PYQ NEET- Biotechnology Principles And Processes

2016: The answer is (D). DNA fingerprinting is used in forensic science to identify individuals. It is not used in medicine to diagnose diseases.

2015: The answer is (D). Nutrients are required for the growth of cells in a bioreactor. Aeration is necessary to provide oxygen to the cells. Temperature control is necessary to keep the cells at a constant temperature. A stirrer is necessary to mix the nutrients and cells.

2014: The answer is (C). Both Bt cotton and Golden rice are transgenic crops. They are crops that have been genetically modified to contain genes from other organisms.

2013: The answer is (C). EcoRI and HindIII are both restriction enzymes. Restriction enzymes are proteins that cut DNA at specific sequences. They are used in genetic engineering to cut DNA into fragments.