Microbiology and Plant Pathology (IFS (Forests Services) Botany (Mains)): Questions 1 - 8 of 32

Access detailed explanations (illustrated with images and videos) to 312 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 800.00 or

How to register?

Question number: 1

» Microbiology and Plant Pathology » Major Plant Diseases

Edit

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Write short notes on the following: Tundu disease of wheat (Paper-1, Section-A)

Explanation

  • Tundu disease of wheat is also called as yellow Ear rot or Ear cockle.

  • Tundu is a minor disease problem worldwide.

  • It is quite common in north-west regions of India.

  • This disease of wheat was first reported by Hutchinson in 1917 from Punjab.

  • Now it is spread in many other parts of the country like Haryana, U. P. , Rajasthan, M. P. and Bihar.

  • This diseas

… (255 more words) …

Question number: 2

» Microbiology and Plant Pathology » Bacteria

Edit

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Describe the role of microbes in production of antibiotics. (Paper-1, Section-A)

Explanation

Definition

Antibiotics are the chemical substances that can inhibit the growth and destroy the microorganisms.

  • Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections.

  • Antibiotics are derived from microorganisms or living system through fermentation process.

  • Over 2,500 years ago, Chinese used the

… (180 more words) …

Question number: 3

» Microbiology and Plant Pathology » Fungal Toxins

Edit

Appeared in Year: 2015

Essay Question▾

Describe in Detail

What is the use of Bordeaux mixture? How is it prepared? (Paper-1, Section-A)

Explanation

Definition

  • Bordeaux mixture is a combination of copper sulfate, lime, and water.

  • Bordeaux mixture is an effective fungicide and bactericide that has been used for decades to control diseases of fruit and nut trees, vine fruits and ornamental plants.

  • Bordeaux mixture is an outstanding fungicide and bactericide for controlling some diseases of tree frui

… (185 more words) …

Question number: 4

» Microbiology and Plant Pathology » Viruses

Edit

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Explain the structure of TMV. (Paper-1, Section-A)

Explanation

Full name of TMV is Tobacco mosaic virus.

Structure

  • The structure of tobacco mosaic virus (TMV) is impossible to see with the human eye because it is very small, mainly 300 nanometers long.
  • The basic components of all viruses are as much as the same.
Various types of virus & its parts

Various Types of Virus & Its Parts

  • Nucleic acid genome and a protein capsid that covers the genome and t

… (246 more words) …

Question number: 5

» Microbiology and Plant Pathology » Bacteria

Edit

Appeared in Year: 2015

Essay Question▾

Describe in Detail

What are the various methods of genetic recombination in bacteria? (Paper-1, Section-A)

Explanation

  • Genetic recombination is a process where genetic materials, contained in two separate genomes, are brought together within one unit.

  • Genetic recombination is when genes from two different sources are combined to form a new genetic combination.

In bacteria the recombination takes place by three methods;

  • Transformation

  • Transduction

  • Conjugation

Transformati

… (371 more words) …

Question number: 6

» Microbiology and Plant Pathology » Major Plant Diseases

Edit

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Write short note on: Powdery mildew diseases in plants (Paper-1, Section-A)

Explanation

Definition:

  • Powdery mildew is a fungal disease of the foliage, stems and occasionally flowers and fruit where a superficial fungal growth covers the surface of the plant.

  • Powdery mildews are a group of related fungi which attack a wide range of plants, causing a white, dusty coating on leaves, stems and flowers.

How to Identify Powdery Mildew:

  • A plant

… (277 more words) …

Question number: 7

» Microbiology and Plant Pathology » Bacteria

Edit

Appeared in Year: 2013

Essay Question▾

Describe in Detail

Discuss briefly the following: Endospore formation in bacteria and its significance (Paper 1, Section A)

Explanation

  • An endospore is an extremely resistant dormant cell structure produced by some bacterial species.

  • Endospore means; endo means inside and spore means to the dormant structure, so the endospore is a structure formed inside the cell.

  • There are many examples of endospore forming bacteria.

  • The two most common are Clostridium and Bacillus.

  • In favorable condi

… (365 more words) …

Question number: 8

» Microbiology and Plant Pathology » Physiology of Parasitism & Control

Edit

Appeared in Year: 2013

Essay Question▾

Describe in Detail

Write short note on the following: Soil solarization and its use to control nematodes in soil (Paper 1, Section A)

Explanation

Defining soil solarization:

  • Soil solarization is a hydrothermal process which occurs in moist soil when covered by plastic film and heated by exposure to sunlight during the warm months.

  • The process changes physical, chemical, and biological properties and thereby improves soil health.

  • Soil solarization is a nonchemical method for controlling soil bor

… (326 more words) …

Developed by: