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प्रश्न
Assertion: Colchicine reduces the chromosome number.
Reason: It promotes the movement of sister chromatids to the opposite poles.
विकल्प
Assertion is correct and reason is wrong
Reason is correct and the assertion is wrong
Both assertion and reason is correct
Both assertion and reason is wrong.
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उत्तर
Both assertion and reason is wrong.
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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 ______.
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.
Iron fortified rice variety determines the protein quality of the cultivated plant
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.
Biofortification may help in removing hidden hunger. How?
With a neat labelled diagram explain the techniques involved in gene cloning.
Higher Order Thinking Skill (HOT)
Polyploids are characterised by gigantism. Justify your answer.
