Processes Of Recombinant DNA Technology Test

Processes Of Recombinant DNA Technology

This is online test 02 for CBSE class 12 Biology Biotechnology : Principles and Processes (Processes of Recombinant DNA Technology).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
During agarose gel electrophoresis DNA fragments moves towards anode. This is because
  • A
    DNA is negatively charged molecules
    Correct
  • B
    Anode is negatively charged
  • C
    DNA is positively charged molecules
  • D
    DNA moves in random direction
2
Rop genes in pBR322 codes for
  • A
    Tetracycline resistance
  • B
    Ampicillin resistance
  • C
    Proteins involved in replication of plasmid
    Correct
  • D
    Antibiotic resistance
3
The particles used to coat with DNA in Biolistic gun is of
  • A
    Quartz
  • B
    Tungsten
    Correct
  • C
    Zinc
  • D
    Helium
4
Production of large scale recombinant products can be done in
  • A
    Bioreactors
    Correct
  • B
    Tissue culture labs
  • C
    Autoclave
  • D
    Thermocycler
5
DNA fragments move at different distances in Gel Electrophoresis because
  • A
    The voltage is too high
  • B
    DNA gets denatured
  • C
    DNA has a positive charge
  • D
    Molecular weights of the fragments are different
    Correct
6
The palindromic sequence out of the given options is
  • A
    MADAM
    Correct
  • B
    GCGC
  • C
    AAMNAAMN
  • D
    TTATTA
7
EtbR fluoresces in UV light because
  • A
    It gets intercalated between the two strands of DNA
    Correct
  • B
    It leads to frame shift mutation
  • C
    It leads to overhangs formation
  • D
    It causes mutations
8
Elution can be done by using the enzyme
  • A
    Agarase
    Correct
  • B
    Cellulase
  • C
    Chitinase
  • D
    Pectinase
9
Technique associated with DNA amplification is
  • A
    RFLP
  • B
    DNA fingerprinting
  • C
    PCR
    Correct
  • D
    Southern Blotting
10
The DNA fragments in an agarose gel at the same position signify that the two fragments have
  • A
    The gel is not properly made
  • B
    Different molecular weights
  • C
    Same molecular weight
    Correct
  • D
    EtBr is hindering the travel of the fragments