Advertisements
Advertisements
Question
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of ______.
Options
shorter rice plant
better irrigation facilities
early yielding rice variety
disease resistant rice variety
Advertisements
Solution
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of early yielding rice variety.
APPEARS IN
RELATED QUESTIONS
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
What is plant breeding?
How has the mutation breeding helped in improving crop varieties? Give one example where this technique has helped.
How has the breeding programme helped in improving the public nutritional health? State two examples in support of your answer.
Identify 'A', 'B', 'C' and 'D' in the given table.
| Crop | Variety | Resistance to disease |
| A | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | B |
| Brassica | Pusa Swarnim | C |
| Cowpea | D | Bacterial blight |
Briefly describe various steps involved in plant breeding.
What are transgenic plants? Explain with any two examples
With the help of suitable diagram define 'bagging' and 'tagging' of flower.
What are analogous organs? Describe with one example from the plant kingdom.
Wheat -Atlas 66 has high contents of ______.
Explain the best-suited type followed by plant breeders at present?
The plant which is used for Studying hybrid vigour or heterocyst:
Which of the following is not an objective of Biofortification in crops?
Which one of the following is not a fungal disease?
Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed ______.
Lysine and tryptophan are ______.
Discuss the two main limitations of plant hybridization programme.
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
Name two better yielding varieties of rice developed in India.
What are A, B in the following table:
| Transgenic Crop | Substance | Transgene | |
| (i) | A | Flavonoids | Chalone isomerase |
| (ii) | Rice | B | Ferritin |
