Recombinant DNA Technology — MCQ Practice

Which of the following statements about Recombinant DNA (rDNA) technology is/are correct? 1. Restriction enzymes are used to cut DNA at specific recognition sequences. 2. DNA ligase is used to join DNA fragments. 3. Plasmids are commonly used as vectors to carry foreign DNA into host cells. 4. CRISPR-Cas9 is a traditional rDNA technology for random gene insertion. Select the correct answer using the code given below:

Consider the following applications of Recombinant DNA technology: 1. Production of human insulin 2. Development of Bt cotton 3. Gene therapy for genetic disorders 4. DNA fingerprinting in forensics Which of the above are direct applications of rDNA technology?

Regarding the regulation of Genetically Modified Organisms (GMOs) in India, consider the following statements: 1. The Genetic Engineering Appraisal Committee (GEAC) is the apex body for approving environmental release of GMOs. 2. The 'Rules for the Manufacture, Use, Import, Export and Storage of Hazardous Microorganisms, Genetically Engineered Organisms or Cells, 1989' are notified under the Environment (Protection) Act, 1986. 3. Genome-edited organisms (SDN-1 and SDN-2 categories) are currently subject to the same stringent regulations as conventional GMOs in India. Which of the statements given above is/are correct?

Which of the following is NOT a typical component of a plasmid vector used in Recombinant DNA technology?

Consider the following statements regarding the ethical concerns associated with Recombinant DNA technology: 1. Horizontal gene transfer from GM crops to wild relatives is a potential ecological risk. 2. Gene drives are universally accepted as a safe method for pest control due to their precision. 3. Intellectual Property Rights (IPR) over genetically engineered products can raise issues of access and affordability. Which of the statements given above is/are correct?