Looking for Previous Year IAS Papers? Download now free!
You will be auto-sent a link to download the IAS Past Papers & Model Papers when you join the IAS Free Training Group

Home | Downloads | Careers | Books |IAS Online TutorialsIAS online Tutorials | Advertise Advertise| Contact Us | About Us | ForumForum| Link to usLink to us
Login Saturday, December 4, 2021

IAS Resources
About IAS
IAS Preparation
IAS Careers
IAS Syllabus
IAS Online Tutorials
IAS Free Online Exam
Indian Forest Service
Indian Engineering Service
Indian Foreign Service
Indian Police Service
Record and Opinion
Books and Links
Free Downloads

Home » IAS Previous Question Papper » IFS - Indian Forest Service Botany Previous Year Paper (I) (2001)

IFS - Indian Forest Service Botany Previous Year Paper (I) (2001)

IFS - Indian Forest Service Botany Previous Year Paper (I) (2001)

Sub Date: 10/8/2009

IFS - Indian Forest Service Botany Previous Year Paper (I) (2001)


1. Answer any four of the following. (Your answers should not exceed 150 words for each of the sub-sections): (10 x 4 = 40)
a. Write short notes on:
i. Thermophylliceubacteria
ii. Symbiotic nitrogen-fixing bacteria
iii. Microbes which produce economically useful products
iv. Oncogenic viruses

b. Answer the following:
i Write a short account of host specific toxins.
ii What is 'Koji' fermentation? How is it formed and what are the products produced by it?
iii Bio-deterioration caused by microbial organisms in agricultural produce. Explain this phenomenon.
iv What are fungicides and how are they applied in standing crops and plant products?

c Explain the following:
i. Canker
ii Blight
iii Galls
iv Mosaic

d. Describe the following:
(i) Heterocysts
(ii) Akinetes
(iii)Water bloom algae
(iv) Witches' broom

e. Write short notes on:
(i) Diatoms
(ii) Viroids
(iii) Mycoplasma
(iv) Proteases

2. (a) Give an account of various kinds of biofertilisers.
(b) How do food infection and food poisoning Occur? Explain. (20 x 2 = 40)

3. (a) "The rusts of cereals are polymorphic in nature." Explain this statement and draw the lifecycle and control measures.
(b) Give an account of the improvements made in activities of micro-organisms in forestry, agriculture, industry and environment. (20 x 2 = 40)

4. Describe the following: (10 x 4 = 40)
(a) Economic importance of blue-green algae
(b) Sporophyte of Selaginella
(c) Archegoniophore of Marchantia
(e) Sporophyte of Marsilea

5. Answer any four of the following. (Your answers should not exceed l50words for each of the sub-sections): (10 x 4 = 40)
(a) Distinguish the following:
(i) Storied and non-storied wood
(ii) Free central placentation and parietal placentation
(iii)Interxylary and intraxylary phloem
(iv) Latex-tubes and resin canals

(b) Describe the following:
(i) Equisetum species are not primitive vascular cryptogams
(ii) Stamens in Cucurbitaceae
(iii)Translators in Asclepiadaceae
(iv) Anomalous secondary growth

(c) Describe the following:
(i) Reproductive structure in Lycopodium
(ii) External morphology of Ephedra
(iii) Protein Synthesis
(iv) Cycadofihicales

(d) Write short notes on the following:
(i) Ecosystem
(ii) Floral diagram in Solanaceae
(iii) Distribution of Williamsonia
(vi) Carpels in dicots

(e) Briefly describe the following:
(i) Kranz Syndrome
(ii) Herbarium Techniques
(iii)Type Specimen
(iv) Hydrosere

6. Answer the following: (10 x 4 = 40)
(a) Discuss photoperiodism and flowering.
(b) What is experimental embryology? Explain.
(c) What is Ginkgo biloba called a living fossil?
(d) Write about the reproduction in Taxus.

7. Answer the following: (10 x 4 = 40)
(a) Write an account of the family Rubiaceae and compare it with that of Verbenaceae.
(b) Describe the family Cucurbitaceae, giving floral diagrams, floral formulae.
(c) Where are the National Botanical Gardens and Lloyd Botanical Gardens? How are herbaria in botanical gardens arranged?
(d) Write about the economic importance of the family Asteraceae.

8. (a) Mention he botanical name, family and plant part used of the following : (10 x 2 = 20)
(i) Teak
(ii) Heeng
(iii) Jute
(iv) Turmeric
(v) Sarpagandha
(vi) Cocoa
(vii) Cotton
(viii) Bamboo
(ix) Opiuni
(x) Peppermint

(b) Write an account of Takhtajan system of classification of plants. (20)

More IAS Previous Question Papper

Discussion Center



Feedback/ Suggestion

Yahoo Groups

Sirfdosti Groups

Contact Us

Members Login Here!

