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Q. No.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
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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The first transgenic cow produced:
| 1. | enzyme to treat emphysema |
| 2. | human protein enriched milk |
| 3. | enzyme to treat phenylketonuria |
| 4. | organs for xenotransplantation |
Subtopic: Transgenic Microbes & Animals |
93%
From NCERT
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