Download SGBAU BSc 2019 Summer 4th Sem Biotechnology Genetic Engineering n Microbial Biotechnology Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 4th Sem Biotechnology Genetic Engineering n Microbial Biotechnology Previous Question Paper

Time : Three Hours]
B.Sc. (l?artwll) Scmcstcr?IV Examination
4S : BIOTECHNOLOGY
(Genetic Engineering and Microbial Biotcclmulugy)
Note :~ (1) ALL questions are compulsory.
1. (A) Fill in the blanks :
(i) Transfer of DNA on Nitrocellulose membrane is called
(ii) A 7 is used as Antidiabelic protein.
(iii) Extraction of Metal ions with the help of Micro~organisms is called
(iv) Lac Z gene of Lac ()peron codes for m_?
(B) Choose the correct altemative :
(i) Which one is not a termination codon '3
(a) UAA (b) [JAG
(c) AUG (d) UGA
(ii) PCR was invented by :
(8) Watson & Crick (b) Kary Mullis
(0) Jacob 8; Monad (d) Willkins
(iii) Which is the main component of Biogas ?
(a) (?02 (b) ?2
(c) 1128 (d) CH4
(iv) Which among these is not a biofenilizer ?
(a) Rhizobium (b) Agrobacterium
(c) Azospirillum (d) Azolobactcr
(C) Answer in one sentence each :
(i) What is Transposon 1?
(ii) Give long form of CSTR.
(iii) De?ne fermentation
(iv) What are bacteriophages ?
2. Describe Watson & Crick double helical model of DNA.
OR
What is Replication ? Dcscn'bc the mechanism of DNA replication in Eukaryolcs.
3. Explain :
(21) Components of Lac opemn
(b) 'l?ranscriplional Bubble
(c) Brillon & Dzm'dson model.
OR
YBC ?15300 1
(2) Draw well labelled diagrams wherever necessary.
AVV?1731
[Maximum Marks : 80
:\
-4 _. _?
L7.
(COMM)

?JI
6.
YBC~
(d) Inducer & Repressm' (\f Lac xmcron
(e) Structurc of mRNA
(1) Post translational modi?cation of protein.
Describe :
(a) Southern Blotting
(b) Plasmid
(0) DNA manipulating enzymes
OR
(d) Bacteriophage
(e) Genomic DNA libr'an'
(1) PCR.
Describe :
(a) Insulin
(b) Recombinant vaccines
(c) Amino acids.
0R
((1) Interferon
(c) Dextran
(D Erythropoictin.
Explain :
(a) CSTR Bioreactor
(b) Alcohol fcrmentatmn
OR
(c) Batch 6?: continuous fennenzaziun
(d) Penicillin fermentation
Describe :
(a) Biogas
(b) Rhizobium as biofcnili7er
(c) Bioremediation.
0R
(d) Biolcaching
(e) Biopeslicide
(? Xenobiotic compmmds.
15300 7
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