Top 20 Biotechnology Quiz

Top 20 Biotechnology Quiz

Top 20 Biotechnology Quiz

Biotechnology is a wide field of Biology that involves living systems and organisms to make new products beneficial for mankind. It has applications in various sectors such as medicine and agriculture.
  1. Restriction enzymes were discovered by
  1. Smith and Nathans
  2. Alexander Fleming
  3. Berg
  4. None

Answer:- {A} Smith and Nathans  

  1. Bacteria protect themselves from viruses by fragmenting viral DNA with
  1. Ligase
  2. Endonuclease
  3. Exonuclease
  4. Gyrase

Answer:- {B} Endonuclease  


 Also read:- Fermentation Definition
  1. Klenow fragment is derived from
  1. DNA Ligase
  2. DNA Pol-I
  3. DNA Pol-II
  4. Reverse Transcriptase
Answer:- {B} DNA Pol-I  
  1. Southern blotting is
  1. Attachment of probes to DNA fragments
  2. Transfer of DNA fragments from electrophoretic gel to a nitrocellulose sheet
  3. Comparison of DNA fragments to two sources
  4. Transfer of DNA fragments to electrophoretic gel from cellulose membrane
Answer:- {B} Transfer of DNA fragments from electrophoretic gel to a nitrocellulose sheet  
  1. ELISA is
  1. Using a radiolabeled second antibody
  2. Usage of RBCs
  3. Using complement-mediated cell lysis
  4. Addition of substrate that is converted into a colored end product
Answer:- {D} Addition of substrate that is converted into a colored end product  
  1. The Golden Rice variety is rich in
  1. Vitamin C
  2. Β-carotene and ferritin
  3. Biotin
  4. Lysine
Answer:- {B} Β-carotene and ferritin  
  1. The DNA fragments have sticky ends due to
  1. Endonuclease
  2. Unpaired bases
  3. Calcium ions
  4. Free methylation
Answer:- {B} Unpaired bases  
  1. Plasmids are used as cloning vectors for which of the following reasons?
  1. Can be multiplied in culture
  2. Self-replication in bacterial cells
  3. Can be multiplied in laboratories with the help of enzymes
  4. Replicate freely outside bacterial cells
Answer:- {B} Self-replication in bacterial cells  
  1. The human genome project was launched in the year
  1. 1980
  2. 1973
  3. 1990
  4. 1989
Answer:- {C} 1990  
  1. The vaccines prepared through recombinant DNA technology are
  1. Third generation vaccines
  2. First-generation vaccines
  3. Second-generation vaccines
  4. None
Answer:- {A} Third generation vaccines  
 
Also read:- Top 10 Biotechnology Colleges 
 
  1. Which is a genetically modified crop?
  1. Bt-cotton
  2. Bt-brinjal
  3. Golden rice
  4. All
Answer:- {D} All  
  1. PCR technique was invented by
  1. Karry Mullis
  2. Boyer
  3. Sanger
  4. Cohn
Answer:- {A} Karry Mullis  
  1. The first transgenic plant to be produced is
  1. Brinjal
  2. Tobacco
  3. Rice
  4. Cotton
Answer:- {B} Tobacco  
  1. RNA interference helps in
  1. Cell proliferation
  2. Micropropagation
  3. Cell defense
  4. Cell differentiation
Answer:- {C} Cell defense  
  1. Which of the following is the quality of improved transgenic basmati rice?
  1. Gives a high yield but no characteristic aroma
  2. Gives a high yield and is rich in vitamin A
  3. Does not require chemical fertilizers and growth hormones
  4. Resistant to insects and diseases
Answer:- {B} Gives a high yield and is rich in vitamin A  
  1. The first clinical application of gene therapy over a 4 year old girl was for
  1. Adenosine deaminase deficiency
  2. Adenosine deficiency
  3. Growth deficiency
  4. Adenine deficiency
Answer:- {A} Adenosine deaminase deficiency  
  1. Excision and insertion of a gene is called
  1. Biotechnology
  2. Genetic engineering
  3. Cytogenetics
  4. Gene therapy
Answer:- {B} Genetic engineering  
  1. The expression of a transgene in the target tissue is identified by a
  1. Transgene
  2. Promoter
  3. Enhancer
  4. Reporter
Answer:- {D} Reporter  

 Also read:- NANO DIAMOND BATTERY
  1. ———– is used as a vector for cloning into higher organisms
  1. Retrovirus
  2. Baculovirus
  3. Salmonella typhimurium
  4. Rhizopus nigricans
Answer:- {A} Retrovirus  
  1. Which bacterium is used in the production of insulin by genetic engineering?
  1. Saccharomyces
  2. Rhizobium
  3. Escherichia
  4. Mycobacterium
Answer:- {C} Escherichia