Practice 147 Biotechnology questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.
Agrobacteriumtumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse crops.
Q102mediummcqBiologyBiology
In cloning of cattle a fertilized egg is taken out of the mother's womb and:
Q103mediummcqBiologyBiology
A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of:
Q104mediummcqBiologyBiology
Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
Q105easymcqBiologyBiology
Gel electrophoresis is used for:
Q106easymcqBiologyBiology
Cry 1 endotoxins obtained from Bacillus thuringiensis are effective against:
Q107easymcqBiologyBiology
The linking of an antibiotic resistance gene with a plasmid vector became possible with:
Q108easymcqBiologyBiology
The main objective of the production/use of herbicide-resistant GM crops is to:
Q109easymcqBiologyBiology
Human insulin is being commercially produced from a transgenic species of:
Q110easymcqBiologyBiology
What is antisense technology?
Q111mediummcqBiologyBiology
Polyethylene glycol (PEG) method is used for:
Q112easymcqBiologyBiology
Which one of the following is commonly used in transfer of foreign DNA into crop plants?
Q113mediummcqBiologyBiology
Commonly used vectors for human genome sequencing are:
Q114easymcqBiologyBiology
Which of the following Bt crops is being grown in India by farmers?
Q115easymcqBiologyBiology
DNA fragments generated by restriction endonucleases in a chemical reaction can be separated by:
Q116mediummcqBiologyBiology
The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of:
Q117easymcqBiologyBiology
Which of the following is commonly used as a vector for cloning genes in higher plants?
Q118easymcqBiologyBiology
The first human hormone produced by recombinant DNA technology is:
Q119mediummcqBiologyBiology
An analysis of chromosomal DNA using the Southern hybridization technique does not use:
Q120hardmcqBiologyBiology
In vitro clonal propagation in plants is characterized by:
Q121mediummcqBiologyBiology
Which vector can clone only a small fragment of DNA?
Q122easymcqBiologyBiology
Which one is a true statement regarding DNA polymerase used in PCR?
Q123easymcqBiologyBiology
To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
Q124mediummcqBiologyBiology
A protoplast is a cell:
Q125easymcqBiologyBiology
The DNA molecules to which the gene of interest is integrated for cloning is called:
Q126easymcqBiologyBiology
The cutting of DNA at specific locations became possible with the discovery of:
Q127easymcqBiologyBiology
Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of:
Q128mediummcqBiologyBiology
The introduction of t-DNA into plants involves:
Q129easymcqBiologyBiology
Stirred-tank bioreactors have been designed for:
Q130easymcqBiologyBiology
Which kind of therapy was given in 1990 to a four-year-old girl with adenosine deaminase (ADA) deficiency?
Q131easymcqBiologyBiology
What is it that forms the basis of DNA fingerprinting?
Q132easymcqBiologyBiology
A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using:
Q133easymcqBiologyBiology
Which of the following is not a component of downstream processing?
Q134easymcqBiologyBiology
The Taq polymerase enzyme is obtained from:
Q135mediummcqBiologyBiology
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells):
Q136easymcqBiologyBiology
The first clinical gene therapy was given for treating:
Q137hardmcqBiologyBiology
The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification?
Q138easymcqBiologyBiology
Biolistics (gene-gun) is suitable for:
Q139easymcqBiologyBiology
In genetic engineering, the antibiotics are used:
Q140easymcqBiologyBiology
Which of the following restriction enzymes produces blunt ends?
Q141mediummcqBiologyBiology
Which one of the following is a case of wrong matching?
Q142easymcqBiologyBiology
Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?
Q143easymcqBiologyBiology
A single strand of nucleic acid tagged with a radioactive molecule is called:
Q144mediummcqBiologyBiology
The figure below is the diagrammatic representation of the E. coli vector pBR322. Which one of the given options correctly identifies its certain component(s)?
Q145mediummcqBiologyBiology
PCR and Restriction Fragment Length Polymorphism (RFLP) are the methods for:
Q146easymcqBiologyBiology
Which part would be most suitable for raising virus-free plants for micropropagation?
Q147easymcqBiologyBiology
For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of:
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