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MCQs

Total Questions : 238 | Page 2 of 24 pages
Question 11. In animal cell culture, particularly mammalian cell culture, transformation means
  1.    uptake of new genetic material
  2.    phenotypic modifications of cells in culture
  3.    both (a) and (b)
  4.    release of genetic information
 Discuss Question
Answer: Option B. -> phenotypic modifications of cells in culture
Answer: (b).phenotypic modifications of cells in culture
Question 12. Which of the following is not the explantation technique?
  1.    Slide culture
  2.    Carrel flask culture
  3.    Roller test tube culture
  4.    Adherent primary culture
 Discuss Question
Answer: Option D. -> Adherent primary culture
Answer: (d).Adherent primary culture
Question 13. Cells which have undergone transformation frequently become
  1.    anchorage independent
  2.    anchorage dependent
  3.    stable
  4.    unstable
 Discuss Question
Answer: Option A. -> anchorage independent
Answer: (a).anchorage independent
Question 14. Range of optimum glucose concentration present in the culture media is
  1.    5.5 - 55 mmol/litre
  2.    55 - 75 mmol/litre
  3.    75-105 mmol/litre
  4.    105-150 mmol/litre
 Discuss Question
Answer: Option A. -> 5.5 - 55 mmol/litre
Answer: (a).5.5 - 55 mmol/litre
Question 15. How does CO2 help in the cell metabolism during cell culture?
  1.    It participates in the de novo synthesis of purines and pyrimidines
  2.    Helps in the cells respiration
  3.    For monitoring pH of the culture
  4.    All of the above
 Discuss Question
Answer: Option A. -> It participates in the de novo synthesis of purines and pyrimidines
Answer: (a).It participates in the de novo synthesis of purines and pyrimidines
Question 16. 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
Answer: (b).cytochalasin B
Question 17. Which part of a cell carries the information that is passed from one generation to the next?
  1.    Cell
  2.    Nucleus
  3.    Cytoplasm
  4.    Chloroplast
 Discuss Question
Answer: Option B. -> Nucleus
Answer: (b).Nucleus
Question 18. Which of the following best describes artificial insemination?
  1.    Transplanting an embryo into the uterus
  2.    Fertilization of an egg in a test tube
  3.    Selectively breeding healthy animals
  4.    Taking the sperm and placing it directly
 Discuss Question
Answer: Option D. -> Taking the sperm and placing it directly
Answer: (d).Taking the sperm and placing it directly
Question 19. Superovulation is an
  1.    increased ovulatory response by external hormonal therapy
  2.    decreased ovulatory response by external hormonal therapy
  3.    decreased ovulatory response by internal hormonal therapy
  4.    increased ovulatory response by internal hormonal therapy
 Discuss Question
Answer: Option A. -> increased ovulatory response by external hormonal therapy
Answer: (a).increased ovulatory response by external hormonal therapy
Question 20. When the cells are enucleated and centrifuged, nuclei
  1.    detach from cell and settle at the bottom
  2.    detach from cell and remain in the supernatant
  3.    nuclei remain attached to the cell
  4.    none of the above
 Discuss Question
Answer: Option A. -> detach from cell and settle at the bottom
Answer: (a).detach from cell and settle at the bottom

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