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MCQs

Total Questions : 194 | Page 17 of 20 pages
Question 161. Unequal crossing over takes place due to _______________ of chromosomes.
  1.    denaturation
  2.    misalignment
  3.    aggregation
  4.    condensation
 Discuss Question
Answer: Option B. -> misalignment
Answer: (b).misalignment
Question 162. Which of the following is an intervening, non-coding sequences?
  1.    intron
  2.    exon
  3.    axon
  4.    axiom
 Discuss Question
Answer: Option A. -> intron
Answer: (a).intron
Question 163. The globin gene is constructed from _____ exons and _______ introns.
  1.    3, 2
  2.    2, 3
  3.    2, 2
  4.    3, 3
 Discuss Question
Answer: Option A. -> 3, 2
Answer: (a).3, 2
Question 164. Pseudogenes are _______________
  1.    non-functional
  2.    non-existent
  3.    existent in plants only
  4.    cannot be sequenced
 Discuss Question
Answer: Option A. -> non-functional
Answer: (a).non-functional
Question 165. Alu sequences are ________________
  1.    dna transposons
  2.    retrotransposons
  3.    viral elements
  4.    pseudogenes
 Discuss Question
Answer: Option B. -> retrotransposons
Answer: (b).retrotransposons
Question 166. The process by which a single gene can code for multiple proteins is called ___________
  1.    transcription
  2.    transformation
  3.    alternative splicing
  4.    sequencing
 Discuss Question
Answer: Option C. -> alternative splicing
Answer: (c).alternative splicing
Question 167. Intergenic and intronic DNA are essentially same.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 168. “Dark matter” is the region of the chromosome that constitutes highly repeated sequences.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 169. Systems biology is the study of Biological systems in humans.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 170. Sex-linkage is linked to the
  1.    gender of organism
  2.    skin color of organism
  3.    body shape of organism
  4.    limb structure of organism
 Discuss Question
Answer: Option A. -> gender of organism
Answer: (a).gender of organism

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