CS (MAIN) Exam 2016 Botany Paper I Question Paper PDF

Central Government Jobs Other Jobs 2016

  • Year 2016
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages English & Hindi

Exam Details

Detail Information
Examination CS (MAIN) Exam
Year 2016
Conducting Body UPSC
Paper Botany Paper - I
Subject Botany
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This is the Botany Paper I from the UPSC CS (MAIN) Exam held in 2016. The paper is divided into two sections and contains a total of eight questions, with candidates required to answer five. Compulsory questions are number 1 and 5, and at least one question must be attempted from each section. The total maximum marks for this paper are 250, and candidates are allowed three hours to complete it. This paper is crucial for aspirants aiming to qualify for the Civil Services Main Examination, providing a clear understanding of the expected question types and subject depth in Botany.

Major Topics Covered

  • Microbes in mining and pharmaceuticals
  • Ultrastructure of flagella in Algae
  • Soil solarization in disease control
  • Lytic cycle of bacteriophage
  • Physiological relationship of two partners in Lichens
  • Molecular basis of infection and disease resistance in plants
  • Cyanobacteria
  • Nitrogen fixation
  • Pteridophytes
  • Bryophytes
  • Gymnosperms
  • Sporophyte evolution in Bryophytes
  • Mucorales
  • Multisporangia to conidia transition

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 2016 Botany Paper II
  • CS (MAIN) Exam 2016 General Studies Paper I
  • CS (MAIN) Exam 2016 General Studies Paper II
  • CS (MAIN) Exam 2016 Botany Paper I Answer Key
  • CS (MAIN) Exam Botany Syllabus
  • UPSC Mains Botany Optional Syllabus
  • CS (MAIN) Exam Pattern
  • UPSC Mains Exam Pattern

Instructions

  • पुस्तिका के मुखपृष्ठ पर निर्दिष्ट स्थान पर किया जाना चाहिए ।
  • प्राधिकृत माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे ।
  • प्रश्नों की शब्द सीमा, जहाँ उल्लिखित है, को माना जाना चाहिए ।
  • जहाँ आवश्यक हो, आरेख /चित्र उत्तर के लिए दिए गए स्थान में ही दर्शाइए ।
  • प्रश्नों के प्रयासों की गणना अनुक्रम के अनुसार गिना जाएगा ।
  • आंशिक रूप से दिए गए प्रश्नों के उत्तर को भी मान्यता दी जाएगी यदि उसे काटा न गया हो ।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़े गए कोई पृष्ठ अथवा पृष्ठ के भाग को पूर्णतः काट दीजिए ।

  • 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, THREE are to be attempted choosing at least ONE 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, shall 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. m-esc-u-btn

Questions (page 2)

Section A

Q1. निम्नलिखित का संक्षेप में वर्णन कीजिए । प्रत्येक विवरण में 150 शब्दों से अधिक शब्द नहीं होने चाहिए :
Briefly describe the following in not more than 150 words each :

(a) खनन तथा भेषजिकी में रोगाणुओं की भूमिका
Role of microbes in mining and pharmaceuticals

(b) शैवालों के कशाभों की परासंरचना
Ultrastructure of flagella in Algae

(c) रोग नियंत्रण में मृदा सौरीयन की भूमिका
Role of soil solarization in disease control

(d) जीवाणुभोजी का लयन चक्र
Lytic cycle of bacteriophage

(e) लाइकेनों में दो सहयोगियों का शरीरक्रियात्मक संबंध
Physiological relationship of two partners in Lichens

Section A

Q2.

(a) पादपों में संक्रमण का आण्विक आधार तथा रोग प्रतिरोधकता की व्याख्या कीजिए ।
Explain the molecular basis of infection and disease resistance in plants.

(b) सायनोबेक्टीरिया के अभिलक्षणों का वर्णन कीजिये तथा नाइट्रोजन स्थिरीकरण में इसकी भूमिका बतायें ।
Describe the characteristic features of Cyanobacteria and mention its role in nitrogen fixation.

(c) ब्रायोफाइटो तथा नग्नबीजियों (जिम्नोस्पर्मों) के लक्षणों से मिलते जुलते टेरिडोफाइटो के लक्षणों का वर्णन कीजिए ।
Write down the characters of pteridophytes resembling bryophytes and gymnosperms.

Section A

Q3.

(a) ब्रायोफाइटो में बीजाणु-उद्भिद (स्पोरोफाइट) के विकास का विवरण प्रस्तुत करें ।
Discuss the evolution of Sporophyte in Bryophytes.

(b) म्यूकोरेलीज में बहुबीजाणुधानी से कोनिडियम तक में होने वाले परिवर्तनों का उपयुक्त उदाहरणों एवं चित्रों सहित रूपरेखा प्रस्तुत करें ।
Trace the transition from multisporangia to conidia in Mucorales with illustrations and suitable examples.

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Frequently asked questions

What is the name of the exam?

The exam is the CS (MAIN) Exam.

Which year is this question paper from?

This question paper is from the year 2016.

Who conducts the CS (MAIN) Exam?

The CS (MAIN) Exam is conducted by UPSC.

What is the subject of this paper?

The subject of this paper is Botany.

What is the paper name?

The paper name is Botany Paper - I.

What is the maximum marks for Botany Paper - I?

The maximum marks for Botany Paper - I is 250.

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