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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
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.
Economically important crop plants with superior quality are raised by ______.
A group of plants produced from a single plant through vegetative or asexual reproduction are called a pureline.
In vitro fertilisation means the fertilisation done inside the body.
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.
State the importance of biofertiliser.
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.
