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प्रश्न
Which method of crop improvement can be practised by a farmer if he is inexperienced?
पर्याय
clonal selection
mass selection
pureline selection
hybridisation
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उत्तर
mass selection
Explanation:
Mass selection is easy and suitable for inexperienced farmers because it involves selecting seeds from healthy, high-yielding plants without needing special skills or tools.
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संबंधित प्रश्न
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.
Golden rice is a hybrid.
In vitro fertilisation means the fertilisation done inside the body.
Assertion: Hybrid is superior than either of its parentsReason: Hybrid vigour is lost upon inbreeding.
Give the name of wheat variety having higher dietary fibre and protein.
Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.
Name three improved characteristics of wheat that helped India to achieve high productivity
With a neat labelled diagram explain the techniques involved in gene cloning.
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.
