BIOLOGY M.C.Q [1M]

The taq polymerase enzyme is obtained from :

Which of the following is a restriction enzyme endonuclease?

A molecular technique in which multiple copy of the desired gene is synthesized in-vitro is called as :

For isolation of DNA a fungus is treated with which enzyme?

Which of the following is absent in pBR322?

Which of the following is not a cloning vector for bacteria?

If a foregin DNA is inserted in tetracycline resistant gene, the recombinant plasmid :

Which of the following methods is used to inject recombinant DNA into nucleus of animal cell directly?

RNA interference is utilized to prevent nematode infestation in tobacco plants. By which vector are nematode specific genes introduced?

Reason for movement of DNA fragments towards anode in electrophoresis is DNA fragments being :

The DNA fragments separated on an agarose gel can be visualised after staining with :

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

Satellite DNA is a useful tool of :

Reagent used in ELISA test is :

Herbicide resistant gene in plant is :

Which of the following is not a restriction enzyme?

Somaclonal variations are obtained through :

Which Vector can clone only a small fragment of DNA?

Nucleotide arrangement in DNA can be seen by

Enzyme required for polymerase chain reaction is :

During PCR technique the pairing primers to ss DNA segment is called?

Which of the following restriction enzymes produces blunt ends?

Source of Eco RI enzyme is :

'GAATTC' is recognition site of which of the following?

Which of the following is Plasmid?

Ti-plasmid is found in :

Restriction enzymes are :

Restriction enzymes are known as :

Amplification of gene of interest may be done by :

The specific sequence of DNA recognized by Restriction Endonucleases are

Agarose is extracted from :

Golden rice is a promising transgenic crop. When released for cultivation, it will help in?

An antibiotic resistance gene in a vector usually helps in the selection of :

Which of the following step is catalysed by Tag polymerase in a PCR reaction?

Which of the following bacteria is not a source of restriction endonuclease?

Control of gene expression takes place at the level of :

Enzyme used in cutting DNA at specific site is :

DNA element with ability to change its position is called :

Which of the following should be chosen for best yield if one were to produce a recombinant protein in large amounts?

Transgenic plants are developed by :

Nucleic acid is fragmented by which enzyme?

Gene gun is used to :

In Ti-plasmid, which of the following is removed?

Hairy root disease in dicot plants is caused by?

Who among the following was awarded the Nobel Prize for the development of PCR technique?

Which enzyme custs DNA at specific sites?

Restriction endonucleases are most widely used in recombinant DNA technology. They are obtained from :

A recombinant DNA molecule can be produced in the absence of the following?

An enyme catalysing the removal of nucelotides from the ends of DNA is :

From which of the following bacteria, thermostable DNA polymerase is isolated?