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Q. No.
Assertion(A):
Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with roots of pulse crops.
Reason(R):
A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which the bacterium is associated
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Other GM Crops |
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Which of the following processes is involved to control parasite Meloidogyne incognita?
1. Process based on chemical control
2. Process based on RNA interference
3. Toxin coded by a gene CryIAc
4. Recombinant DNA-technology
1. Process based on chemical control
2. Process based on RNA interference
3. Toxin coded by a gene CryIAc
4. Recombinant DNA-technology
Subtopic: Interference RNA Tech |
89%
From NCERT
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First clinical gene therapy was given in 1990 to a 4-year old girl child for treating
1. Insulin dependent diabetes
2. Phenylketonuria
3. Cystic fibrosis
4. Adenosine deaminase deficiency
1. Insulin dependent diabetes
2. Phenylketonuria
3. Cystic fibrosis
4. Adenosine deaminase deficiency
Subtopic: Gene Therapy |
96%
From NCERT
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Given below are two statements :
In light of the above statements, choose the most appropriate 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 and Statement II is false
4. Statement I is false but Statement II is true
| Statement I: | Proteins encoded by genes cryIAc and cryllAb control corn borer, that of crylAb control the cotton bollworms |
| Statement II: | Bt toxin protein exist as inactive protoxins but once an insect ingests the inactive toxin, it is converted into an active form of toxin due to the alkaline pH of the gut |
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true and Statement II is false
4. Statement I is false but Statement II is true
Subtopic: Bt Crops |
79%
From NCERT
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Milk of transgenic 'Cow Rosie' was nutritionally more balanced product for human babies than natural cow milk because it contained:
| 1. | Human protein –1–antitrypsin. |
| 2. | Human alpha–lactalbumin. |
| 3. | Human insulin–like growth factor. |
| 4. | Human enzyme Adenosine Deaminase (ADA). |
Subtopic: Transgenic Microbes & Animals |
83%
From NCERT
NEET - 2022
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Subtopic: Med Applications & Humulin |
94%
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Mark the incorrect match
| 1. | Gene therapy – Use of retrovirus to introduce cDNA into the host cell. |
| 2. | PCR – Used to detect mutations is genes in suspected cancer patients |
| 3. | ELISA – Detection of non-proteinecious antigens. |
| 4. | Probe – A single strand DNA or RNA, tagged with radioactive molecule, will never hybridized with mutated gene |
Subtopic: Molecular Diagnosis |
77%
From NCERT
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Genetically modified tobacco plants were produced using Agrobacterium vectors. Which properties of Agrobacterium help in carrying nematode specific genes into the host plant?
1. Infectious for monocot plants; has Ti plasmid
2. Infectious for dicot plants; has Ti plasmid
3. Infectious for plants and animals; has Ti plasmid
4. Infectious for monocot and dicots; has cry genes
1. Infectious for monocot plants; has Ti plasmid
2. Infectious for dicot plants; has Ti plasmid
3. Infectious for plants and animals; has Ti plasmid
4. Infectious for monocot and dicots; has cry genes
Subtopic: Bt Crops |
79%
From NCERT
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Hints
Read the following statements carefully.
How many of the above statements are correct?
1. 1
2. 2
3. 3
4. 4
| (i) | PCR is used to detect mutations in genes in suspected cancer patients. |
| (ii) | A direct method to insert a foreign gene into plant cells is micro-injection. |
| (iii) | The first transgenic cow, Rosie, produced human protein-enriched milk, i.e., 5.4 grams per litre. |
| (iv) | RNAi takes place in all eukaryotic organisms as a method of cellular defense. |
1. 1
2. 2
3. 3
4. 4
Subtopic: Molecular Diagnosis | Transgenic Microbes & Animals |
58%
From NCERT
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Match column I with column II and select the correct option.
1. a(ii), b(iv), c(i), d(iii)
2. a(i), b(ii), c(iii), d(iv)
3. a(iv), b(ii), c(i), d(iii)
4. a(ii), b(iv), c(iii), d(i)
| Column I | Column II | ||
| a. | Patent on Basmati rice by an American company | (i) | 1983 |
| b. | First clinical gene therapy | (ii) | 1997 |
| c. | Humulin by Eli Lilly Co. | (iii) | 1972 |
| d. | Construction of first recombinant DNA | (iv) | 1990 |
1. a(ii), b(iv), c(i), d(iii)
2. a(i), b(ii), c(iii), d(iv)
3. a(iv), b(ii), c(i), d(iii)
4. a(ii), b(iv), c(iii), d(i)
Subtopic: Ethical Issues |
78%
From NCERT
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