Advertisements
Advertisements
प्रश्न
The biggest constraint of plant breeding is ______.
विकल्प
availability of desirable gene in the crop and its wild relatives.
infrastructure
trained manpower
transfer of genes from unrelated sources.
Advertisements
उत्तर
The biggest constraint of plant breeding is availability of desirable gene in the crop and its wild relatives.
Explanation:
The biggest constraint of plant breeding is the availability of desirable genes in the crop and its wild relatives. Without the right genes for useful traits, plant breeders have limited material to improve crops effectively.
संबंधित प्रश्न
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
How has the mutation breeding helped in improving crop varieties? Give one example where this technique has helped.
What is emasculation?
List the two steps the classical plant breeding involves.
What is heterosis?
What are analogous organs? Describe with one example from the plant kingdom.
Define the term water potential.
Definition and importance of Imbibition
Describe briefly various steps of plant breeding methods.
Smooth leaved and necterless cotton varieties are NOT affected by ____________.
Animal husbandry and plant breeding programmes are the examples of:
Mechanism of fast Speciation in crop plants is ______.
Which one of the following pathogens causes cancer disease?
Fungicides and antibiotics are chemicals that ______.
The scientific process by which crop plants are enriched with certain desirable nutrients is called ______.
What is emasculation? Why and when is it done?
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
Mutations are beneficial for plant breeding. Taking an example, justify the statement.
Write two varieties of sugarcane having high sugar content.
Name two better yielding varieties of rice developed in India.
