Advertisements
Advertisements
प्रश्न
Plants having similar genotypes produced by plant breeding are called
पर्याय
clone
haploid
autopolyploid
genome
Advertisements
उत्तर
Clone
संबंधित प्रश्न
Which steps would you follow to develop a new variety of crop plant by selective breeding?
How has mutation breeding helped in improving the production of mung bean crop?
Enumerate four objectives for improving the nutritional quality of different crops for the health benefits of the human population by the process of "Biofortification".
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
With the help of suitable diagram define 'bagging' and 'tagging' of flower.
What is heterosis?
Define Osmotic pressure.
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.
Give the scientific term used for the preservation of germplasm at a very low temperature.
Which one of the following crop varieties correct matches with its resistance to disease?
| Variety | Resistance to disease |
| a) Pusa Komal | Bacterial blight |
| b) Pusa Sadabahar | White rust |
| c) Pusa Shubhra | Chilli mosaic virus |
| d) Brassica | Pusa swarnim |
Breeding of crops with high levels of minerals:
Mechanism of fast Speciation in crop plants is ______.
What is meant by ‘hidden hunger’?
Discuss the two main limitations of plant hybridization programme.
The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.
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?
Discuss briefly the technology that made us self-sufficient in food production.
Match the following:
| Sr. No. | Column I | Column II | |
| (i) | Eutrophication | (a) | A soil erosion |
| (ii) | Biomagnification | (b) | carbon monoxide, methane |
| (iii) | Particulate pollutant | (c) | Prevention of extinction |
| (iv) | Conservation | (d) | Dust, smog |
| (v) | Gaseous pollutants | (e) | Accumulation of nonbiodegradable substances |
| (vi) | Deforestation | (f) | Death of aquatic ecosystem |
