Microsoft Word - EZO -06(20UA77EZO6).doc

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1 NETAJI SUBHAS OPEN UNIVERSITY ß±Ó fl Û±Í Sê ( BDP ) Ú œ Ú ÛS (Assignment), øî À ı, 2019 Ê Ú, 2020 (December-2019 & June-2020) ø26 fl Û±Í Sê ( Elective Course ) õ ±Ìœø ıapple ± ( Zoology ) á ÛS ( 6th Paper ) Taxonomy and Evolution : EZO-6 Û Ì«±Ú 50 QUESTION PAPER CUM ANSWER BOOKLET ±ÀÚ ı &èq 30% (Full Marks : 50 ) (Weightage of Marks : 30%) Ûø ı ø Ó Ô± Ô Î M À ı ı Ê Ú ø ıà Œapple ± À ıº qx ı±ú±ú, Ûø ı 26 ißó ± ı Ûø ı ± ı ô ±é À ı ı Œé ÀS Ú ı Œfl ÀÈ ŒÚ ± À ıº Î Û±ÀôL õ Àùü ı ±Ú ø Ó ±À º Special credit will be given for precise and correct answer. Marks will be deducted for spelling mistakes, untidiness and illegible handwriting. The figures in the margin indicate full marks. Name (in Block Letter) :... Enrolment No. Study Centre Name :... Code :... To be filled by the Candidate For Evaluator's only Serial No. of question answered Marks awarded Q.P. Code : 20UA77EZO6 TOTAL Signature of Evaluator with Date NETAJI SUBHAS OPEN UNIVERSITY ß±Ó fl Û±Í Sê ( BDP ) Ú œ Ú ÛS (Assignment), øî À ı, 2019 Ê Ú, 2020 (December-2019 & June-2020) ø26 fl Û±Í Sê ( Elective Course ) õ ±Ìœø ıapple ± ( Zoology ) á ÛS ( 6th Paper ) Taxonomy and Evolution : EZO-6 STUDENT'S COPY Name (in Block Letter) :... Enrolment No. Study Centre Name :... Code :... Q.P. Code : 20UA77EZO6 Received Answer Booklet Signature with seal by the Study-Centre

2 2/20 Ê è ı œ øúàapple«/ IMPORTANT INSTRUCTION ± ± œ ø é ± ı ±«ôl Û ı œé ± ( T.E. Exam.) ÚÓ Ú ı ı ö± Ô± õ ùü Î M ı Û øô fl ± (QPAB) õ ıó«ú fl ı ± À ıº ÚÓ Ú ı ı ö± ı ±ÀÔ Û ı œé ±ÔπÀapple ı ˆ ô fl ı ± ı Ê Ú ıó«±ú Ú œ Ú ÛÀS õ øó øè õ Àùü ı øúàapple«ú ± œ øúøapple«ü ö±àú Î M ı øapple ÀÓ À ıº New system i.e. Question Paper Cum Answer Booklet (QPAB) will be introduced in the coming Term End Examination. To get the candidates acquainted with the new system, now assignment answer is to be given in the specific space according to the instructions. Detail schedule for submission of assignment for the BDP term End Examination December-2019 & June Date of Publication : 14/02/ Last date of Submission of answer script by the student to the study centre : 07/03/ Last date of Submission of marks by the examiner to the study centre : 08/04/ Date of evaluated answer scripts distribution by the study centre to the students (Students are advised to check their assignment marks on the evaluated answer scripts and marks lists in the study centre notice board. If there is any mismatch / any other problems of marks obtained and marks in the list, the students should report to their study centre Co-ordinator on spot for correction. The study centre is advised to send the corrected marks, if any, to the COE office within five days. No change / correction of assignment marks will be accepted after the said five days. : 18/04/ Last date of submission of marks by the study centre to the Department of C.O.E. on or before : 20/04/2020 ±ÀÚ øfl  ø À ıú Ú± Do Not Write Anything Here

