Zoology Biotechnology - Principles and Processes questions from NEET UG 2020.
Choose the correct pair from the following.
First discovered restriction endonuclease that always cuts $\mathrm{DNA}$ molecule at a particular point by recognising a specific sequence of six base pairs is:
Identify the wrong statement with regard to restriction enzymes.
In a mixture, $\mathrm{DNA}$ fragments are separated by:
In gel electrophoresis, separated DNA fragments can be visualized with the help of
In Recombinant $\mathrm{DNA}$ technology antibiotics are used: *Note: There was ambiguity in options in the original paper, hence the options are changed.
Match the following techniques or instruments with their usage: <table class="pyq-table"><tbody><tr><td>(a)</td><td>Bioreactor</td><td>(i)</td><td>Separation of DNA fragments</td></tr><tr><td>(b)</td><td>Electrophoresis</td><td>(ii)</td><td>Production of large quantities of products</td></tr><tr><td>(c)</td><td>$\mathrm{PCR}$</td><td>(iii)</td><td>Detection of pathogen, based on antigen-antibody reaction</td></tr><tr><td>(d)</td><td>$\mathrm{ELISA}$</td><td>(iv)</td><td>Amplification of nucleic acids</td></tr></tbody></table>Select the correct option from following:
Match the organism with its use in biotechnology. <table class="pyq-table"><tbody><tr><td>(a)</td><td>Bacillus thuringiensis</td><td>(i)</td><td>Cloning vector</td></tr><tr><td>(b)</td><td>Thermus aquaticus</td><td>(ii)</td><td>Construction of first rDNA molecule</td></tr><tr><td>(c)</td><td>Agrobacterium tumefaciens</td><td>(iii)</td><td>DNA polymerase</td></tr><tr><td>(d)</td><td>Salmonella typhimurium</td><td>(iv)</td><td>Cry proteins</td></tr></tbody></table>
Select the correct statement from the following:
Spooling is:
The sequence that controls the copy number of the linked DNA in the vector, is termed
The specific palindromic sequence which is recognized by EcoRl is