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प्रश्न
Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.
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उत्तर
Dee-geo-woo-gen a dwarf variety from China.
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संबंधित प्रश्न
Which method of crop improvement can be practised by a farmer if he is inexperienced?
Economically important crop plants with superior quality are raised by ______.
Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.
The process of producing an organism with more than two sets of chromosome is called mutation.
A group of plants produced from a single plant through vegetative or asexual reproduction are called a pureline.
Assertion: Hybrid is superior than either of its parentsReason: Hybrid vigour is lost upon inbreeding.
Assertion: Colchicine reduces the chromosome number.
Reason: It promotes the movement of sister chromatids to the opposite poles.
Give the name of wheat variety having higher dietary fibre and protein.
Name three improved characteristics of wheat that helped India to achieve high productivity
Higher Order Thinking Skill (HOT)
‘P’ is a gene required for the synthesis of vitamin A. It is integrated with genome of ‘Q’ to produce genetically modified plant ‘R’.
- What is P, Q and R?
- State the importance of ‘R’ in India.
