Molecular Biology Multiple choice questions with solutions

Multiple choice questions (numbers in brackets indicate the number of correct answers) 1. Beta-sheets are stabilized by hydrophobic bonds ionic bonds hydrogen bonds covalent bonds all of the above none of the above Number of correct answer for above questions is  (1) Answer 3 2. Chaperons are involved in translation …

»

Multiple choice questions (numbers in brackets indicate the number of correct answers)

1. Beta-sheets are stabilized by

  1. hydrophobic bonds
  2. ionic bonds
  3. hydrogen bonds
  4. covalent bonds
  5. all of the above
  6. none of the above

Number of correct answer for above questions is  (1)


2. Chaperons are involved in

  1. translation
  2. transcription
  3. protein degradation
  4. polypeptide folding
  5. mRNA processing

Number of correct answer for above questions is  (1)

[wp_campaign_1]

3. Restriction endonucleases

  1. are located in the nucleus
  2. degrade DNA completely
  3. bind to DNA
  4. are enzymes
  5. are proteins
  6. were discovered in the 1980s

Number of correct answer for above questions is  (3)

4. PCR is used for

  1. reverse transcribing RNA into DNA
  2. digesting proteins
  3. digesting DNA
  4. copying plasmids
  5. amplifying DNA
  6. amplifying proteins

Number of correct answer for above questions is  (1)

5. Transformation

  1. converts DNA into RNA
  2. converts RNA into proteins
  3. joins two DNA fragments
  4. cuts DNA into fragments
  5. introduces DNA into cells
  6. removes genomes from cells
  7. is used in cloning of DNA

Number of correct answer for above questions is  (2)


7. DNA polymerases

  1. join DNA fragments
  2. replicate RNA
  3. replicate DNA
  4. synthesize DNA in 5’->3’ direction
  5. synthesize DNA in 3’->5’ direction
  6. require a primer to function
  7. require nucleotides to function
  8. require ATP[wp_campaign_2]

Number of correct answer for above questions is  (4)

8.Genome markers

  1. Must occur as multiple alleles
  2. Must be repeat DNA sequences
  3. Can be any unique DNA sequence
  4. Are only used in genetic maps
  5. Are composed of foreign DNA

Number of correct answer for above questions is  (1)

9.Linkage analysis

  1. Is used in physical mapping
  2. Is based on Mendel’s laws
  3. Can only be used with prokaryotes
  4. Is based on recombination frequencies
  5. Requires unlinked genes

Number of correct answer for above questions is  (2)

10.Physical mapping

  1. Requires large numbers of organisms
  2. Is always based on optical methods
  3. Can use DNA fragment libraries
  4. Uses polymorphic restriction sites
  5. Can use sequence tagged sites (STSs)

Number of correct answer for above questions is  (2)

 

2 Comments.[ Leave a comment ]

  1. these Question r helpfull as it shows how ur preparation is & where u have to improve

Leave a Comment

Page optimized by WP Minify WordPress Plugin