What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ?

1. The larger the fragment size, the farther it moves
2. The smaller the fragment size, the farther it moves
3. Positively charged fragments move to farther end
​​​​​​​
4. Negatively charged fragments do not move

Subtopic:  Process of Biotech |
 91%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

A gene, whose expression helps to identify transformed cells is known as

1. selectable marker                 

2. vector

3. plasmid                                 

4. structural gene

Subtopic:  Selectable Markers: II | Selectable Markers |
 87%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

The DNA fragments separated on an agarose gel can be visualised after staining with

(1) bromophenol blue

(2) acetocarmine

(3) aniline blue 

(4) ethidium bromide

Subtopic:  Process of Biotech |
 96%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

advertisementadvertisement

Stirred-tank bioreactors have been designed for:

1. purification of product

2. addition of preservatives to the product

3. availability of oxygen throughout the process

4. ensuring anaerobic conditions in the culture vessel

Subtopic:  Large Scale Production: II | Large Scale Production |
 79%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

Which of the following is not a component of downstream processing?

1. Separation

2. Purification

3. Preservation

4. Expression

Subtopic:  Large Scale Production: II | Large Scale Production |
 77%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

The Taq polymerase enzyme is obtained from

1. Thiobacillus ferroxidans

2. Bacillus subtilis

3. Pseudomonas subtilis

4. Thermus aquaticus

Subtopic:  Polymerase Chain Reaction: PCR |
 94%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

advertisementadvertisement

The cutting of DNA at specific locations became possible with the discovery of 

(1) restriction enzymes

(2) probes

(3) selectable markets

(4) ligases

Subtopic:  Introduction & History: II | Tools: Enzymes: II | Introduction & History | Tools |
 94%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

The DNA molecule to which the gene of interest is integrated for cloning is called:

1. Transformer 2. Vector
3. Template 4. Carrier
Subtopic:  Tools: Vectors: I | Tools |
 85%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by

1. centrifugation
2. polymerase chain reaction
3. electrophoresis
4. restriction mapping
Subtopic:  Process of Biotech |
 88%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

advertisementadvertisement

Which of the following is not correctly matched for the organism and its cell wall

degrading enzyme?

1. Bacteria —Lysozyme

2. Plant cells — Cellulase

3. Algae —Methylase

4. Fungi — Chitinase

Subtopic:  Host & Desired DNA: II | Host & Desired DNA |
 92%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital