MS – 294

*MS294*

II Semester B.Sc. Examination, May/June 2014 (Semester Scheme) MICROBIOLOGY – II Microbial Taxonomy and Cultural Techniques (F+R – 70, 2011-12 & Onwards, R – 60 Prior to 2011-12) Time : 3 Hours

Max. Marks : 70 (F)/60(R)

Instructions : 1) Candidates of 2011 onwards should answer all the Sections. 2) Candidates prior to 2011 should answer A, B and C Sections only. 3) Draw diagrams wherever necessary. 4) 70 marks for fresh students of 2011-12 onwards. 5) 60 marks for repeater students prior to 2011-12.

»ÝWÜ & G I.

PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÃÜ ŸÃæÀáÄ. 1) ×qÃæãàÔӅr 2) ÈíWÜ ±æçÆӅ ÖÝWÜã µÊÜ兹ÅàÁáà 3) q.Gí.Ë. ÊæçÃÝ|á訆 ÃÜaÜ®æ 4) PæãàÍÜWæãàvæ ÃÜ×ñÜ ¨ÜívÝ|á 5) Óæã³àÃæíi¿áÊÜå….

(5×2=10)

PART – A I. Answer the following.

(5×2=10)

1) Heterocyst 2) Sex pilus and fimbriae 3) Structure of TMV 4) Pleomorphic bacteria 5) Sporangium.

P.T.O.

MS – 294

-2-

*MS294*

»ÝWÜ & ¹ II. PæÙÜX®Ü ¿ÞÊÜâ¨Ý¨ÜÃÜã ®ÝÆáR ±ÜÅÍæ°WÜÚWæ EñܤÄÔ. 6) ÊæçÃÝ|áWÜÙÜ PÜáÄñÜá ÓÝÊÜޮܠWÜá|ÆPÜÒ|WÜÙÜ®Üá° ËÊÜÄÔ. 7) BQr®æãÊæáçÔp…WÜÙÜ ÓÝÊÜޮܠWÜá|ÆPÜÒ|WÜÙÜ®Üá° PÜáÄñÜá ËÊÜÄÔ. 8) ¨ÜívÝ|á訆 ¯ÈìíWÜ ÓÜíñÝ®æãàñܳ£¤¿á®Üá° PÜáÄñÜá ŸÃæÀáÄ. 9) AWÝÂÄPÜӅ®Ü hæçËPÜ aÜPÜÅÊÜ®Üá° Jí¨Üá bñÜÅ¨Ü ÊÜáãÆPÜ ÊÜÞ×£ ¯àw. 10) BÊÜáÉg®ÜPÜËÆÉ¨æ Ÿ¨ÜáPÜáÊÜ ÓÜãPÜÒ$¾iàËWÜÙÜ PÜêÑ ÊÜÞvÜáÊÜ Ë«Ý®ÜÊÜ®Üá° ËÊÜÄÔ.

(4×5=20)

PART – B II. Answer any four of the following.

(5×2=10)

6) Briefly explain the general properties of viruses. 7) Explain the salient features of Actinomycetes. 8) Give an account on the Asexual reproduction in bacteria. 9) Illustrate only a neat labelled diagram of the life cycle in Agaricus. 10) Explain the cultivation of Anaerobic bacteria.

»ÝWÜ & Ô III. PæÙÜX®Ü ¿ÞÊÜâ¨Ý¨ÜÃÜã ÊÜáãÃÜá ±ÜÅÍæ°WÜÚWæ EñܤÄÔ. (3×10=30) 11) PÜêÑ ÊÜÞ«ÜÂÊÜá Gí¨ÜÃæà®Üá ? A¨ÜÃÜ ËË«Ü ŸWæ¿á ÊÜÞ«ÜÂÊÜáWÜÙÜ®Üá° PÜáÄñÜá ÊÜ~ìÔ. 12) ±æ¯ÔàÈ¿áÊÜå…®Ü ¸ÝÖÜ bñÜÅ ÖÝWÜã A¨ÜÃÜ ÓÜíñÝ®æãàñܳ£¤¿á®Üá° ÊÜ~ìÔ. 13) ¯àÈ ÖÜÔÃÜá ÃÜ×ñÜ ¨ÜívÝ|á訆 ÃÜaÜ®æ ÖÝWÜã A¨ÜÃÜ ÓÜíñÝ®æãàñܳ£¤¿á®Üá° PÜáÄñÜá ÊÜ~ìÔ. 14) ¨ÜívÝ|áWÜÙÜ®Üá° & EÐÜ¡ñæ, ÃÜÓÜÓÝÃÜ ÖÝWÜã BÊÜáÉg®ÜPÜ¨Ü B«ÝÄñÜÊÝX ËíWÜwÔ ŸÃæÀáÄ. 15) QàÊæãàÓÝr$Âp…®Ü PÝ¿áì ÊÜáñÜᤠ±ÜÄQÅÁá¿á®Üá° ¯ÃÜíñÜÃÜ PÜêÑ¿á B«ÝÄñÜÊÝX ÊÜ~ìÔ. PART – C III. Answer any three of the following.

(5×2=10)

11) Define culture media. Classify and explain the different types of culture media. 12) Explain the structure and reproduction in Penicillium. 13) Explain the structure of a cyanobacterial cell and the mode of reproduction. 14) Classify bacteria based on temperature, pH and Oxygen requirement. 15) Explain the function and operations of a chemostat in continuous cultivation system.

*MS294*

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»ÝWÜ & w IV. PæÙÜX®Ü GÇÝÉ ±ÜÅÍæ°WÜÙÜ®Üá° Jí¨Üá ÊÝPܨÜÈÉ ŸÃæÀáÄ. 16) 17) 18) 19) 20) 21) 22) 23) 24) 25)

MS – 294

(10×1=10)

BÓæãRàPݱÜì g‚áÓæã³àÅWÜÙÜá GDž.².GӅ. ÓÜ̱æäàÑñÜ ¨ÜÅÊÜ ±ÝÂÃݵ®… ±ÝÉP… ±ÜÄàPæÒ Êæáç¥Ü®æãàg®…WÜÙÜá AËá¸Ý ®ÜãÂQÉà¿Þv… ©ÌÃÜ| ÓÜÊÜá¿á. PART – D

IV. Answer the following in one sentence only. 16) Ascocarp

(5×2=10)

17) Zoospores

(5×2=10)

18) LPS

LPS(5×2=10)

19) Autotroph

(5×2Autotroph=10)

20) Liquid paraffin

(5×2=10)

21) Plaque assay(5×2=10) 22) Methanogen(5×2=10) 23) Amoeba(5×2=10) 24) Nucleoid

(5×2=10)

25) Generation time. –––––––––––––––––

(5×2=10)