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Molecular Biology Quiz with Answers

Molecular Biology Quiz with Answers can help students evaluate their knowledge on molecular biology. Answers are also given for molecular biology MCQs with answers PDF to help you remember. Try our molecular biology MCQs with answers to see if you can get all the answers right for molecular biology MCQs with answers PDF questions below.

Molecular Biology Quiz with Answers

Molecular Biology is the study of macromolecules and macromolecular mechanisms found in living things, such as the molecular nature of the gene and its mechanisms of gene replication, mutation, and expression, is the focus of molecular biology. 

Molecular Biology MCQs with Answers PDF

1. P32 labelling was done to bacteriophage

  1. DNA
  2. Protein coat
  3. Lipid
  4. Polysaccharide

2. S35 labelling was done to bacteriophage               

  1. DNA      
  2. Protein coat      
  3. Lipid      
  4. Polysaccharide 

3. The molecular chaperone which causes nucleosome assembly is              

  1. Nucleoplasmin         
  2. Histone       
  3. Hu protein 
  4. Ubiquitin    

4. Simple sequence DNA is concentrated in     

  1. Centromere              
  2. Telomere   
  3. Blastomeres              
  4. Blastocyst           

5. LTRs are absent in           

  1. LINES    
  2. SINES   
  3. LINES and SINES             
  4. Viral retrotransposons

6. Chicken lysozyme gene is a good example of             

  1. Single copy DNA      
  2. Moderately repetitive DNA
  3. Simple sequence DNA          
  4. Highly repetitive DNA

7. Difference in length of simple sequence tandem arrays helps to develop a technique called

  1. Foot printing     
  2. Northern blotting           
  3. Western blotting
  4. Finger printing  

8. Important hallmark of IS element is        

  1. Short direct repeats       
  2. Long direct repeats        
  3. Inverted repeats             
  4. Tandem repeats

9. IS element contain  enzyme               

  1. Helicase      
  2. Primase       
  3. Transposase              
  4. Topoisomerase

10. The length of the DNA segment present in the nucleosome core particle is    

  1. 140 bp
  2. 200 bp
  3. 166 bp
  4. 114 bp

11. The housekeeping genes have

  1. GC box
  2. TATA box      
  3. Pribnow box   
  4. CAAT box

12. Negative supercoils are removed by   

  1. Topoisomerase I         
  2. Gyrase
  3. Helicase          
  4. Rep protein

13. DNA chains differ from each other by one nucleotide can be revolved using

  1. 20% agarose   
  2. 20% polyacrylamide   
  3. 1% agarose     
  4. 1% polyacrylamide

14. Satellite DNAs are found in the region of       

  1. Euchromatin   
  2. Heterochromatin         
  3. Hypervariable regions 
  4. Functional elements

15. Polytene chromosomes are produced by        

  1. Gene inversion           
  2. Gene conversion         
  3. DNA amplification     
  4. Retrotransposons

Answers

  1. DNA
  2. Protein coat
  3. Histone
  4. Centromere
  5. LINES and SINES
  6. Single copy DNA
  7. Finger printing
  8. Short direct repeats   
  9. Transposase
  10. 166 bp
  11. GC box
  12. Topoisomerase I
  13. 1% agarose
  14. Heterochromatin
  15. DNA amplification

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