Biotechnology Questions

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

Which one of the following is a correct statement?

A tumor inducing plasmid widely used in the production of transgenic plants is that of:

Electroporation procedure involves:

Assertion : In recombinant DNA technology, human genes are often transferred into bacteria (prokaryotes) or yeast (eukaryote).Reason : Both bacteria and yeast multiply very fast to form huge populations which express the desired gene.

$Agrobacterium$ $tumefaciens$ is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse crops.

A transgenic food crop which may help in solving the problem of night blindness in developing countries is:

Gel electrophoresis is used for:

The genetic defect — adenosine deaminase ($\text{ADA}$) deficiency may be cured permanently by:

The linking of an antibiotic resistance gene with a plasmid vector became possible with:

The main objective of the production/use of herbicide-resistant $\text{GM}$ crops is to:

Human insulin is being commercially produced from a transgenic species of:

What is antisense technology?

Polyethylene glycol ($\text{PEG}$) method is used for:

Which one of the following is commonly used in transfer of foreign $\text{DNA}$ into crop plants?

Which kind of therapy was given in 1990 to a four-year-old girl with adenosine deaminase (ADA) deficiency?

Commonly used vectors for human genome sequencing are:

Which of the following Bt crops is being grown in India by farmers?

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

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

Which of the following is commonly used as a vector for cloning genes in higher plants?

The first human hormone produced by recombinant DNA technology is:

An analysis of chromosomal DNA using the Southern hybridization technique does not use:

In vitro clonal propagation in plants is characterized by:

Which vector can clone only a small fragment of DNA?

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

To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

A protoplast is a cell:

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

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

Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of:

The introduction of t-DNA into plants involves:

Which of the following is not a feature of the plasmids?

The Taq polymerase enzyme is obtained from:

What is it that forms the basis of DNA fingerprinting?

Stirred-tank bioreactors have been designed for:

Which of the following is not required for any of the techniques of DNA fingerprinting available at present?

A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using:

Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells):

The first clinical gene therapy was given for treating:

The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification?

Biolistics (gene-gun) is suitable for:

In genetic engineering, the antibiotics are used:

Which of the following is a restriction endonuclease?

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

Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?

A single strand of nucleic acid tagged with a radioactive molecule is called:

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)?

PCR and Restriction Fragment Length Polymorphism (RFLP) are the methods for:

Which part would be most suitable for raising virus-free plants for micropropagation?

For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of: