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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
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.
______ is the chemical used for doubling the chromosomes.
A group of plants produced from a single plant through vegetative or asexual reproduction are called a pureline.
Golden rice is a hybrid.
Assertion: Hybrid is superior than either of its parentsReason: Hybrid vigour is lost upon inbreeding.
Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.
State the importance of biofertiliser.
Describe mutation breeding with an example.
Biofortification may help in removing hidden hunger. How?
With a neat labelled diagram explain the techniques involved in gene cloning.