3 3/20 1. Œ -Œfl ±ÀÚ± apple íøè õ Àùü ı Î M ı øapple Ú 10 2 = 20 Answer any two questions : (a) (b) (c) (d) Œ Ìœø ıú ±À ı Ó N&ø ı Ú± ø Úº flv ±øî ʃ ƒ- ı ı ± ± øapple Úº Û ø ı«ó ± ı ± Ú Àg Àé À Û ø Úº Write down the names of theories of classification. Explain cladism. Briefly describe the law of priority. Ê œ ı±àù ı ı øú ı + ÛÀÌ Œ Î Œ ı øî fl ± ı«ú ÛXøÓ ıì«ú± fl èúº Œ À ±ÀÊ ±ø fl øò À ı ˆ ± &ø ø ıô ±ø ı Ó ˆ ±À ı ø ø Û ıx fl èúº Describe the lead and radio carbon method for determination of age of fossil. Elaborate the divisions of Mesozoic Era. Œ À` ø ±Ú Û Û À ÀÚ ı :± øapple Úº ±ø øùë Àfl ±À øk fl ±Àfl ıà øê Ú õ ı± SøÈ ø Úº ø À - ı ± È õ ˆ ± ı øfl Define Mendelian population. What is allele frequency? Write down the law of gene flow. What is Sewell-Wright effect? õ Ê ±øó Î æ Àˆ ı õ fl ± ı &ø ø Úº õ Ê ±øó Î æ À ı ı ± ı ı ÀÓ øfl Œ ı±á ± ø Û ±ø Cfl õ Ê ±øó Î æ Àapple ı ÛXøÓ ±À ± Ú± fl èúº Write the principal classes of speciation. What is meant by rate of speciation? Discuss the mode of sympatric speciation. õ Ô Î M ı / First Answer :

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10 10/20 2. Œ Œfl ±ÀÚ± øó ÚøÈ õ Àùü ı Î M ı øapple Ú 6 3 = 18 Answer any three questions : (a) ø S ô Ú Û± œ ı Œ Û fl apple ÀôL ı ø ı ıó«ú ø ø Û ıx fl èúº Describe with the help of diagram the evolution of molar teeth in mammals. (b) ø ıø26 ißfl ı ÀÌ ı :± ø Úº Î apple ± ı Ì Ÿ Ó fl ± œú ø ıø26 ißfl ı Ì ÛXøÓ ø Úº Define isolation. Describe with example the seasonal isolating mechanism. (c) (d) ±ˆ ±ø ıfl ø ı ı Ì õ øsê ± ı ± ± fl èúº Explain natural dispersal process. ø S ø ±À ı ı Û ı œé ± ıì«ú± fl èúº Describe Miller's experiment with diagram. (e) apple øè è ı± œ õ ±Ìœ ı ı:±øúfl Ú± ø Úº è Ûø ı À ıà Œfl ±Úƒ ÛXøÓ ÀÓ øapple ÀÚ Ó ± Û øú ı Ú y ı º Write scientific names of two desert animals. In what way thermoregulation is possible during day time in desert environment? (f) Ú± ı±apple øˆ øm fl õ Ê ±øó Ò± ı ̱ ı :± øapple Úº À ±È ± Û øú È ± À Û ı :± øapple Úº Define nominalistic species concept. Define holotype and neotype. õ Ô Î M ı / First Answer :

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17 17/20 3. Œ Œfl ±ÀÚ± ± ı øè õ Àùü ı Î M ı øapple Ú 3 4 = 12 Answer any four questions : (a) (b) (c) (d) (e) (f) (g) õ ±Ìœ ø ıô ±À ı ±Àapple œ =± ÀÚ ı ˆ ø fl ± ø Úº Write down the role of continental drift in animal distribution. ± Ù ± ø ıè ± È ±À'±Úø ı :± øapple Úº Define alpha and beta taxonomy. ø ıøˆ iß õ fl ±À ı ı È ± Û øfl ˆ ±À ı øúò±«ø ı Ó How is typification determined? ø ı À KI ± =À ı Ê ı± ı ıø Ü ø Úº =À ı Î Û = &ø ı Ú± Î À~ fl èúº Write down the climatic condition of Oriental realm. Mention the names of subregions of this realm. ø S ø ø œ ı± ı ö± ıì«ú± fl èúº Discuss bottle neck effect with diagram. fl ø ı ÀÎ ± ı ÛÀ Üfl ƒ ÛÔ fl ±Àfl ıà What are corridor and sweepstakes pathway? Î apple ± ı Ì ±Sê ̱Rfl Ú fl øó ıì«ú± fl èúº Describe aggressive mimicry with example. õ Ô Î M ı / First Answer :

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