Podcast
Questions and Answers
What is hybridisation in the context of crop improvement?
What is hybridisation in the context of crop improvement?
- Crossing between plants of the same variety
- Introducing a gene to provide desired characteristics
- Crossing between plants of different genera
- Crossing between genetically dissimilar plants (correct)
How can desirable characteristics be incorporated into crop varieties?
How can desirable characteristics be incorporated into crop varieties?
- By relying solely on intervarietal crossing
- By introducing genes from unrelated genera
- By using only interspecific crossing
- By hybridisation and introducing specific genes (correct)
What is necessary for new varieties of crops to be accepted?
What is necessary for new varieties of crops to be accepted?
- Being genetically identical to existing varieties
- Being crossbred with unrelated species
- Producing high yields under different conditions (correct)
- Having resistance to a single disease
Hybridisation refers to crossing between genetically, dissimilar plants. This crossing may be intervarietal (between different varieties), ______ (between two different species of the same genus) or intergeneric (between different genera).
Hybridisation refers to crossing between genetically, dissimilar plants. This crossing may be intervarietal (between different varieties), ______ (between two different species of the same genus) or intergeneric (between different genera).
One way of incorporating desirable characters into crop varieties is by ______.
One way of incorporating desirable characters into crop varieties is by ______.
Another way of improving the crop is by introducing a gene that would provide the desired ______.
Another way of improving the crop is by introducing a gene that would provide the desired ______.
Varieties or strains of crops can be selected by breeding for various useful characteristics such as disease resistance, response to fertilisers, product quality and high ______.
Varieties or strains of crops can be selected by breeding for various useful characteristics such as disease resistance, response to fertilisers, product quality and high ______.
For new varieties of crops to be accepted, it is necessary that the variety produces high yields under different conditions that are found in different ______.
For new varieties of crops to be accepted, it is necessary that the variety produces high yields under different conditions that are found in different ______.
Varieties or strains of crops can be selected by breeding for various useful characteristics such as disease resistance, response to fertilisers, product quality and high ______
Varieties or strains of crops can be selected by breeding for various useful characteristics such as disease resistance, response to fertilisers, product quality and high ______
One way of incorporating desirable characters into crop varieties is by ______
One way of incorporating desirable characters into crop varieties is by ______
Hybridisation refers to crossing between genetically, dissimilar ______
Hybridisation refers to crossing between genetically, dissimilar ______
Another way of improving the crop is by introducing a gene that would provide the desired ______
Another way of improving the crop is by introducing a gene that would provide the desired ______
For new varieties of crops to be accepted, it is necessary that the variety produces high yields under different ______
For new varieties of crops to be accepted, it is necessary that the variety produces high yields under different ______
