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प्रश्न
Give the names of ‘two’ insect-resistant crop varieties.
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उत्तर
Pusa Gaurav, Pusa Sawni, and Pusa A-4 are insect-resistant crop varieties.
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संबंधित प्रश्न
Write a short note on ‘Mutational breeding’.
How has the breeding programme helped in improving the public nutritional health? State two examples in support of your answer.
Plant breeding technique has helped sugar industry in North India. Explain how.
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
What is emasculation?
List the two steps the classical plant breeding involves.
Answer each question in ‘One’ sentence only:
Define stock and scion.
The science of changing and improving the heredity of plants is called ______
Mutations in plant cells can be induced by ______
Give a reason for the following:
The continuous inbreeding of crops may lead to reduced fertility and productivity. However, the self-pollinated crops do not show the ill-effects of inbreeding.
