Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.

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Rice normally grows well in alluvial soil, but Atomita – 2 rice is a rice variety produced by mutation breeding that grows well in saline soil.

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Methods of Plant Breeding for Crop Improvement

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Chapter 20: Breeding and Biotechnology - Evaluation [Page 297]

Chapter 20 Breeding and Biotechnology
Evaluation | Q II. 5. | Page 297

Which method of crop improvement can be practised by a farmer if he is inexperienced?

______ is the chemical used for doubling the chromosomes.

The process of producing an organism with more than two sets of chromosome is called mutation.

Iron fortified rice variety determines the protein quality of the cultivated plant

Assertion: Hybrid is superior than either of its parentsReason: Hybrid vigour is lost upon inbreeding.

Give the name of wheat variety having higher dietary fibre and protein.

Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.

Describe mutation breeding with an example.

With a neat labelled diagram explain the techniques involved in gene cloning.

Higher Order Thinking Skill (HOT)

Polyploids are characterised by gigantism. Justify your answer.