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प्रश्न
Biofortification may help in removing hidden hunger. How?
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उत्तर
Biofortification: Biofortification is the scientific process of developing crop plants enriched with high levels of desirable nutrients like vitamins, proteins and minerals. Some examples of crop varieties developed as a result of biofortification are given below:
- Protina, Shakti and Rathna are lysine rich maize hybrids (developed in India).
- Atlas 66, a protein rich wheat variety.
- Iron rich fortified rice variety’.
- Vitamin A enriched carrots, pumpkin and spinach.
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संबंधित प्रश्न
Which method of crop improvement can be practised by a farmer if he is inexperienced?
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.
Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.
Golden rice is a hybrid.
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.
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.
Higher Order Thinking Skill (HOT)
Polyploids are characterised by gigantism. Justify your answer.
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.
