Biotechnology: Principles and Processes · Biology · NEET

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MCQ (Single Correct Answer)

NEET 2024
The "Ti plasmid" of Agrobacterium tumefaciens stands for
NEET 2023 Manipur
Thermostable DNA polymerase used in PCR was isolated from :
NEET 2023 Manipur
Ligation of foreign DNA at which of the following site will result in loss of tetracyclin resistance of pBR322 :
NEET 2023 Manipur
Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-famil...
NEET 2023 Manipur
Select the incorrect statement with respect to Multiple Ovulation Embryo Transfer (MOET) Technology.
NEET 2023
Which of the following is not a cloning vector?
NEET 2022 Phase 2
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : When a particular restrictio...
NEET 2022 Phase 2
Separation of DNA fragments is done by a technique known as
NEET 2022 Phase 2
The enzyme (a) is needed for isolating genetic material from plant cells and enzyme (b) for isolating genetic material from fungus. Choose the correct...
NEET 2022 Phase 2
Match List-I with List-II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-fami...
NEET 2022 Phase 2
Pathogenic bacteria gain resistance to antibiotics due to changes in their :
NEET 2022 Phase 2
Which of the following methods is not commonly used for introducing foreign DNA into the plant cell?
NEET 2022 Phase 2
Refer to the following statements for agarose-gel electrophoresis: (a) Agarose is a natural polymer obtained from sea-weed. (b) The separation of DNA ...
NEET 2022 Phase 1
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Polymerase chain reaction i...
NEET 2022 Phase 1
Which one of the following statement is not true regarding gel electrophoresis technique?
NEET 2022 Phase 1
Given below are two statements: Statement I : Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequenc...
NEET 2022 Phase 1
Which of the following is not a desirable feature of a cloning vector?
NEET 2021
During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out :
NEET 2021
Match List-I with List-II . .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-famil...
NEET 2021
Which of the following is not an application of PCR (Polymerase Chain Reaction)?
NEET 2021
Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?
NEET 2021
Plasmid pBR322 has Pst I restriction enzyme site within gene ampR that confers ampicillin resistance. If this enzyme is used for inserting a gene for ...
NEET 2021
During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of ...
NEET 2021
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is :
NEET 2020 Phase 1
In gel electrophoresis, separated DNA fragments can be visualized with the help of
NEET 2020 Phase 1
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to
NEET 2020 Phase 1
Identify the wrong statement with regard to Restriction Enzymes
NEET 2020 Phase 1
The specific palindromic sequence which is recognized by EcoRl is
NEET 2020 Phase 1
The sequence that controls the copy number of the linked DNA in the vector, is termed
NEET 2020 Phase 1
Match the organism with its use in biotechnology (a) Bacillus thuringiensis (i) Cloning vector (b) Thermus aquaticus (ii) ...
NEET 2020 Phase 1
Choose the correct pair from the following
NEET 2019
DNA precipitation out of a mixture of bimolecules can be achieved by treatment with :
NEET 2019
Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement.
NEET 2018
The correct order of steps in Polymerase Chain Reaction (PCR) is
NEET 2017
The DNA fragments separated on an agarose gel can be visualised after staining with
NEET 2017
DNA fragments are
NEET 2017
What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ?
NEET 2017
A gene whose expression helps to identify transformed cell is known as
NEET 2017
The process of separation and purification of expressed protein before marketing is called :
NEET 2016 Phase 2
Stirred-tank bioreactors have been designed for -
NEET 2016 Phase 2
A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using
NEET 2016 Phase 2
Which of the following is not a component of downstream processing ?
NEET 2016 Phase 2
Which of the following restriction enzymes produces blunt ends ?
NEET 2016 Phase 1
The taq polymerase enzyme is obtained from
NEET 2016 Phase 1
Which of the following is not a feature of the plasmids ?
NEET 2016 Phase 1
Which of the following is a restriction endonuclease ?
