NEET UG Zoology — Biotechnology - Principles and Processes previous year questions with solutions.
The figure below is the diagrammatic representation of the $E$. coli vector pBR 322 . Which one of the given options correctly identifies its certain components (s)? 
Biolistics (gene-gun) is suitable for
Agarose extracted from sea weeds finds use in
There is a restriction endonuclease called $E c o$ RI. What does 'co' part in it stand for?
Read the following four statements (I-IV) about certain mistakes in two of them I. the first transgenic buffalo, Rosie produced milk which was human alpha-lactal bumin enriched. II. restriction enzymes are used in isolation of DNA from other macro-molecules. III. downstream processing is one of the steps of R-DNA technology. IV. 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 also acts as a catalyst in a bacterial cell?
Given below is a sample of portion of DNA strand giving the base sequence on the opposite strands. What is so, special shown in it? $5^{\prime} \_$GAATTC __ $3^{\prime}$ 3 - CTTAAG $5^{\prime}$
Genetic engineering has been successfully used for producing
Restriction endonucleases are enzymes which
Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?
Which one of the following is used as vector for cloning genes into higher organisms?
Stirred-tank bioreactors have been designed for
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 this regard and select the correct OPTION about which one or more of these can be used as a vector/vectors. A. A bacterium B. Plasmid C. Plasmodium D. Bacteriophage
Which of the following is used in gene cloning?
DNA or RNA segment tagged with a radioactive molecule is called
Which one of the following is commonly used in transfer of foreign DNA into crop plants ?
Which one of the following pairs is wrongly matched?
Polyethylene glycol method is used for :
Polyethylene glycol method is used for
Gel electrophoresis is used for
The linking of antibiotic resistance gene with the plasmid vector became possible with
Modern detergents contain enzyme preparations of
The linking of antibiotic resistance gene with the plasmid vector became possible with
Gel electrophoresis is used for