Forgot Password?
New User? Register!
Toppers View

Get 9,000+ Interview Questions & Answers in an eBook. Interview Question & Answer Guide
  • 9,000+ Interview Questions
  • All Questions Answered
  • 5 FREE Bonuses
  • Free Upgrades


IAS Exam, IAS 2021, IAS 2022 Training, IAS 2020 Papers and Solutions, IAS Preparation & Related Pages

IAS Forum | Civil Services | IAS Overview | How to Prepare for IAS | IAS Eligibility Criteria | IAS Exam Pattern | IAS Exam Syllabus | IAS Application Form Centers | Sections Under IAS Examinations | Postings of an IAS Officer | Method of Making Notes | Style of Answering Questions | Time Management | IAS Regulations | Cut off Marks in IAS | Training Institutes for IAS | IAS Tips | Time Table for IAS 2021 Exam | Calendar for IAS 2021 Exam | Top Scorers in IAS Exam | Post Offices for IAS Exam Form | Sample IAS Exam Paper | IAS Current Affairs | Career in IAS | Jobs Offered in IAS | Nature of Work | Interview Tips for IAS | Interview Techniques for IAS | IAS Syllabus | IAS Preparation Strategy | IAS Model Notification | Daily / Periodicals for IAS | Art and Craft | IAS Tutorials | IAS Tutorials for Agriculture | IAS Tutorials for Animal Husbandry & Veterinary Science | IAS Tutorials for Botany | IAS Tutorials for Chemistry | IAS Tutorials for Economics | IAS Tutorials for Essay | IAS Tutorials for Geography | IAS Tutorials for Geology | IAS Tutorials for Indian History | IAS Tutorials for Physics | IAS Tutorials for Psychology | IAS Tutorials for Sociology | IAS Tutorials for Zoology | Previous Years Test Papers for IAS | IAS Mock Exam | Current Affairs for IAS | IFS - Indian Forest Services | IFS - Indian Forest Services Examination Plan | IFS - Indian Forest Services General Instructions | IFS - Indian Forest Services - List of Head Post Offices | IFS - Indian Forest Services Special Instructions | IES - Indian Engineering Service | IES - Indian Engineering Service Model Notification | IES - Indian Engineering Service General Instructions | IES - Indian Engineering Service Examination Plan | IFS - Indian Foreign Service | IFS - Indian Foreign Service - Selection & Training | Career in IFS - Indian Foreign Service | IPS - Indian Police Service - Modern Ranks and Rank Badges | IPS - Indian Police Service in History | IPS - Indian Police Service - External Resources | Reward of Brilliance | Deputation | Civil Lines | IAS Toppers Opinion | Renumeration in IAS | AKHAND PRATAP SINGH - IAS Topper | Anay Dwivedi - IAS Topper | Anupama - IAS Topper | D DIVYA - IAS Topper | Divyadharshini - IAS Topper | Divyadharshini Shanmugam - IAS Topper | Dr Sumit Seth - IAS Topper | GAGAN - IAS Topper | Garima Mittal - IAS Topper | GARIMA MITTAL - IAS Topper | Iqbal Dhalibal - IAS Topper | Iva Sahay - IAS Topper | JAI PRAKASH MAURYA - IAS Topper | Karthik Adapa - IAS Topper | Mangesh Kumar - IAS Topper | Manish Ranjan - IAS Topper | Muthyala Raju Revu - IAS Topper | Nila Mohan - IAS Topper | Pankaj Dwivedi - IAS Topper | PC Vinoj Kumar - IAS Topper | Prasad Praladh Akkanouru - IAS Topper | Prince Dhawan - IAS Topper | R V Varun Kumar - IAS Topper | RAVI DHAWAN - IAS Topper | Roopa Mishra - IAS Topper | Rukmani Riar - IAS Topper | SASWATI DEY - IAS Topper | Saswati Dey - IAS Topper | Shah faesal - IAS Topper | Shena Agrawal - IAS Topper | Sorabh Babu Maheshwari - IAS Topper | Sweta Mohanty - IAS Topper | TANVI SUNDRIYAL - IAS Topper | Vijayalakshmi Bidari - IAS Topper | IAS Books | SSC Exam Pattern | CDSC Exam Pattern | NDA Exam Pattern | GA - General Awareness Exam Pattern | PG - Post Graduate Exam Pattern |
Copyright © 2021. One Stop IAS.com. All rights reserved Privacy Policies | Terms and Conditions | About Us
Our Portals : Free eBooks | Interview Questions | IndiaJobForum | Free Classifieds | Vyoms | One Stop FAQs | One Stop GATE | One Stop GRE | One Stop IAS | One Stop MBA | Free SAP Training | One Stop Testing | Web Hosting | Sirf Dosti | Your Project Code | Cook Book Global | Tests World | Clean Jokes | Vyom | Vyom eBooks | Vyom Links | Vyom World | Shayari | C Interview Questions | C++ Interview Questions | Send Free SMS | Placement Papers | SMS Jokes | CAT 2021 Notification