- 1(current)
Q. No.In gene gun method used to introduce alien DNA into host cells, microparticles of ___________ metal are used.
| 1. | Silver | 2. | Copper |
| 3. | Zinc | 4. | Tungsten or gold |
Subtopic: Â Transforming Plant & Animal Cell |
 93%
Level 1: 80%+
NEET - 2023
Hints
Which of the following statement is incorrect about Agrobacterium tumefaciens ?
| 1. | It is used to deliver gene of interest in both prokaryotic as well as eukaryotic host cells. |
| 2. | 'Ti' plasmid from Agrobacterium tumefaciens used for gene transfer is not pathogenic to plant cells. |
| 3. | It transforms normal plant cells into tumor cells. |
| 4.. | It delivers 'T-DNA' into plant cell. |
Subtopic: Â Transforming Plant & Animal Cell |
 61%
Level 2: 60%+
NEET - 2023
Hints
Match List-I with List-II :
Choose the correct answer from the options given below:
| List I | List II | ||
| (a) | Gene gun | (i) | Replacement of a faulty gene by a normal healthy gene |
| (b) | Gene therapy | (ii) | Used for transfer of gene |
| (c) | Gene cloning | (iii) | Total DNA in the cells of an organism |
| (d) | Genome | (iv) | To obtain identical copies of a particular DNA molecule |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iii) | (ii) | (iv) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (ii) | (iii) | (iv) | (i) |
Subtopic: Â Transforming Plant & Animal Cell |
 92%
Level 1: 80%+
NEET - 2022
Hints
Which of the following methods is not used, commonly, for introducing foreign DNA into the plant cell?
1. Agrobacterium mediated transformation
2. Gene gun
3. 'Disarmed pathogen' vectors
4. Bacteriophages
1. Agrobacterium mediated transformation
2. Gene gun
3. 'Disarmed pathogen' vectors
4. Bacteriophages
Subtopic: Â Transforming Plant & Animal Cell |
 59%
Level 3: 35%-60%
NEET - 2022
Hints
For transformation, microparticles coated with DNA to be bombarded with gene gun are made up of:
1. Silver or platinum
2. Platinum or zinc
3. Silicon or platinum
4. Gold or tungsten
Subtopic: Â Transforming Plant & Animal Cell |
 96%
Level 1: 80%+
AIPMT - 2012
Hints
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- 1(current)
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