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Q. No.Golden rice has been produced by:
1. Cross hybridisation with wild varieties
2. Transforming rice by genetic engineering
3. Mutation breeding
4. Somatic hybridisation
Subtopic: Bt Crops |
83%
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Which of the following is probably the most economically important plant-parasitic nematode species among the tropical and subtropical regions?
1. Meloidogyne incognita
2. Coenorhabditis elegans
3. Heterodera glycines
4. Arthrobotrys dactyloides
1. Meloidogyne incognita
2. Coenorhabditis elegans
3. Heterodera glycines
4. Arthrobotrys dactyloides
Subtopic: Interference RNA Tech |
83%
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Consider the given two statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct
| I: | Spores and crystalline insecticidal proteins produced by B. thuringiensis are now used as insecticides in organic farming. |
| II: | Because of their specificity, these pesticides are regarded as environmentally friendly, with little or no effect on humans, wildlife, pollinators, and most other beneficial insects. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct
Subtopic: Bt Crops |
75%
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The biggest advantage of growing Bt cotton instead of non-Bt varieties is:
| 1. | reductions in pesticides to be sprayed on a crop and the ecological benefits which stem from that. |
| 2. | increased yield of cotton due to effective control of three types of bollworms |
| 3. | Reduction in predators which help in controlling the bollworms by feeding on larvae and eggs of bollworm |
| 4. | Potential reduction in the cost of cultivation |
Subtopic: Bt Crops |
55%
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Flavr Savr, a GM tomato, has been developed for:
1. Insect resistance
2. Increased shelf life
3. Herbicide resistance
4. Increased vitamin A content
1. Insect resistance
2. Increased shelf life
3. Herbicide resistance
4. Increased vitamin A content
Subtopic: Other GM Crops |
68%
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In 1995, the European Patent Office wrongly granted a patent on an anti-fungal product derived from Azadirachta indica to the US Department of Agriculture and W. R. Grace and Company. The common name of this plant in India is:
1. Haldi
2. Neem
3. Basmati
4. Arjun
1. Haldi
2. Neem
3. Basmati
4. Arjun
Subtopic: Ethical Issues |
57%
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The first licensed drug generated using recombinant DNA technology was:
1. Human growth hormone
2. Human insulin
3. Tissue plasminogen activator
4. Factor VIII
1. Human growth hormone
2. Human insulin
3. Tissue plasminogen activator
4. Factor VIII
Subtopic: Med Applications & Humulin |
92%
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Consider the two statements:
| I: | Diseases such as sickle cell disease that are caused by autosomal recessive disorders may be a good candidate for gene therapy treatment. |
| II: | For such disorders, a person's normal phenotype or cell function may be restored in cells that have the disease by a normal copy of the gene that is mutated. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct but II is incorrect |
| 4. | Both I and II are incorrect |
Subtopic: Gene Therapy |
67%
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The main challenge for production of insulin using rDNA techniques was:
1. getting insulin assembled into a mature form.
2. isolating DNA in pure form from human cell
3. selecting the vector for cloning the gene
4. purification of the human insulin
1. getting insulin assembled into a mature form.
2. isolating DNA in pure form from human cell
3. selecting the vector for cloning the gene
4. purification of the human insulin
Subtopic: Med Applications & Humulin |
87%
From NCERT
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Identify the incorrect statement:
| 1. | PCR is now routinely used to detect HIV in suspected AIDS patients. |
| 2. | PCR is being used to detect mutations in genes in suspected cancer patients. |
| 3. | ELISA is based on the principle of antigen-antibody interaction. |
| 4. | ELISA does not detect antibodies and can detect only antigens. |
Subtopic: Molecular Diagnosis |
89%
From NCERT
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