Advertisements
Advertisements
प्रश्न
Which one of the following crop varieties correct matches with its resistance to disease?
| Variety | Resistance to disease |
| a) Pusa Komal | Bacterial blight |
| b) Pusa Sadabahar | White rust |
| c) Pusa Shubhra | Chilli mosaic virus |
| d) Brassica | Pusa swarnim |
Advertisements
उत्तर
Pusa Komal – Bacterial blight
संबंधित प्रश्न
Write a short note on ‘Mutational breeding’.
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
What is plant breeding?
Name the following:
The semi-dwarf variety of wheat is high-yielding and disease-resistant.
Enumerate four objectives for improving the nutritional quality of different crops for the health benefits of the human population by the process of "Biofortification".
What is heterosis?
What are analogous organs? Describe with one example from the plant kingdom.
Define the term water potential.
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
The biggest constraint of plant breeding is:
The biggest constraint of plant breeding is ______.
The scientific process by which crop plants are enriched with certain desirable nutrients is called ______.
Lysine and tryptophan are ______.
The agriculture sector of India employs about ______.
Name a man-made cereal? Trace how it was developed and where is it used?
What is meant by ‘hidden hunger’?
Discuss the importance of testing of new plant varieties in a geographically vast country like India.
Mutations are beneficial for plant breeding. Taking an example, justify the statement.
Write two varieties of sugarcane having high sugar content.
Match the following:
| Sr. No. | Column I | Column II | |
| (i) | Eutrophication | (a) | A soil erosion |
| (ii) | Biomagnification | (b) | carbon monoxide, methane |
| (iii) | Particulate pollutant | (c) | Prevention of extinction |
| (iv) | Conservation | (d) | Dust, smog |
| (v) | Gaseous pollutants | (e) | Accumulation of nonbiodegradable substances |
| (vi) | Deforestation | (f) | Death of aquatic ecosystem |
