click here to download the assam university Hons bsc question paper. this is zoology hons question paper of 1st semester of the year 2015
TDC Odd Semester Exam., 2015
ZOOLOGY
Honours)
( 1st Semester )
ZOOH—1O1
(Taxonomy and Lower Chordates)
Full Marks: 35
Pass Marks: 12
Time: 2 hours
The figures it1w1nlzrpê ifl4itefi4lrnarks for the quitters
Answer five questions, selecting one from each Unit
UNIT—I
1. Define taxonomy. Mention the salient features of International Code of Zoological Nomenclature (ICZN). 1+6=7
2. Write short notes on any two of the following: 31/2x2=7
(a) Binomial nomenclature
(b) Monotypic species
(c) Subspecies concept
UNIT—II
3. Write a brief note on the recent trend8 in systematics. 7
4. Describe the concept and importance of taxonomic classification. Add a brief note on species concept. 5+2.
UNIT—III
5. mention the general features or chordate. write their classification (up to class) citing suitable Examples. 3+4—7
6. Differentiate between progressive and retrogressive metamorphosis. write the affinities of Amphioxus. 2+5-7
UNIT—IV
7. Mention the characteristic features or Cyclostomes. Mention the anatomical peculiarities or Petromyzon. 24+44-7
8. (a) write a brief note on Ammocoete larva. 4
(b) write the phylogenetic importance or Ammocoete larva. 3
UNIT—V
9. write an account on various types of accessory respiratory organs found in fishes. 7
10. distinguish between Chondrichthyes and Osteichthyes. write the classification of class Pisces (up te order) with suitable examples. 2+5-7
ZOOLOGY
(Honours)
( 1st Semester )
ZOOH—102
(Higher Chordates)
Marks : 35
Pas Marks 12 CO. i
Time: 2 hours
The figures in the margin indicate full marks for the questions
Answer five questions, selecting one from each Unit
UNIT—I
1. (a) Write four general characters of amphibia. 2
(b) Classify it up to living orders with distinctive characters and examples. 5
2. (a) How would you identify a male and a female to externally? 2
(b) what is cutaneous respiration? When does it take place? 2
(c) Explain with suitable diagram female urinogenital system of a toad. 3
UNIT—II
3. (a) write four salient features of Lacertilin.. 2
(b) What is ductus caroticus? 1
(c) Explain with suitable diagram the circulation of blood through heart of a Calotes. 4
4. (a) Differentiate between poisonous and non-poisonous snakes. 2
(b) write two difference between Ophidian and Lacertilia. 2
(c) Explain with suitable diagram the male urinogenital system of Calotes. 3
UNIT—III
(b) Write systematic position of pigeon up to species. 2
(c) Distinguish between Ratitae and Carinatae. 3
6. (a.) Elucidate the structure or pigeon's lung with diagram. 2+1-3a
(b) what are the functions of their alrsacs? 2
(e) why its respiration is called n double respiration? 2
UNIT—IV
7. (a) Enlist the distinctive characters of Mammalia. 2
(b) Name the orders of following Mammals: ornithorhynchus, Dog, Horse, Elephant
(c) Describe with suitable diagram the female reproductive system or guinea pig. 3
8. (a) Explain the dental formula or guinea pig. 2
(b) Elucidate the role of digestive glands in the process of digestion in guinea pig. 4
(c) what Is caecotrophy? 1
UNIT—V
9. (a) What are neoteny and paedogenesis? 2
(b) Explain chemical basis of neoteny. 2
(c) Briefly discuss the process of neoteny in amphibia. 3
10. Write short notes on the following : 3V2+3V7
(a) Affinity of Sphenodon
(b) Salient feature of Sphenodon
TDC Odd Semester Ezam., 2015
ZOOLOGY
Honours
1st Semester
ZOOH-103
(Non-Chordates_I)
ll9dsg: :,
Pass Marks
Time : 2 hours
The figures in the margin indicate full marks for the questions
Answer five questions, taking one from each Unit
UNIT—I
1. (a) What are Protozoa arid Parazoa? 2(b) Enlist salient features of Ciliophora. 2
(c) Elucidate the structure of Polystomella with diagram. 3
2. (a) what is metachronous rhythm?
(b) Name the types or nutrition in protozoa.
(e) Illustrate conjugation in Paramoecium with suitable diagram. 4
UNIT—II
3. (a) Enlist four characteristics of Porifera.
b) Classify the phylum up to classes with at least two characters and examples.
4. (a) what are different layers present in the body wall of Sycon?
(b) Name different cellular components of it and describe structures and functions of each.
UNIT—III
5. (a) what is Ncmatocyst?
(b) Enlist four important features or Cnidaria.
(c) write difference between polyp and Medusa.
(d) Explain ‘metagenesis' or ‘alternation or generation’ as seen in obelia.
6. (a) Wu straw polymorphism In Siphonophora.
(b) What is Cora3?
(c) Add note on coral reef and their formation. 3
UNIT—IV
7. (a) Write four salient features of Platyhelininthes. 2
(b) what do you mean by Digenea?
(c) Name the classes and subclasses to which Fasciola and Taenia belong to.
8. a) Elucidate the life cycle or Schistosoma with labelled diagram. 4.1—5
(b State symptoms of Schiatoaomjasja. 2
UNIT—V
9. (a) whnt is Rlhabditikrm larva? I
(b) what is pseudocoelom?
(c)q write three .uilent feature, or Ncmathelninthes. 3
(d) Write difference in morphology cr ir.alc and female wutherrrfo 2
10. (a) Wha1 is Filariasis? Name its hosts. 1+1=2
(b) Illustrate with diagram the life cycle of Wucherena bancrofti. 2+3=5
COMMENTS