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प्रश्न
What is plant breeding?
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उत्तर १
Plant breeding is a technique that involves the crossing of two plants to produce progeny with particular traits in their genes that are passed on to future generations in order to create desired plant types that are better suited for cultivation, give better yields, and are disease resistant.
उत्तर २
The improvement or purposeful manipulation in the heredity of crops and the production of new superior varieties of existing crop plants constitute what is called plant breeding.
संबंधित प्रश्न
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
How has mutation breeding helped in improving the production of mung bean crop?
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With the help of suitable diagram define 'bagging' and 'tagging' of flower.
Name the scientists who Coined the term Diffusion Pressure Deficit
Explain the best-suited type followed by plant breeders at present?
Smooth leaved and necterless cotton varieties are NOT affected by ____________.
What is emasculation? Why and when is it done?
Give few examples of biofortified crops. What benefits do they offer to the society?
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 |
