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Question
A transgenic food crop which may help in solving the problems of night blindness in developing countries is
A transgenic food crop which may help in solving the problems of night blindness in developing countries is
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Solution
The correct option is B golden rice
A plant breeding programme that aims at the improved nutritional quality of a crop variety is called biofortification.
A major section of the population in the world is not getting adequate amounts of micronutients through the food they eat, they are suffering from micronutrient deficiency or hidden hunger.
To overcome the problems related to hidden hunger, breeding crops with higher levels of proteins, minerals, vitamins, healthy fats, etc. is being practiced through biofortification.
Golden rice is one such transgenic (organisms carrying foreign genes from another organism) variety of rice (Oryza sativa) which contains good quantities of β-carotene (precursor of vitamin A). The elevated levels of β - carotene gives it a golden color. It is a biofortified rice.
Upon consumption, the β-carotene obtained from the rice can be converted into vitamin A. This would help to overcome the deficiency of vitamin A in the diet. Deficiency of vitamin A causes night blindness. Thus, golden rice may help in solving the problems related to night blindness in developing countries. Hence option b is correct.
Night blindness is the inability to see well at night or in poor light conditions.
Bt brinjal is a genetically modified crop (transgenic plant) carrying the Bt gene from Bacillus thuringiensis which protect the plant against insect pests. It is not a biofortified crop.
Soybean is a protein rich crop for human consumption. Being a legumonious crop, it adds nitrogen to the soil and is also used for oil production. Bt soybean is a genetically modified crop (transgenic plant) carrying the Bt gene from Bacillus thuringiensis which protect the plant against insect pests. Bt soybean does not have improved nutritional content, that means they are not biofortified.
Atlas 66 is a biofortified vareity of wheat with high protein content. It has high content of the amino acid lysine in it. Due to its high protein content, Atlas 66 is used in plant breeding programmes to improve the wheat quality.
Transgenic plants are developed for various reasons like increasing the nutrient content, pest resistance, industrial purpose (biofuels) etc. Transgenic crops with increased nutrient content is called biofortified variety.
A plant breeding programme that aims at the improved nutritional quality of a crop variety is called biofortification.
A major section of the population in the world is not getting adequate amounts of micronutients through the food they eat, they are suffering from micronutrient deficiency or hidden hunger.
To overcome the problems related to hidden hunger, breeding crops with higher levels of proteins, minerals, vitamins, healthy fats, etc. is being practiced through biofortification.
Golden rice is one such transgenic (organisms carrying foreign genes from another organism) variety of rice (Oryza sativa) which contains good quantities of β-carotene (precursor of vitamin A). The elevated levels of β - carotene gives it a golden color. It is a biofortified rice.
Upon consumption, the β-carotene obtained from the rice can be converted into vitamin A. This would help to overcome the deficiency of vitamin A in the diet. Deficiency of vitamin A causes night blindness. Thus, golden rice may help in solving the problems related to night blindness in developing countries. Hence option b is correct.
Night blindness is the inability to see well at night or in poor light conditions.
Bt brinjal is a genetically modified crop (transgenic plant) carrying the Bt gene from Bacillus thuringiensis which protect the plant against insect pests. It is not a biofortified crop.
Soybean is a protein rich crop for human consumption. Being a legumonious crop, it adds nitrogen to the soil and is also used for oil production. Bt soybean is a genetically modified crop (transgenic plant) carrying the Bt gene from Bacillus thuringiensis which protect the plant against insect pests. Bt soybean does not have improved nutritional content, that means they are not biofortified.
Atlas 66 is a biofortified vareity of wheat with high protein content. It has high content of the amino acid lysine in it. Due to its high protein content, Atlas 66 is used in plant breeding programmes to improve the wheat quality.
Transgenic plants are developed for various reasons like increasing the nutrient content, pest resistance, industrial purpose (biofuels) etc. Transgenic crops with increased nutrient content is called biofortified variety.
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