DNA And Fingerprinting Test

DNA And Fingerprinting

This is online test 01 for CBSE class 12 Biology Molecular Basis of Inheritance (DNA and fingerprinting).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
The technique of DNA fingerprinting was initially developed by
  • A
    Alec Jefferys
    Correct
  • B
    Robert Sanford
  • C
    D.Pollard
  • D
    S. Mond
2
PCR and Restriction Fragment Length Polymorphism are the methods for
  • A
    Study of enzymes
  • B
    Genetic fingerprinting
    Correct
  • C
    DNA sequencing
  • D
    Genetic transformation
3
Satellite DNA is useful tool in
  • A
    Sex determination
  • B
    Forensic science
    Correct
  • C
    Organ transplantation
  • D
    Genetic engineering
4
State the use of molecular medicine?
  • A
    All of them
    Correct
  • B
    Used as gene therapy
  • C
    Used to understand several diseases like Alzheimer’s Parkinsons diseases, etc.
  • D
    Improves diagnosis of diseases
5
Gel electrophoresis is used for
  • A
    Construction of recombinant DNA by joining with cloning vectors
  • B
    Isolation of DNA molecule
  • C
    Separation of DNA fragments according to their size
    Correct
  • D
    Cutting of DNA into fragments
6
For DNA finger printing, the DNA is obtained from
  • A
    Body secretion only
  • B
    WBCs, hair root cells and body secretion
    Correct
  • C
    Hair root cells only
  • D
    White blood corpuscles only
7
Best method to determine paternity is
  • A
    DNA fingerprinting
    Correct
  • B
    gene counting
  • C
    chromosome counting
  • D
    Protein analysis
8
Process used for amplification or multiplication of DNA for finger printing is
  • A
    Sesslerisation
  • B
    Polymerase chain reaction
    Correct
  • C
    Northern blotting
  • D
    Southern blotting
9
DNA probes used in finger printing are
  • A
    DNA segments having radioactive isotopes
    Correct
  • B
    Highly sensitive electron microscope
  • C
    X-ray scanners
  • D
    UV beams
10
The technique of DNA fingerprinting has many applications ranging from identifying paternity to finding criminals. The sensitivity of the technique has been increased by use of
  • A
    Variable tendon repeats
  • B
    Electrophoresis
  • C
    Sothern blotting
  • D
    Polymerase chain reaction
    Correct