Morphogenesis-Protoplast Culture [IFS (Forests Services) Botany (Mains)]: Questions 1 - 4 of 4

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Question number: 1

» Morphogenesis » Protoplast Culture

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Appeared in Year: 2015

Essay Question▾

Describe in Detail

Briefly discuss the technique for raising haploids from microspores. (Paper 1, Section B)

Explanation

  • Haploid plants possess only a single set of chromosomes in the sporophyte.
  • Haploid plants are significance for the production of homozygous plants and for the improvement of plants in plant breeding programmers.

Production of haploid plants:

Understanding the production of haploids

Understanding the Production of Haploids

  • Haploids may be divided in two categories:

  • Monohaploids are the haploids

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Question number: 2

» Morphogenesis » Protoplast Culture

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Appeared in Year: 2015

Essay Question▾

Describe in Detail

Write short notes on the following: Protoplast fusion (Paper 1, Section B)

Explanation

Protoplast fusion is a technique by which two protoplasts are fused to form hybrid cells that can grow into mature hybrid organisms.

Methods of Protoplast Fusion:

Understanding the method of protoplast fusion

Understanding the Method of Protoplast Fusion

Spontaneous Fusion:

  • Protoplasts during isolation often fuse spontaneously and this phenomenon is called spontaneous fusion.

  • Simply physical contac

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Question number: 3

» Morphogenesis » Protoplast Culture

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Appeared in Year: 2013

Essay Question▾

Describe in Detail

Write Short Notes on: Methods of protoplast fusion (Paper 1, Section B)

Explanation

Protoplast fusion is the joining of two plant cells together to form one cell with multiple nuclei.

There are two methods of Protoplast fusion; Spontaneous fusion and induced fusion.

Image showing protoplast fusion methods.

Image Showing Protoplast Fusion Methods

Spontaneous Fusion:

  • Spontaneous fusion means protoplasts isolated fuse spontaneously.

  • Sponta­neous fusion is strictly intraspecific

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Question number: 4

» Morphogenesis » Protoplast Culture

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Appeared in Year: 2015

Essay Question▾

Describe in Detail

Write short notes on the Protoplast fusion. (Paper 2)

Explanation

  • Protoplast fusion is a type of genetic modification in the plants by which genome of two distinct species of plants are fused together to form new hybrid. That has characteristics of both the species.

  • Protoplast fusion can be obtain either by spontaneous fusion method or induced fusion methods.

Spontaneous fusion method

  • During isolation protoplasts of

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