Which vector can clone only a small fragment of DNA?

1. Bacterial artificial chromosome

2. Yeast artificial chromosome

3. Plasmid

4. Cosmid

Subtopic:  Tools: Vectors: I | Tools |
 75%
NEET - 2014
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of 

(1) Non-recombinant bacteria containing β-galactosidase

(2) Insertional inactivation of α-galactosidase in non-recombinant bacteria

(3) Insertional inactivation of β-galactosidase in recombinant bacteria

(4) Inactivation of glycosidase enzyme in recombinant bacteria

 

Subtopic:  Selectable Markers: III | Selection of Recombinant Transformants | Selectable Markers |
 68%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The figure below is the diagrammatic representation of the E.Coli vector pBR 322. Which one of the given options correctly identifies its certain components (s)?

1. Ori-original restriction enzyme

2. rop-reduced osmotic pressure

3. Hind III, Eco RI -selectable markers

4. ampR, tetR-antibiotic resistance genes

Subtopic:  Tools: Vectors: II | Cloning Vector | Tools |
 84%
From NCERT
NEET - 2012
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following is a case of wrong matching ?

1. Somatic hybridisation - Fusion of two diverse cells

2. Vector DNA - Site for tRNA synthesis

3. Micropropogation - In vitro production of plants in large numbers

4. Callus - Unorganised mass of cells produced in tissue culture

Subtopic:  Tools: Vectors: I | Tools |
 72%
NEET - 2012
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which one is a true statement regarding DNA polymerase used in PCR?

1. It is used to ligate introduced DNA in recipient cells

2. It serves as a selectable marker

3. It is isolated from a virus

4. It remains active at high temperature

Subtopic:  Large Scale Production: I | Large Scale Production |
 76%
From NCERT
NEET - 2012
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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:  Tools: Vectors: II | Tools |
 95%
From NCERT
NEET - 2012
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Given below is a sample of portion of DNA strand giving the base sequence on the

opposite strands. What is so, special shown in it?

5'__ GAATTC_ 3'

3' __ CTTAAG__5'

1. Deletion mutation

2. Start codon at the 5' end

3. Palindromic sequence of base pairs

4. Replication completed

Subtopic:  Tools: Enzymes: II | Restriction Enzymes - Main Enzymes | Tools |
 96%
From NCERT
NEET - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

There is a restriction endonuclease called Eco RI. What does 'co' part in it stand for?

1. Coelom                         

2. Coenzyme

3. coli                               

4. Colon

Subtopic:  Tools: Enzymes: II | Tools |
 90%
From NCERT
NEET - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch