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प्रश्न
Which one of the following is not a fungal disease?
पर्याय
Rust of wheat
Smut of Bajra
Black rot of crucifers
Red rot of sugarcane
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उत्तर
Black rot of crucifers
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संबंधित प्रश्न
Suggest four important steps to produce a disease resistant plant through conventional plant breeding technology.
Enumerate four objectives for improving the nutritional quality of different crops for the health benefits of the human population by the process of "Biofortification".
With the help of suitable diagram define 'bagging' and 'tagging' of flower.
State one characteristic of millets that has been improved as a result of hybrid breeding so as to produce high yielding millet crops.
Name the scientists who Coined the term Diffusion Pressure Deficit
Define Osmotic pressure.
What are components of water potential? Explain
Describe briefly various steps of plant breeding methods.
Plants having similar genotypes produced by plant breeding are called
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
Crosses between the plants of the same variety are called
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 |
Give any four advantages of mutation breeding.
Breeding of crops with high levels of minerals:
The plant which is used for Studying hybrid vigour or heterocyst:
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
Give two important contributions of Dr. M. S. Swaminathan.
What is meant by germplasm collection?
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
