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Q. No.Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | Bt toxins are insect group specific and coded by a gene cry IAc. |
| Statement II: | Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect, the inactive protoxin gets converted into active form due to acidic pH of the insect gut. |
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Bt Crops |
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The capacity to generate a whole plant from any cell of the plant is called:
1. Micropropagation
2. Differentiation
3. Somatic hybridization
4. Totipotency
1. Micropropagation
2. Differentiation
3. Somatic hybridization
4. Totipotency
Subtopic: Plant Tissue Culture |
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Which of the following are fused in somatic hybridization involving two varieties of plants?
1. Somatic embryos
2. Protoplasts
3. Pollens
4. Callus
1. Somatic embryos
2. Protoplasts
3. Pollens
4. Callus
Subtopic: Plant Tissue Culture |
66%
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-III, B-IV, C-I, D-II
3. A-II, B-IV, C-I, D-III
4. A-II, B-I, C-IV, D-III
| List I | List II | ||
| A. | \(\alpha-1\) antitrypsin | I. | Cotton bollworm |
| B. | Cry IAb | II. | ADA deficiency |
| C. | Cry IAc | III. | Emphysema |
| D. | Enzyme replacement therapy | IV. | Corn borer |
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-III, B-IV, C-I, D-II
3. A-II, B-IV, C-I, D-III
4. A-II, B-I, C-IV, D-III
Subtopic: Intro to Agri Applications | Bt Crops | Gene Therapy |
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Given below are two statements:
In light of the above statements, choose the correct answer from the options given below.
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
| Statement I: | Two DNA sequences were prepared corresponding to A and B, chains of human insulin and were introduced in the plasmids of Agrobacterium to produce insulin chain. |
| Statement II: | Chain A and B were produced separately, extracted and combined by creating disulphide bonds to form human insulin. |
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
Subtopic: Med Applications & Humulin |
61%
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Important objective of biotechnology in agriculture is to:
1. produce pest resistant varieties of plant.
2. increase nitrogen content in plant.
3. decrease the seed number.
4. increase the plant weight.
1. produce pest resistant varieties of plant.
2. increase nitrogen content in plant.
3. decrease the seed number.
4. increase the plant weight.
Subtopic: Intro to Agri Applications |
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).
In light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Some ethical standards are required to evaluate the morality of scientific human activities that might help or harm living organisms. |
| Reason (R): | Genetic Engineering Approval Committee make decisions regarding the validity of Genetically Modified (GM) research and the safety of introducing GM organisms for public services. |
| 1. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
| 3. | (A) is correct but (R) is not correct |
| 4. | (A) is not correct but (R) is correct. |
Subtopic: Ethical Issues |
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Bt toxin protein that can kill many insects, doesn't kill the Bacillus because:
| 1. | Bt toxin requires acidic pH for activation |
| 2. | Bacillus has protective mechanism against it |
| 3. | In Bacillus, it is present in an inactive state and once insects ingests it, it is converted to active form |
| 4. | The protoxin requires protein conjugate for its activation |
Subtopic: Bt Crops |
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From NCERT
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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: | The Indian Government has set up GEAC, which will make decisions regarding the validity of GM research. |
| Statement II: | Biopiracy is the term used to refer to the use of bio-resources by native people |
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: Ethical Issues |
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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 |
72%
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