WFA 206_Ichthyology - SOUTH EASTERN UNIVERSITY COLLEGE(A CONSTITUENT COLLEGE OF THE UNIVERSITY OF NAIROBI UNIVERSITY EXAMINATIONS 2012\/2013 SECOND

WFA 206_Ichthyology - SOUTH EASTERN UNIVERSITY...

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SOUTH EASTERN UNIVERSITY COLLEGE (A CONSTITUENT COLLEGE OF THE UNIVERSITY OF NAIROBI ) UNIVERSITY EXAMINATIONS 2012/2013 SECOND YEAR FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN FISHERIES MANAGEMENT AND AQUACULTURE TECHNOLOGY WFA 206: ICHTHYOLOGY DATE: 13 th August 2012 TIME: 2 HOURS ___________________________________________________________________ INSTRUCTIONS TO CANDIDATES (a) Answer ALL the Questions in Section A (b) Answer ANY THREE Questions in Section B
SECTION A ( 5 MARKS EACH) 1 . Using an annoted diagram, describe the main morphological differences between hagfishes and lampreys. 2. State the main distinguishing characteristics between elasmobranchs and holocephali. 3. Briefly compare and contrast reproductive behavior between Skates and rays. 4. Describe the anatomical affinity of the crossopterygii to the tetrapoda. 5. Briefly explain the meaning of: a) Aestivation b) Ovoviviparity 6. State 2 main characteristics of the sub-class dipneustei (sarcopterygii) and name the 3 representative species. 7. Name 5 families of fish found in Lake Victoria and give an example of each.

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