Advertisements
Advertisements
प्रश्न
List the two steps the classical plant breeding involves.
उत्तर
Two steps involved in Classical plant breeding are:
• Crossing of superior pure lines and
• Selection of plants with desired characteristics.
APPEARS IN
संबंधित प्रश्न
State one characteristic of millets that has been improved as a result of hybrid breeding so as to produce high yielding millet crops.
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.
Explain the best-suited type followed by plant breeders at present?
Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.
Column-I | Column-II | ||
(I) | Banana | (p) | little leaf |
(II) | Sugarcane | (q) | bunchy top |
(III) | Papaya | (r) | leaf roll |
(IV) | Brinjal | (s) | grassy shoot |
(t) | leaf curl |
Animal husbandry and plant breeding programmes are the examples of:
What is meant by ‘hidden hunger’?
It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.
What is meant by germplasm collection? What are its benefits?