Biotechnological Applications In Medicine Test

Biotechnological Applications In Medicine

This is online test 03 for CBSE class 12 Biology Biotechnology and its Applications (Biotechnological Applications in Medicine).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
A functional ADA cDNA can be made by
  • A
    Protoplast fusion
  • B
    Using a retroviral vector
    Correct
  • C
    Somatic hybridisation
  • D
    DNA libraries
2
ADA deficiency can be cured by
  • A
    PCR
  • B
    ELISA
  • C
    Bone marrow transplantation
    Correct
  • D
    Molecular diagnosis
3
ELISA can give a false test in the beginning of an infection due to
  • A
    Denatured pathogen
  • B
    Low concentration of pathogen
    Correct
  • C
    Low antibody
  • D
    Antibody may not bind tightly to the titer plate
4
RNAi is an example of
  • A
    Post transcriptional gene silencing
    Correct
  • B
    Probing
  • C
    Protein-protein interaction
  • D
    hybridization
5
ADA deficiency can be treated and cured by
  • A
    Enzyme replacement therapy
  • B
    Providing genetically engineered lymphocytes
    Correct
  • C
    Bone marrow transplant
  • D
    xenotransplantation
6
A titer plate on testing for an antigen gives fluorescence when treated with the antibody, this implies
  • A
    Presence of disease
    Correct
  • B
    Absence of disease
  • C
    Less infection
  • D
    No infection
7
Sandwich ELISA will have
  • A
    Antigen between the antibodies
    Correct
  • B
    Antigen above antibody
  • C
    Antibody above antigen
  • D
    Probe above antigen
8
Insulin has chain =21AA, chain=30AA, chain C=30AA . In mature insulin the number of Amino Acids removed will be
  • A
    21
  • B
    30 chain B
  • C
    60
  • D
    30 chain C
    Correct
9
Gene for controlling production of insulin is b-galactosidase. It can be used for
  • A
    Ladder
  • B
    Gel electrophoresis
  • C
    Blue white screening
    Correct
  • D
    PCR
10
Assertion: ELISA is based on principle of antigen-antibody interaction. Reason: Infection by pathogen can be detected by the presence of antigens or by detecting the antibodies synthesized.
  • A
    Both assertion and reason are corrected.
    Correct
  • B
    Assertion and reason both are incorrect
  • C
    Assertion is correct but reason is incorrect
  • D
    Assertion and reason is correct but do not explain the assertion