Q. No.Which of the following is not a critical research area of biotechnology
| 1. | Providing a best catalyst in the form of improved organism usually microbe or pure enzyme |
| 2. | Creating optimal conditions through engineering for a catalyst to act |
| 3. | Downstream processing technologies to purify the protein or organic compound |
| 4. | Upstream processing of all the activated antibodies and plasminogens in plant body |
Subtopic: Â Intro to Agri Applications |
 82%
Level 1: 80%+
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Transgenic plants are the ones
| 1. | Grown in artificial medium after hybridization in the field |
| 2. | Produced by a somatic embryo in artificial medium |
| 3. | Generated by introducing foreign DNA in to a cell and generating a plant from that cell |
| 4. | Produced after protoplast fusion in artificial medium |
Subtopic: Â Intro to Agri Applications |
 89%
Level 1: 80%+
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The options that can be thought for increasing food production include-
| 1. | Agro-chemical based agriculture |
| 2. | Organic agriculture |
| 3. | Genetically engineered crop based agriculture |
| 4. | All of these |
Subtopic: Â Intro to Agri Applications |
 91%
Level 1: 80%+
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Genetic modification is useful in all of the given ways, except
| 1. | Reduced reliance on chemical pesticides |
| 2. | Enhanced nutritional value of food |
| 3. | Made crops more sensitive to abiotic stresses |
| 4. | Helped to reduce post harvest losses |
Subtopic: Â Intro to Agri Applications |
 90%
Level 1: 80%+
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Which of the following cannot be considered as benefit of genetically modified organisms?
| 1. | Tolerance to abiotic stresses |
| 2. | Heavy reliance on chemical pesticides |
| 3. | Increased efficiency of mineral usage |
| 4. | Enhanced nutritional value |
Subtopic: Â Intro to Agri Applications |Â Bt Crops |Â Other GM Crops |
 88%
Level 1: 80%+
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The introduction of t-DNA into plant involves
| 1. | Allowing the plant roots to stand in water |
| 2. | Infection of the plant by Agrobacterium tumefaciens |
| 3. | Altering the pH of the soil, then heat-shocking the plants |
| 4. | Exposing the plants to cold for a brief period |
Subtopic: Â Intro to Agri Applications |
 88%
Level 1: 80%+
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What was the main reason for the increased crop yields during the Green Revolution?
| 1. | Use of genetically modified crops |
| 2. | Improved crop varieties along with better management practices and agrochemicals |
| 3. | Exclusive reliance on organic farming methods |
| 4. | Reduction in human population growth |
Subtopic: Â Intro to Agri Applications |
 88%
Level 1: 80%+
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Which of the following is not an advantage of GM crops?
| 1. | Increased crop tolerance to salt in soil |
| 2. | Increased reliance on chemical pesticides |
| 3. | Reduction in post-harvest losses |
| 4. | Increased efficiency of mineral usage |
Subtopic: Â Intro to Agri Applications |
 86%
Level 1: 80%+
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Genetically Modified Organisms (GMOs) are those in which genes have been:
| 1. | rearranged by mutation breeding |
| 2. | altered by human manipulation |
| 3. | exchanged through hybridisation |
| 4. | modified only by natural selection |
Subtopic: Â Intro to Agri Applications |
 86%
Level 1: 80%+
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Which of the following is a major limitation of the first Green Revolution?
| 1. | Increased crop diversity |
| 2. | Excessive use of chemical fertilizers and pesticides |
| 3. | Reduced water consumption |
| 4. | Lower crop yields |
Subtopic: Â Intro to Agri Applications |
 67%
Level 2: 60%+
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