Download SGBAU BSc 2019 Summer 6th Sem Biotechnology Plant Biotechnology Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 6th Sem Biotechnology Plant Biotechnology Previous Question Paper

?l?imc : Three Hours]
B.Sc. (I?art-lll) Semestcr?Vl Examination
6S : BIOTECHNOLOGY (R/V)
(Plant Biotechnology)
Note :?(1) All questions are compulsory.
Y! K.
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(B)
(C)
(2) Draw neat and well labelled diagrams wherever ncccssary.
Fill in the blanks :
AW?l 7 82
[Maximum Marks : 80
(i) 'l'hc movement of ions across cell membrane without need of cellular cncrg}; is
(ii) Exchange of CO2 and ()2 in plants takes place through _.
(iii) T-DNA is found in 7 plasmid.
(iv) Lise of electric pulsc for gene transfer is called _
Multiple choice questions :
(i) llormone responsible for Apical Dominance is :
('a') Auxin (b) Cytokinin
(c) Ethylene (d) GA
(ii) Ascptic inoculation of explant 0n Nutrient medium rcquircs :
(a) Centrifuge (b) Growth chamber
(c) Laminar Air ?ow ((1) Autoclave
(iii) Enzymcs required for protoplast isolation arc :
('a) Invertuses (b) Cellulasc and Pectinase
(c) Nucleases (d) Zymasc
(iv) Triploids are produced by :
(a) l?ollcn culture (b) Anthcr culture
(c) Endosperm culture (d) All of the about
Answer in one sentence catch :
(i) De?ne Organogcncsis.
(ii) What is Somaclonal variation ?
(iii) Give the role of Autoclave in Tissue culture.
(iv) What is Geotropism 2?
Describe :
(a)
(b)
(c)
Growth curve.
Structure of stomata.
Geotropism.
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(id) Apical dnminancc
(C?) Radium n:ncrgy.
(f) l?hotmronism.
Explain in duail the physiolngma? roles oi?AuVin.
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Explain in detail the physiol?wgical rolcs of (iibberellins.
4. Explain in brief :
(a) Practica. applicalinns 01' ?lisruc cullurc
(h) Growth Chamber.
(c) ('omposition 01? MS medium.
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(d) Design Uf?TiSSUt? (?ultur?e Lelmrmory:
(c) Commercialization of 'I?iswr (Tfulturc.
(D Autoclave.
5. Describc :
(\a) Micropropagati on.
(b) Hardening methods of Tiww cultural pianls.
(c) limhrya rescue.
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(d) Anthel culture.
(0) Applicatiom 01? somaclom] \ ariation.
(l?) Callus culture.
6. Dcscribc luchniqucs ot? Singlc acl] smpensiun culture :?md its applications.
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Describe protoplusl isnlatinn aLd regeneration in dclail.
7. Dcscribc :
(a) ?l'i-plasmid.
(h) Somatic hybridizalim
(c) Gene gun mc?md 01' gene transfer.
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(d1 l?ilcctroporalion
(c) Markers for SCICCIiQI, of Lyhrid cells
(1') (?ybrids.
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