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प्रश्न
How has the breeding programme helped in improving the public nutritional health? State two examples in support of your answer.
उत्तर
Breeding programme helped in improving the public nutritional health by breeding crops that are rich in nutrients.
This approach is called bio-fortification of crops. Objectives of bio-fortification are to improve −
i. Protein content and quality
ii. Oil content and quality
iii. Vitamin content
iv. Micronutrient and mineral content
Examples −
i. Maize hybrids developed in the year 2000 have twice the amount of lysine and tryptophan compared to other maize hybrids.
ii. Atlas 66 (a wheat variety having higher protein content)
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संबंधित प्रश्न
What is emasculation?
Define the term water potential.
Answer each question in ‘One’ sentence only:
Define stock and scion.
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
Answer the following question.
How did plant breeding techniques help north Indian farmers to develop cane with desired characters?
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of ______.
Fungicides and antibiotics are chemicals that ______.
Name a man-made cereal? Trace how it was developed and where is it used?
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
Give few examples of biofortified crops. What benefits do they offer to the society?
