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:  Transforming Plant & Animal Cell |
 92%
From NCERT
NEET - 2023
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Which of the following statement is incorrect above 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:  Transforming Plant & Animal Cell |
 60%
From NCERT
NEET - 2023
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Match List-I with List-II : 
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:  Transforming Plant & Animal Cell |
 91%
From NCERT
NEET - 2022
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Which of the following methods is not commonly used for introducing foreign DNA into the plant cell?
1. Agrobacterium mediated transformation
2. Gene gun
3. 'Disarmed pathogen' vectors
4. Bacteriophages
Subtopic:  Transforming Plant & Animal Cell |
 57%
From NCERT
NEET - 2022
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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:  Transforming Plant & Animal Cell |
 96%
From NCERT
AIPMT - 2012
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NEET 2025 - Target Batch
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