NEET 2016 Phase 1
Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
AIPMT 2015
The DNA molecule to which the gene of interest is integrated for cloning is called -
AIPMT 2015
The cutting of DNA at specific locations became possible with the discovery of -
AIPMT 2014
An analysis of chromosomal DNA using the Southern hybridization technique does not use:
AIPMT 2014
Which vector can clone only a small fragment of DNA ?
AIPMT 2014
Commonly used vectors for human genome sequencing are :
NEET 2013 (Karnataka)
During the process of isolation of DNA, chilled ethanol is added to :
NEET 2013
DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by :
NEET 2013
The colonies of recombinat bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of :
NEET 2013
Which of the following is not corretly matched for the organism and its cell wall degrading enzyme ?
AIPMT 2012 Mains
Biolistics (gene-gun) is suitable for -
AIPMT 2012 Mains
Which one of the following represents a palindromic sequence in DNA ?
AIPMT 2012 Mains
In genetic engineering, the antibiotics are used
AIPMT 2012 Mains
The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it...
AIPMT 2012 Prelims
Which part would be most suitable for raising virus free plants for microporpagation ?
AIPMT 2012 Prelims
The figure below is the diagrammatic respesentation o the E.Coli vector pBR 322. Which one of the given options correctly identifies its certain compo...
AIPMT 2012 Prelims
PCR and Restriction Fragment Length Polymorphism are the methods for
AIPMT 2012 Prelims
A single strand of nucleic acid tagged with a radioactive molecule is called
AIPMT 2012 Prelims
Which one is a true statement regarding DNA polymerase used in PCR ?
AIPMT 2012 Prelims
For transformation, micro - particles coated with DNA to be bombarded with gene are made up of
AIPMT 2011 Mains
Which one of the following techniques made it possible to genetically engineer living organisms ?
AIPMT 2011 Prelims
Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it ? 5' ...............
AIPMT 2011 Prelims
There is a restriction endonuclease called EcoRl. What does "co" part in it stand for ?
AIPMT 2011 Prelims
Agarose extracted from sea weeds finds use in :
AIPMT 2010 Mains
In genetic engineering, a DNA segment (gene) of interest,is transferred to the host cell through a vector. Consider the following four agents (A-D) in...
AIPMT 2010 Prelims
DNA or RNA segment tagged with a radioactive moleculer is called –
AIPMT 2010 Prelims
Which one of the following is used as vector for cloning genes into higher organisms ?
AIPMT 2010 Prelims
Restriction endonucleases are enzymes which –
AIPMT 2010 Prelims
Which of the following are used in gene cloning ?
AIPMT 2010 Prelims
Stirred-tank bioreactors have been designed for –
AIPMT 2009
Somaclones are obtained by : -
AIPMT 2009
Which one of the following is commonly used in transfer of foreign DNA into crop plants ?
AIPMT 2008
Gel electrophoresis is used for:
AIPMT 2008
The linking of antibiotic resistance gene with the plasmid vector became possible with:
AIPMT 2006
Restriction endonuclease -
AIPMT 2006
Two microbes found to be very useful in genetic engineering are-
AIPMT 2004
Restriction endonucleases :-
AIPMT 2004
In transgenics expression of transgene in target tissue is determined by :-
AIPMT 2003
In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because : -
AIPMT 2003
Which one of the following bacteria has found extensive use in genetic engineering work in plants ?
AIPMT 2002
Manipulation of DNA in genetic engineering became possible due to the discovery of : -
AIPMT 2001
A mutant strain of T4 – Bacteriophage, R-II, fails to lyse the E-Coli but when two strains RIIX and R-IIY are mixed then they lyse the E.Coli. What ma...
AIPMT 2001
In lederberg's replica plating experiment what shall be used to obtain streptomycin resistant strain : -
AIPMT 2001
Which of the following cut the DNA from specific places ?
AIPMT 2001
Maximum number of bases in plasmids discovered so far : -
AIPMT 2000
Plasmid has been used as vector because :
AIPMT 2000
The bacteria generally used for genetic engineering is :
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