- 1(current)
Q. No.Identify the properties of a good vector used in rDNA technology:
| (a) | It should have origin of replication supporting a high copy number |
| (b) | It should have preferably more than '2' recognition sites |
| (c) | The restriction sites in vector should be in the antibiotic- resistant genes |
| (d) | It should have suitable marker genes |
| (e) | It should be easy to isolate and purify |
Choose the most appropriate answer from the options given below:
| 1. | (a), (c) and (e) only | 2. | (c), (d) and (e) only |
| 3. | (a), (b) and (c) only | 4. | (a), (c), (d) and (e) only |
Subtopic: Â Cloning Vector |Â Tools |
 86%
From NCERT
NEET - 2022
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The sequence that controls the copy number of the linked DNA in the vector is termed as :
1. Ori site
2. Palindromic sequence
3. Recognition site
4. Selectable marker
2. Palindromic sequence
3. Recognition site
4. Selectable marker
Subtopic: Â Tools: Vectors: I |Â Tools |
 77%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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The specific palindromic sequence which is recognized by EcoRI is:
| 1. | 5' -GGAACC-3' 3'-CCTTGG-5' |
2. | 5'-CTTAAG-3' 3'-GAATTC-5' |
| 3. | 5'-GGATCC-3' 3'-CCTAGG-5' |
4. | 5'-GAATTC-3' 3'-CTTAAG-5' |
Subtopic: Â Tools: Enzymes: I |Â Restriction Enzymes - Main Enzymes |Â Tools |
 82%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Match the following enzymes with their functions:
|
Column-I |
Column-II |
||
|
(a) |
Restriction endonuclease |
(i) |
joins the DNA fragments |
|
(b) |
Exonuclease |
(ii) |
extends primers on genomic DNA template |
|
(c) |
DNA ligase |
(iii) |
cuts DNA at a specific position |
|
(d) |
Tag polymerase |
(iv) |
removes nucleotides from the ends of DNA |
Select the correct option from the following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (ii) | (iv) | (i) | (iii) |
Subtopic: Â Tools: Enzymes: I |Â Tools: Enzymes: II |Â Tools |
 90%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
An enzyme catalysing the removal of nucleotides from ends of DNA is:
1. DNA ligase
2. Endonuclease
3. Exonuclease
4. Protease
Subtopic: Â Tools: Enzymes: I |Â Tools |
 88%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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- 1(current)
Q. No.
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