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MCQs

Total Questions : 86 | Page 3 of 9 pages
Question 21. Enucleation of the cells can be achieved by treating the cells with
  1.    polyethylene glycol
  2.    cytochalasin B
  3.    both (a) and (b)
  4.    alcohol
 Discuss Question
Answer: Option B. -> cytochalasin B
Question 22. For the rapid genetic progress, embryo transfer (ET)
  1.    will be a superior tool than AI
  2.    ET can't be used at all
  3.    will be as potent a tool as AI (artificial insemination)
  4.    will not be as potent a tool as AI (artificial insemination)
 Discuss Question
Answer: Option D. -> will not be as potent a tool as AI (artificial insemination)
Question 23. Transgenic goats produce a variant of human tissue type plasminogen activator protein in
  1.    urine
  2.    milk
  3.    muscles
  4.    blood
 Discuss Question
Answer: Option B. -> milk
Question 24. DNA microinjection into the egg has been used to produce which of the following transgenic animals?
  1.    Chicken
  2.    All of these
  3.    Pigs
  4.    Mice
 Discuss Question
Answer: Option B. -> All of these
Question 25. Which of the following is/are the method of transfection for making transgenic animals?
  1.    Transfer of whole individual chromosomes or fragment
  2.    Transfer of DNA
  3.    All of these
  4.    Transfer of whole nuclei
 Discuss Question
Answer: Option C. -> All of these
Question 26. When the cells are enucleated and centrifuged, nuclei
  1.    None of these
  2.    nuclei remain attached to the cell
  3.    detach from cell and settle at the bottom
  4.    detach from cell and remain in the supernatant
 Discuss Question
Answer: Option C. -> detach from cell and settle at the bottom
Question 27. Superovulation is an
  1.    increased ovulatory response by external hormonal therapy
  2.    increased ovulatory response by internal hormonal therapy
  3.    decreased ovulatory response by internal hormonal therapy
  4.    decreased ovulatory response by external hormonal therapy
 Discuss Question
Answer: Option A. -> increased ovulatory response by external hormonal therapy
Question 28. Which of the following best describes artificial insemination?
  1.    Selectively breeding healthy animals
  2.    Fertilization of an egg in a test tube
  3.    Transplanting an embryo into the uterus
  4.    Taking the sperm and placing it directly
 Discuss Question
Answer: Option D. -> Taking the sperm and placing it directly
Question 29. Which part of a cell carries the information that is passed from one generation to the next?
  1.    Nucleus
  2.    Chloroplast
  3.    Cell
  4.    Cytoplasm
 Discuss Question
Answer: Option A. -> Nucleus
Question 30. DNA is microinfected into the fertilized egg
  1.    after the fusion of male and female nuclei
  2.    at the time of fusion of male and female nuclei
  3.    any time, it can be infected
  4.    before the fusion of male and female nuclei
 Discuss Question
Answer: Option D. -> before the fusion of male and female nuclei

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