NEET Zoology Biotechnology – Principles and Processes Class 12 Questions

What is the key process that allows for the alteration of DNA and the construction of recombinant DNA?

What is the role of DNA ligase in the process of recombinant DNA technology?

What is the purpose of using ligase in the process of creating recombinant DNA?

What is the key process that enables the alteration of DNA to construct recombinant DNA?

What is the function of the origin of replication (ori) in a vector?

What is the role of ligase in the preparation of recombinant DNA?

What is the primary purpose of using restriction endonucleases in genetic engineering?

What is the primary function of the stirrer in a stirred-tank bioreactor?

Which method is NOT mentioned for introducing recombinant DNA into host cells?

What is the primary function of restriction enzymes in recombinant DNA technology?

What feature of a vector is responsible for controlling the copy number of linked DNA during replication?

What is the purpose of the selectable marker in a cloning vector?

What is the purpose of a selectable marker in a vector used for recombinant DNA technology?

What is the primary function of endonucleases in genetic engineering?

What is the primary purpose of using restriction enzymes in genetic engineering?

What is the role of ligase in the preparation of recombinant DNA?

What is the role of the origin of replication (ori) in a cloning vector?

What is a key feature of a stirred-tank bioreactor used in biotechnology?

What is the purpose of the agitator system in a stirred-tank reactor?

What is the process by which a recombinant DNA is inserted within the coding sequence of an enzyme, leading to the inactivation of that gene?

What is the purpose of a selectable marker in a cloning vector?

What method is used to introduce recombinant DNA directly into the nucleus of an animal cell?

What is the role of the origin of replication (ori) in a cloning vector?

What is the function of DNA ligase in recombinant DNA technology?

What type of enzyme is responsible for making cuts at specific positions within DNA during the recombinant DNA technology process?

What is the role of restriction endonucleases in the formation of recombinant DNA?

What is the primary function of restriction enzymes in DNA technology?

What is the purpose of using a thermostable DNA polymerase in the process of DNA amplification?

What is the primary purpose of using agarose in gel electrophoresis?

What is the primary purpose of a stirrer in a stirred-tank reactor?

Which combination of statements about recombinant DNA technology is correct?

Which of the following combinations correctly describe features required for cloning into a vector in recombinant DNA technology?

Which of the following statements about genetic engineering is correct?

Which of the following statements about genetic engineering is correct?

Which of the following statements about bioreactors and downstream processing is correct?

Which of the following combinations accurately describe aspects of recombinant DNA technology?

Which combinations of statements accurately describe aspects of recombinant DNA technology?

Which of the following statements about biotechnological processes is correct?

Which of the following combinations correctly describes essential components required for the successful creation of recombinant DNA?

Which combination of statements correctly describes the processes involved in recombinant DNA technology?

Which of the following statements about recombinant DNA technology is correct?

Which of the following statements correctly describe features important for cloning into a vector?

If a plasmid vector with an origin of replication that supports a high copy number is used, how many copies of the recombinant DNA can be expected in a bacterial cell if the average copy number is 50?

If a DNA segment is amplified using a thermostable DNA polymerase, how many copies will be produced after 10 cycles of PCR, assuming each cycle doubles the amount of DNA?

If a piece of recombinant DNA is amplified using a thermostable DNA polymerase and the replication process is repeated 30 times, approximately how many copies of the DNA segment will be produced?

If a DNA segment is amplified 30 cycles using PCR, approximately how many copies of the segment will be produced?

If a recombinant DNA is formed by inserting a gene of interest into a plasmid vector using a specific restriction enzyme, and the plasmid has a total length of 6000 base pairs after insertion, how many base pairs were originally in the vector if the gene of interest is 1500 base pairs long?

If a DNA fragment is cut by a restriction enzyme resulting in two fragments of 1.5 kb and 2.5 kb, and these are separated by agarose gel electrophoresis, which fragment will travel further towards the anode?

If a DNA fragment is amplified using a thermostable DNA polymerase until it reaches approximately 1 billion copies, how many times must the process of DNA replication be repeated?

If a DNA fragment is cut using a restriction endonuclease and results in fragments of sizes 500 bp, 1500 bp, and 2000 bp, how would these fragments separate on an agarose gel during electrophoresis?