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प्रश्न
Plants having similar genotypes produced by plant breeding are called
विकल्प
clone
haploid
autopolyploid
genome
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उत्तर
Clone
संबंधित प्रश्न
Which steps would you follow to develop a new variety of crop plant by selective breeding?
Identify ‘a’, ‘b’ and ‘c’ in the following table:
| S. No. | Crop | Variety | Insect Pests |
| 1. | Brassica | Pusa Gaurav | ‘a’ |
| 2. | Flat bean | Pusa Sem 2 Pusa sem 3 |
‘b’ |
| 3. | ‘c’ | Pusa Sawani Pusa A-4 |
Shoot and fruit borer |
What is plant breeding?
What are analogous organs? Describe with one example from the plant kingdom.
Define Osmotic pressure.
Describe the mass flow hypothesis for translocation of organic solutes (food) in plants.
What is Biofortification? Explain selective breeding with suitable example.
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
Give a reason for the following:
Bagging is essential in artificial hybridisation.
Wheat -Atlas 66 has high contents of ______.
If a diploid cell is treated with colchicine then it becomes:
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 |
Mutations in plant cells can be induced by ______
What is meant by ‘hidden hunger’?
What is emasculation? Why and when is it done?
Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both of these problems together?
Name the improved characteristics of wheat that helped India to achieve green revolution.
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?
