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प्रश्न
Biofortification may help in removing hidden hunger. How?
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उत्तर
Biofortification: Biofortification is the scientific process of developing crop plants enriched with high levels of desirable nutrients like vitamins, proteins and minerals. Some examples of crop varieties developed as a result of biofortification are given below:
- Protina, Shakti and Rathna are lysine rich maize hybrids (developed in India).
- Atlas 66, a protein rich wheat variety.
- Iron rich fortified rice variety’.
- Vitamin A enriched carrots, pumpkin and spinach.
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संबंधित प्रश्न
Economically important crop plants with superior quality are raised by ______.
Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.
The process of producing an organism with more than two sets of chromosome is called mutation.
Golden rice is a hybrid.
In vitro fertilisation means the fertilisation done inside the body.
Assertion: Colchicine reduces the chromosome number.
Reason: It promotes the movement of sister chromatids to the opposite poles.
Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.
Name three improved characteristics of wheat that helped India to achieve high productivity
With a neat labelled diagram explain the techniques involved in gene cloning.
Higher Order Thinking Skill (HOT)
Polyploids are characterised by gigantism. Justify your answer.
