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Q. No.The human protein named \(a\)-1-antitrypsin obtained from transgenic animal, is used for the treatment of ______________.
1.
Alzheimer's disease
2.
Emphysema
3.
Rheumatoid arthritis
4.
Cystic fibrosis
Subtopic: Med Applications & Humulin |
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The inactive form of Bt toxin is converted to the active form in the insect gut _____________.
1. by nucleases
2. due to alkaline pH
3. due to acidic pH
4. by proteases
1. by nucleases
2. due to alkaline pH
3. due to acidic pH
4. by proteases
Subtopic: Bt Crops |
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The toxin proteins isolated from Bacillus thuringiensis, coded by which of the following genes would control cotton bollworms and corn borer, respectively?
1. cryIAc and cryIIIAb
2. cryIAc and cryIIAb
3. cryIAc and cryIAb
4. cryIIAb and cryIAc
1. cryIAc and cryIIIAb
2. cryIAc and cryIIAb
3. cryIAc and cryIAb
4. cryIIAb and cryIAc
Subtopic: Bt Crops |
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Arrange the following steps of somatic hybridisation in a correct sequence.
Choose the correct answer from the options given below :
| A. | Digestion of cell walls. |
| B. | Isolation of naked protoplasts. |
| C. | Fusion of protoplasts to get hybrid protoplast. |
| D. | Isolation of single cells from two different varieties of plants. |
| E. | Growing of hybrid protoplast to form a new plant. |
Choose the correct answer from the options given below :
| 1. | E, A, B, C, D | 2. | D, A, B, C, E |
| 3. | E, B, A, D, C | 4. | D, B, A, E, C |
Subtopic: Plant Tissue Culture |
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Silencing of specific mRNA is possible via RNAi because of -
| 1. | Complementary tRNA | 2. | Non-complementary ssRNA |
| 3. | Complementary dsRNA | 4. | Inhibitory ssRNA |
Subtopic: Other GM Crops |
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Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?
| 1. | Virus | 2. | Phage |
| 3. | Bacterium | 4. | Yeast |
Subtopic: Med Applications & Humulin |
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below.
1. Statement I is True but Statement II is False.
2. Statement I is False but Statement II is True.
3. Both Statement I and Statement II are True.
4. Both Statement I and Statement II are False.
| Statement I: | RNA interference takes place in all eukaryotic organisms as method of cellular defense. |
| Statement II: | RNAi involves the silencing of a specific mRNA due to a complementary single stranded RNA molecule that binds and prevents translation of mRNA |
1. Statement I is True but Statement II is False.
2. Statement I is False but Statement II is True.
3. Both Statement I and Statement II are True.
4. Both Statement I and Statement II are False.
Subtopic: Interference RNA Tech |
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The Bt toxin in genetically engineered Bt cotton kills the pest by:
| 1. | creating pores in the midgut |
| 2. | damaging the respiratory system |
| 3. | degenerating the nervous system |
| 4. | altering the pH of body fluids |
Subtopic: Bt Crops |
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-III, B-II, C- IV, D- I
2. A-II, B-I, C- IV, D- III
3. A-IV, B-III, C- I, D- II
4. A-II, B-IV, C- I, D- III
| List-I | List-II | ||
| A. | Genetically engineered Human Insulin | I. | Gene therapy |
| B. | GM Cotton | II. | E.Coli |
| C. | ADA Deficiency | III. | Antigen-antibody interaction |
| D. | ELISA | IV. | Bacillus thuringiensis |
1. A-III, B-II, C- IV, D- I
2. A-II, B-I, C- IV, D- III
3. A-IV, B-III, C- I, D- II
4. A-II, B-IV, C- I, D- III
Subtopic: Bt Crops | Other GM Crops | Med Applications & Humulin | Gene Therapy | Molecular Diagnosis |
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Following are the steps involved in action of toxin in Bt Cotton:
Choose the correct sequence of steps from the options given below:
1. E→C→B→A→D
2. B→C→A→E→D
3. A→E→B→D→C
4. B→E→C→A→D
| A. | The inactive toxin converted into active form due to alkaline pH of gut of insect |
| B. | Bacillus thuringiensis produce crystals with toxic insecticidal proteins. |
| C. | The alkaline pH solubilises the crystals. |
| D. | The activated toxin binds to the surface of midgut cells, creates pores and causes death of the insect. |
| E. | The toxin proteins exist as inactive protoxins in bacteria. |
1. E→C→B→A→D
2. B→C→A→E→D
3. A→E→B→D→C
4. B→E→C→A→D
Subtopic: Bt Crops |
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