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MCQs

Total Questions : 86 | Page 2 of 9 pages
Question 11. Which of these carries the thousands of genes needed to allow animal and plant cells to pass on inherited characteristics?
  1.    Chromatography
  2.    Chromium
  3.    Chromatogram
  4.    Chromosomes
 Discuss Question
Answer: Option D. -> Chromosomes
Question 12. When a fertilized egg cell develops into an embryo, the entropy of the living system
  1.    decreases
  2.    remains constant
  3.    increases
  4.    none of these
 Discuss Question
Answer: Option A. -> decreases
Question 13. For the transfer of whole individual chromosomes, they are isolated from the cells at
  1.    prophase
  2.    telophase
  3.    anaphase
  4.    metaphase
 Discuss Question
Answer: Option D. -> metaphase
Question 14. Animal pharming can be defined as
  1.    None of these
  2.    generating transgenic animals for farming
  3.    programming animals to produce novel products
  4.    growing animals for farming
 Discuss Question
Answer: Option C. -> programming animals to produce novel products
Question 15. Fusion of karyoplast with the enucleated cell is achieved in presence of
  1.    alcohol
  2.    both (a) and (b)
  3.    cytochalasin B
  4.    polyethylene glycol
 Discuss Question
Answer: Option D. -> polyethylene glycol
Question 16. Which of the following statements best describes a clone?
  1.    An offspring where all of the genetic material in every cell is identical to that of both parents
  2.    An artificial life form
  3.    A type of sheep
  4.    An offspring where all of the genetic material in every cell is identical to that of one of its parents
 Discuss Question
Answer: Option D. -> An offspring where all of the genetic material in every cell is identical to that of one of its parents
Question 17. In transgenic fish, the genes are introduced by
  1.    all of these
  2.    viruses
  3.    microinjection in fish
  4.    transfer of whole nuclei
 Discuss Question
Answer: Option C. -> microinjection in fish
Question 18. Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by
  1.    vegetative initiation
  2.    none of these
  3.    vegetative termination
  4.    vegetative propagation
 Discuss Question
Answer: Option D. -> vegetative propagation
Question 19. Which of the following gene have been introduced into the transgenic fish?
  1.    E. coli gene for β-galactosidase
  2.    Chicken gene for delta crystalline protein
  3.    Human or rat gene for growth hormone
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 20. Production of transgenic animals require transfections of
  1.    red blood cells
  2.    stem cells
  3.    eggs or embryos
  4.    all of these
 Discuss Question
Answer: Option C. -> eggs or embryos

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