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Genetic Erosion in Agricultural Biodiversity

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Genetic Erosion in Agricultural Biodiversity

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Questions and Answers

What are the components of Genetic Resources?

Only land races

Obsolete cultivars, modern cultivars, advanced breeding materials, and wild relatives

Land races, obsolete cultivars, modern cultivars, advanced breeding materials, wild forms of cultivated species, wild relatives, and mutants (correct)

Obsolete cultivars and modern cultivars

Which component of Genetic Resources is known for a high degree of resistance to biotic and abiotic stresses?

Wild forms of cultivated species (correct)

Land races

Mutants

Advanced breeding materials

What is the primary characteristic of advanced breeding materials?

Readiness for release to farmers

High productivity

Valuable for various economic characters (correct)

Lack of productivity

Why are wild relatives considered important in crop improvement programmes?

Due to their resistance to biotic and abiotic stresses Signup and view all the answers

Which type of plant species can easily cross with cultivated species?

Wild forms of cultivated species Signup and view all the answers

What is a common characteristic of wild forms of many crop species according to the text?

They are extinct Signup and view all the answers

In genetic diversity conservation, what do advanced breeding lines represent?

Non-productive but valuable materials Signup and view all the answers

What is the primary reason why wild relatives are used as a last resort in crop improvement programmes?

Transfer of undesirable genes along with desirable alleles Signup and view all the answers

Genetic Erosion in Agricultural Biodiversity

Choose a study mode

Podcast

Questions and Answers

What are the components of Genetic Resources?

Which component of Genetic Resources is known for a high degree of resistance to biotic and abiotic stresses?

What is the primary characteristic of advanced breeding materials?

Why are wild relatives considered important in crop improvement programmes?

Which type of plant species can easily cross with cultivated species?

What is a common characteristic of wild forms of many crop species according to the text?

In genetic diversity conservation, what do advanced breeding lines represent?

What is the primary reason why wild relatives are used as a last resort in crop improvement programmes?

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