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प्रश्न
Identify 'A', 'B', 'C' and 'D' in the given table.
| Crop | Variety | Resistance to disease |
| A | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | B |
| Brassica | Pusa Swarnim | C |
| Cowpea | D | Bacterial blight |
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उत्तर
| Crop | Variety | Resistance to Disease |
| Wheat | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | Black rot and curl blight black rot |
| Brassica | Pusa Swarnim | White rust |
| Cowpea | Pusa Komal | Bacterial blight |
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संबंधित प्रश्न
How has the mutation breeding helped in improving crop varieties? Give one example where this technique has helped.
Describe the mass flow hypothesis for translocation of organic solutes (food) in plants.
Answer the following question.
How did plant breeding techniques help north Indian farmers to develop cane with desired characters?
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
In hybridization experiments 'true breeding' means off-springs show ____________.
Mechanism of fast Speciation in crop plants is ______.
The plant which is used for Studying hybrid vigour or heterocyst:
The agriculture sector of India employs about ______.
33 percent of India’s Gross Domestic Product comes from ______.
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 |
