Transgenic plants are develop by:
  • Introducing of foreign fenes
  • Clone and genetically modified genes
  • Genetic engineering
  • Purified genes
Two microbes found to be very useful in genetic, engineering are:
  • Escherichiya Coli and Agrobacterium tumefaciens
  • Virbio chloerae and tailed bacteriophage
  • Diplococcus sp and pseudomonas sp.
  • None of these
Who discovered Restricted endonucleas enzymes?
  • Smith and Nathane
  • Baiger
  • Waxman
  • Fleming
DNA obtained for DNA finger printing:
  • W.B.C. (b) Hair root cells
Two microbes found tb be very useful in Genetic Engineering are:
  • Excherichia coli and Agrobacterium tumefaciens
  • Vibrio cholarae and a tailed bacteriophage
  • Diplococcus sp. and Pseudomonas sp. (d) Crown gall bacterium and Caenorhabdities elegans
Plasmid is a:
  • Fungus
  • Plasmid
  • Part of Plasma membrane
  • Extra chromosomal DNA in bacterial cell
Restriction endonuclease cuts:
  • One stand of DNA at specific site
  • Both strands of DNA
  • Both strands of DNA at any site
  • Single strand of RNA
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from :
  • Plasmids
  • AH prokaryotic cells
  • Bacteriophages
  • Bacterial cells
Golden rice is a promising transgenic crop. When released for cultivation, it will help in :
  • High lysin content
  • Pest resistance
  • High protien content
  • High vitamin A content
Triticale, first man made cereal crop, has been obtained by crossing wheat with:
  • Rye
  • Pearl millet
  • Sugarcane
  • Barley
Viral genome incroporatcd into host DNA is called:
  • Prophase
  • Protophage
  • Bacteriophage
  • None of these
DNA element with ability to change its position is called:
  • Cistron
  • Transposon
  • Intron
  • Ricon
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