Biotechnological Application in Agriculture MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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Biotechnological Applications in Agriculture
- The three options that can be thought for increasing food production are:
- agrochemical based agriculture;
- organic agriculture; and
- genetically engineered crop-based agriculture.
- The Green Revolution succeeded in tripling the food supply but yet it was not enough to feed the growing human population.
- Increased yields have partly been due to the use of improved crop varieties, but mainly due to the use of better management practices and use of agrochemicals (fertilisers and pesticides).
- Use of genetically modified crops is a possible solution to allow farmers to obtain maximum yield from their fields, to minimise the use of fertilisers and chemicals so that their harmful effects on the environment are reduced.
- GM plants have been useful in many ways.
- Genetic modification has:
- made crops more tolerant to abiotic stresses (cold, drought, salt, heat).
- reduced reliance on chemical pesticides (pest-resistant crops).
- helped to reduce post-harvest losses.
- increased efficiency of mineral usage by plants (this prevents early exhaustion of fertility of soil).
- enhanced nutritional value of food, e.g., Vitamin ‘A’ enriched rice.
- In addition to these uses, GM has been used to create tailor-made plants to supply alternative resources to industries, in the form of starches, fuels and pharmaceuticals.
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