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Question
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
Options
cloning
heterosis
selection
introduction
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Solution
Introduction
RELATED QUESTIONS
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
State one characteristic of millets that has been improved as a result of hybrid breeding so as to produce high yielding millet crops.
What is heterosis?
Explain the effect of light and temperature on photosynthesis.
Give a reason for the following:
Bagging is essential in artificial hybridisation.
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:
Give few examples of biofortified crops. What benefits do they offer to the society?
How the resistance in crops can be developed?
