Microbiology and Plant Pathology-Viruses (IFS (Forests Services) Botany (Mains)): Questions 1 - 6 of 6

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Question number: 1

» Microbiology and Plant Pathology » Viruses

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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

Understanding the types of parts of the virus

  • Nucl

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Question number: 2

» Microbiology and Plant Pathology » Viruses

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Appeared in Year: 2013

Essay Question▾

Describe in Detail

Write a brief account of the following: Lytic and Lysogenic cycle (Paper 1, Section A)

Explanation

Lytic and lysogenic cycles are two different methods of viral replication.

While they are different, they can be interchangeable or the replication can involve both methods in separate phases.

  • The Lytic Cycle:

  • In the lytic cycle, which is considered the main cycle in viral replication, once the viral DNA enters the cell it transcribes itse

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Question number: 3

» Microbiology and Plant Pathology » Viruses

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Appeared in Year: 2014

Essay Question▾

Describe in Detail

What is meant by modelling and how does it help in disease forecasting?

Explanation

Modelling

  • Modelling is a significant task of systematic biology. Modelling is significant task to make forecasting models.

  • It aims to develop and use efficient algorithms, data, and structure, visluization and communication tools with the goal of computer model of biology systems.

  • It involve in disease forcasting. now let us know diseas

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Question number: 4

» Microbiology and Plant Pathology » Viruses

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Appeared in Year: 2014

Essay Question▾

Describe in Detail

Differentiate between Isotype and Syntype.

Explanation

  • Plant name publication and designation of type of specimens follows the rules developed at the international botanical congress current rules.

  • International code of nomenclature for algae, fungi, and plants require that a single type specimen be designated at the time of publication (holotype).

  • Duplicates of the specimen with the same c

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Question number: 5

» Microbiology and Plant Pathology » Viruses

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Appeared in Year: 2014

Essay Question▾

Describe in Detail

Differentiate between Palaeozoic and Cenozoic plants.

Explanation

Types of plant found in Palaeozoic ERA and Cenozoic Era

Palaeozoic era

  • The vegetation is both aquatic and land plants.

  • Aquatic plants like Nematothallus and prototaxites showed resemblance with thallophytes. The first Fossil of land plants were found in the Silurian and Devonian period of this era.

  • Manograptus, sporogonites, zosterophyl

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Question number: 6

» Microbiology and Plant Pathology » Viruses

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Appeared in Year: 2014

Essay Question▾

Describe in Detail

Compare benthum and hooker’s of classification with the system of classification with the system of classification of Hutchinson.

Explanation

To compare classification of Bentham & hooker and Hutchinson classification. First of all we have to study both the classification and their basics

Bentham and hooker classification

  • This system is based on the de Candolle system.

  • It is natural system and was never intended to express a phylogenetic scheme of classification.

  • The system

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