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MCQs

Total Questions : 194 | Page 9 of 20 pages
Question 81. Which of following scientists discovered basic rules of inheritance using pea plants?
  1.    Darwin
  2.    Mendel
  3.    Watson
  4.    crick
 Discuss Question
Answer: Option B. -> Mendel
Answer: (b).Mendel
Question 82. Which of following refers to consanguineous marriage?
  1.    cousins
  2.    siblings
  3.    friends
  4.    Jews
 Discuss Question
Answer: Option A. -> cousins
Answer: (a).cousins
Question 83. A gene that has a pair of identical alleles is said to be
  1.    homozygous
  2.    heterozygous
  3.    Subgene
  4.    homologs
 Discuss Question
Answer: Option A. -> homozygous
Answer: (a).homozygous
Question 84. Which of following is not an example of a human blood type?
  1.    b
  2.    a
  3.    c
  4.    ab
 Discuss Question
Answer: Option C. -> c
Answer: (c).c
Question 85. People of which of following descent are more susceptible to Cystic fibrosis?
  1.    Jews
  2.    Mediterranean
  3.    European
  4.    black
 Discuss Question
Answer: Option C. -> European
Answer: (c).European
Question 86. Tay Sach's disease is more common in which of following ethnicities?
  1.    Mediterranean
  2.    Jewish
  3.    Asian
  4.    black
 Discuss Question
Answer: Option B. -> Jewish
Answer: (b).Jewish
Question 87. How many types of carbohydrates are present at surface of red blood cell that determines blood type?
  1.    2
  2.    4
  3.    7
  4.    1
 Discuss Question
Answer: Option A. -> 2
Answer: (a).2
Question 88. How does Phenylketonuria occur when people cannot metabolize which of following?
  1.    pyruvate
  2.    phenylalanine
  3.    glucose
  4.    fructose
 Discuss Question
Answer: Option B. -> phenylalanine
Answer: (b).phenylalanine
Question 89. Sickle cell anemia is caused by substitution of how many amino acids in hemoglobin gene?
  1.    2
  2.    1
  3.    5
  4.    10
 Discuss Question
Answer: Option B. -> 1
Answer: (b).1
Question 90. Gene family that encodes for beta-globin protein resides on which of following chromosomes?
  1.    9
  2.    6
  3.    11
  4.    3
 Discuss Question
Answer: Option C. -> 11
Answer: (c).11

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