ARD NABARD MAINS 2020 Quiz 12 : CHAPTER – BIOTECHNOLOGY June 25, 2020June 10, 2021 CHAPTER: BIOTECHNOLOGY Please enter your email: 1. Genetic Engineering is plastic surgery addition or removal of genes study of extranuclear genes all of the above any of the above 2. Genomics is the study of Genes is general Human genes Genomes in general Human genome None of the above 3. Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ ______ GAATTC ________ 3′ 3′ ________CTTAAG ________ 5′ Palindromic sequence of base pairs Replication completed Deletion mutation Start codon at the 5′ end None of the above 4. Maximum number of existing transgenic animals is of Pig Fish Mice Cow None of the above 5. One of the following processes involves southern blotting technique rDNA technology DNA finger printing production of transgenic plants formation of suspension culture None of the above 6. Restriction enzymes were discovered by Smith and Nathans Alexander Fleming Berg None Any of the above 7. Bacteria protect themselves from viruses by fragmenting viral DNA with Ligase Endonuclease Exonuclease Gyrase None of the above 8. Klenow fragment is derived from DNA Ligase DNA Pol-I DNA Pol-II Reverse Transcriptase None of the above 9. Southern blotting is Attachment of probes to DNA fragments Transfer of DNA fragments from electrophoretic gel to nitrocellulose sheet Comparison of DNA fragments to two sources Transfer of DNA fragments to electrophoretic gel from cellulose membrane None of the above 10. ELISA is Using radiolabelled second antibody Usage of RBCs Using compliment mediated cell lysis Addition of substrate that is converted into a coloured end product None of the above Loading …