Biotechnology and Its Applications

Which one of the following vectors is used to replace the defective gene in gene therapy?

Which one of the following is commonly used in transfer of foreign DNA into crop plants?

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

The linking of antibiotic resistance gene with the plasmid vector became possible with

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

Which one of the following is used as vector for cloning genes into higher organisms?

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

Which one of the following techniques made it possible to genetically engineer living organism ?

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

The most common substrate used in distilleries for the production of ethanol is

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

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

Silencing of mRNA has been used in producing transgenic plants resistant to:

In history of biology, human genome project led to the development of :

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

PCR and Restriction Fragment Length Polymorphism are the methods for :

The genetically-modified (GM) brinjal in India has been developed for:

Continuous addition of sugars in ‘fed batch’ fermentation is done to:

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

Genes of interest can be selected from a genomic library by using

DNA or RNA segment tagged with a radioactive molecule is called

The first clinical gene therapy was given for treating

Maximum number of existing transgenic animals is of :

Agarose extracted from sea weeds finds use in :

Polyethylene glycol method is used for

Gel electrophoresis is used for

Bacillus thuringiensis forms protein crystals which contain insecticidal protein.

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

Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?

Main objective of production/use of herbicide resistant GM crops is to

Read the following four statements (A-D) about certain mistakes in two of them

(A)The first transgenic buffalo, Rosie produced milk which was human alpha-lactal albumin enriched.

(B)Restriction enzymes are used in isolation of DNA from other macro-molecules.

(C)Downstream processing is one of the steps of R-DNA technology.

(D)Disarmed pathogen vectors are also used in transfer of R-DNA into the host.

Which are the two statements having mistakes?

Which one of the following represents a palindromic sequence in DNA?

During the process of isolation of DNA, chilled ethanol is added to

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

Consider the following statements (A-D) about organic farming:
(A)Utilizes genetically modified crops like Bt cotton
(B)Uses only naturally produced inputs like compost
(C)Does not use pesticides and urea
(D)Produces vegetables rich in vitamins and minerals.
Which of the above statements are correct?

Genetic engineering has been successfully used for producing:

In genetic engineering, the antibiotics are used

Select the correct statement from the following?

Some of the characteristics of Bt cotton are:

Restriction endonucleases are enzymes which

Biolistics (gene-gun) is suitable for

Transgenic plants are the ones:

What is true about Bt toxin?

RNA interference involves

With the help of DNA ligase donor DNA fragment is joined. It is called

Which one is not biofertilizer

Which is used in production of insulin by genetic engineering

Vitamin A rich transgenic plant is

Transgenic hirudin is obtained from

Tᵢ plasmid transforms cells of

Thermostable enzymes “Taq and Pfu” isolated from thermophilic bacteria are

Thermal cycle is used in

The technique of production of monoclonal antibodies was developed by

The Most extensively used bacteria in genetic engineering is

The end of DNA fragments are sticky due to

Structure involved in genetic engineering is?

Salt tolerant transgenic has been developed for

Restriction enzyme was discovered by

Restriction enzyme EcoR I cleavage DNA at the sequence

Restriction endonuclease is employed for cutting

Removal and insertion of genes is

Recombinant DNA or rDNA technology was discovered by

Plasmids are vectors for gene cloning because they

PCR technique was invented by

Nucleic acid is fragmented by enzyme

Natural genetic engineer is

Melting of DNA at 70° C is due to breakdown of

Isolation of Bt gene from bacterium Baciullus thuringiensis was undertaken in year

In plant biotechnology, root tumours are induced by

In genetic engineering, DNA fragments are joined through

In genetic engineering which is used for transfer of genes from one cell to another

In gel electrophoresis, differential mobility of DNA depends upon

Illegal and unlawful development of biomaterials without payment to inhabitants of their origin is called

Identify the plasmid

Genomic DNA library is