Q.14 The phage commonly used as a vector in genetic engineering is?
A) Lambda phage C) T2 phage
B) Gamma phage D) T4 phage
Q.15 Restriction endonucleases are naturally occurring enzymes of:
A) Viruses C) Fungi
B) Bacteria D) Plants
2014
Q.16 pBr 322 have antibiotic resistance gene for
A) Ampicillin and aspirin C) Ampicillin and Tetracycline
B) Streptomycin and metronidazole D) Penicillin and metronidazole
Q.17 Cystic Fibrosis affects which one of the following cells of the body?
A) Epithelial cells C) Plasma cells
B) Endothelial cells D) Blood cells
Q.18 The enzymes which act as molecular scissors in recombinant DNA technology is
A) Exonucleoses B) Endonucleoses
C) Polymerases D) Reverse transcriptases