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MCQs

Total Questions : 232 | Page 6 of 24 pages
Question 51. Mating with non-relatives is
  1.    inbreeding
  2.    outbreeding
  3.    breeding
  4.    none of above
 Discuss Question
Answer: Option B. -> outbreeding
Answer: (b).outbreeding
Question 52. Composite of an organism's observable characters or traits is called
  1.    genotype
  2.    phenotype
  3.    recombination
  4.    replication
 Discuss Question
Answer: Option B. -> phenotype
Answer: (b).phenotype
Question 53. When two or more clearly different phenotypes exist in the same population of species than the species is called
  1.    polymorph
  2.    genotype
  3.    phenotype
  4.    recombination
 Discuss Question
Answer: Option A. -> polymorph
Answer: (a).polymorph
Question 54. Phenotypic variation is a fundamental prerequisite for evolution by
  1.    artificial selection
  2.    natural selection
  3.    Competition
  4.    Variations
 Discuss Question
Answer: Option B. -> natural selection
Answer: (b).natural selection
Question 55. The genetic makeup of an organism is called its
  1.    genotype
  2.    phenotype
  3.    clone
  4.    recombination
 Discuss Question
Answer: Option A. -> genotype
Answer: (a).genotype
Question 56. The steps involved during PCR includes
  1.    Denaturation
  2.    Annealing
  3.    Extension
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 57. The genotype-phenotype distinction was proposed by
  1.    Darwin
  2.    Mendelian
  3.    Wilhelm Johannson
  4.    Emil Fisher
 Discuss Question
Answer: Option C. -> Wilhelm Johannson
Answer: (c).Wilhelm Johannson
Question 58. The small piece of DNA can be amplified by
  1.    PCR
  2.    denaturation
  3.    hybridization
  4.    Polymerization
 Discuss Question
Answer: Option A. -> PCR
Answer: (a).PCR
Question 59. Evolution by natural slection was proposed by
  1.    Robert brown
  2.    Charles darwin
  3.    Mendel
  4.    Robert koch
 Discuss Question
Answer: Option B. -> Charles darwin
Answer: (b).Charles darwin
Question 60. In initiation the DNA is made
  1.    double stranded
  2.    spiral shaped
  3.    single stranded
  4.    like a sheet
 Discuss Question
Answer: Option C. -> single stranded
Answer: (c).single stranded

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