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MCQs

Total Questions : 67 | Page 3 of 7 pages
Question 21. When was the mechanism behind cytokinesis first discovered?
  1.    1950s
  2.    1960s
  3.    1970s
  4.    1980s
 Discuss Question
Answer: Option A. -> 1950s
Answer: (a).1950s
Question 22. One round of meiotic division gives rise to _____ haploid cells.
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option D. -> 4
Answer: (d).4
Question 23. Meiosis ensures the production of a haploid phase.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 24. A highly specialized sperm cell is also called ________________
  1.    spermatozoon
  2.    oocyte
  3.    spermatocyte
  4.    spermatid
 Discuss Question
Answer: Option A. -> spermatozoon
Answer: (a).spermatozoon
Question 25. “Cell plate” is a term relative to cytokinesis in ______________________
  1.    mammals
  2.    invertebrates
  3.    plants
  4.    fungi
 Discuss Question
Answer: Option C. -> plants
Answer: (c).plants
Question 26. Klinefelter syndrome is associated with ________________
  1.    human males
  2.    human females
  3.    invertebrates
  4.    protists
 Discuss Question
Answer: Option A. -> human males
Answer: (a).human males
Question 27. The likelihood of having a child with Down syndrome increases with _________________
  1.    age of father
  2.    age of mother
  3.    birth of siblings
  4.    fertilization rate
 Discuss Question
Answer: Option B. -> age of mother
Answer: (b).age of mother
Question 28. Which enzyme joins the Okazaki fragments into a continuous strand?
  1.    gyrase
  2.    topoisomerase
  3.    ligase
  4.    helicase
 Discuss Question
Answer: Option C. -> ligase
Answer: (c).ligase
Question 29. Mutations in the DNA may be passed to the next generation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 30. Which repair system operates to remove the altered bases generated by reactive chemicals present in the diet?
  1.    Base excision repair
  2.    Nucleotide excision repair
  3.    Mismatch repair
  4.    Double-stranded breakage repair
 Discuss Question
Answer: Option A. -> Base excision repair
Answer: (a).Base excision repair

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