding
  • Mass selection
  • Varietal improvement
  • Nutrient absorption by plants
  • Mechanism of nutrient absorption
  • Synthetic variety
  • Chromosome structure
  • Chromosome number
  • Chemical constituents of chromosomes
  • Chromomere
  • Y chromosomes

Why This Paper is Important

  • Useful for CS (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

  • CS (Main) Exam 2020 Agriculture Paper I
  • CS (Main) Exam 2019 Agriculture Paper II
  • UPSC Agriculture Optional Previous Year Papers
  • CS (Main) Exam 2020 Agriculture Paper II Answer Key
  • UPSC CS (Main) Agriculture Syllabus
  • UPSC Mains Exam Pattern
  • UPSC CS (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 ।
  • प्रश्मों 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.
  • 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 in about 150 words each :
निम्नलिखित प्रश्नों में से प्रत्येक का उत्तर लगभग 150 शब्दों में दीजिए :

(a) निम्नलिखित में विभेद कीजिए:
(i) उपजातीय (वैराइटल) बीज उत्पादन एवं संकर बीज उत्पादन
(ii) परम्परागत एवं आण्विक प्रजनन
Differentiate between the following:
(i) Varietal seed production and Hybrid seed production
(ii) Conventional and Molecular breeding

(b) समूह वरण (मास सिलेक्शन) क्या है ? पादप किस्मों के सुधार में इसके अनुप्रयोगों पर चर्चा कीजिए ।
What is mass selection ? Discuss its applications in varietal improvement.

(c) पादपों द्वारा पोषक-तत्त्वों के अवशोषण हेतु उत्तरदायी कारकों की गणना कीजिए । पोषक-तत्त्वों के अवशोषण की क्रियाविधि की व्याख्या कीजिए।
Enumerate factors responsible for absorption of nutrients by plants. Explain the mechanism of absorption of nutrients.

(d) संश्लेषित (सिंथेटिक) किस्म को परिभाषित कीजिए । संश्लेषित किस्मों के उत्पादन में सम्मिलित प्रचालनों पर चर्चा कीजिए।
Define synthetic variety. Discuss the operations involved in the production of synthetic varieties.

(e) निम्नलिखित शीर्षकों के अन्तर्गत गुणसूत्र का वर्णन कीजिए :
(i) गुणसूत्र संख्या
(ii) गुणसूत्रों के रासायनिक घटक
(iii) वर्णकणिका (क्रोमोमियर)
(iv) Y गुणसूत्र
Describe chromosome under the following headings :
(i) Chromosome number
(ii) Chemical constituents of chromosomes
(iii) Chromomere
(iv) Y chromosomes

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Frequently asked questions

What is the name of the exam?

The exam is the CS (Main) Exam, 2020.

Which paper is this question paper for?

This is for Agriculture Paper II.

Who conducts the CS (Main) Exam?

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

What is the maximum marks for this paper?

The maximum marks for Agriculture Paper II is 250.

What is the time allowed to complete this paper?

The time allowed is Three Hours.

How many questions are there in total?

There are eight questions in total, divided into two sections.

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