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MCQs

Total Questions : 232 | Page 5 of 24 pages
Question 41. The change in frequency of allele in a population due to random sampling of organisms is
  1.    gene expression
  2.    gene linkage
  3.    genetic drift
  4.    gene mutation
 Discuss Question
Answer: Option C. -> genetic drift
Answer: (c).genetic drift
Question 42. Genetic drift may cause gene variants to disappear completely reducing
  1.    gene expression
  2.    gene linkage
  3.    genetic variation
  4.    gene mutation
 Discuss Question
Answer: Option C. -> genetic variation
Answer: (c).genetic variation
Question 43. Inbreeding increases the frequency of
  1.    homozygous
  2.    heterozygous
  3.    genetic diversity
  4.    genetic linkage
 Discuss Question
Answer: Option A. -> homozygous
Answer: (a).homozygous
Question 44. Mating between relatives is called
  1.    exbreeding
  2.    breeding
  3.    inbreeding
  4.    Marriages other than family
 Discuss Question
Answer: Option C. -> inbreeding
Answer: (c).inbreeding
Question 45. The effect of genetic drift when there are few copies of an alleles is
  1.    larger
  2.    smaller
  3.    moderate
  4.    zero
 Discuss Question
Answer: Option A. -> larger
Answer: (a).larger
Question 46. Meiosis was discovered by
  1.    Oscar Hertwig
  2.    Walther Flemming
  3.    Charles Darwin
  4.    Robert H. Brown
 Discuss Question
Answer: Option A. -> Oscar Hertwig
Answer: (a).Oscar Hertwig
Question 47. Single celled organisms are reproduced by
  1.    binary division
  2.    meiosis
  3.    mitosis
  4.    Intimation
 Discuss Question
Answer: Option C. -> mitosis
Answer: (c).mitosis
Question 48. The process of cell division that results in two genetically identical daughter cells developing from a single parent cell is
  1.    cell division
  2.    mitosis
  3.    meiosis
  4.    binary division
 Discuss Question
Answer: Option B. -> mitosis
Answer: (b).mitosis
Question 49. The chromosome number in meiosis is
  1.    doubled
  2.    reduced by half
  3.    reduced by 2
  4.    increased by 3
 Discuss Question
Answer: Option B. -> reduced by half
Answer: (b).reduced by half
Question 50. Synthesis of all protein chains in prokaryotic and eukaryotic cells begins with amino acid
  1.    methionine
  2.    adenine
  3.    proline
  4.    arginine
 Discuss Question
Answer: Option A. -> methionine
Answer: (a).methionine

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