Microbiology and Plant Pathology-Bacteria (IFS (Forests Services) Botany (Mains)): Questions 1 - 3 of 3

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Question number: 1

» Microbiology and Plant Pathology » Bacteria

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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

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Question number: 2

» Microbiology and Plant Pathology » Bacteria

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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

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Question number: 3

» Microbiology and Plant Pathology » Bacteria

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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.

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