Marine
Aquaculture Exam 2
July 4, 2001
|
Name: _____________________ |
Group:
______________________________ |
1. Please match each of the
following structures with
Choices:
Basement membrane __B__
Theca cells __A__
Granulosa cells _ C__
2.
Please identify the
following cells in this ovary cross section
Granulosa
3. Which organ produces egg
yolk proteins?
A. Follicle B.
Pituitary ■
Liver
4. Which follicle cell type
synthesizes estrogen?
A. Theca cells ■ Granulosa
Cells C. Basement Membrane
5. Please identify the
following shrimp species.
Choices:
White __C__
Pink __B__
Brown __A__
6. Which spawning strategy is
used by species that spawn once in the spring or fall?
A. Synchronous ■ Group Synchronous C. Asynchronous
7. Which hormone causes vitellegin (egg yolk protein) to be synthesized?
_______estrogen_____________
8. Spawning mats simulate which
spawning habitat?
A. Gravel nests ■ Aquatic vegetation C. Open water
9. Induced
spawning methods regulates which state of egg development?
■ Maturation B.
Vitellegensis C.
Fertilization
10. Which oocyte
characteristic is a goo indicator of a female that will respond to hormone
induction?
A. Clarity of
egg yolk ■ Oocyte
diameter C. Oil globule coalesence
11. In dry spawning water is
added to the eggs and sperm.
■ True B.
False
12. Day length and water
temperatures are examples of what?
A. Ultimate factors ■ Proximate factors C. Spawning strategies
13. Which species of shrimp is
most abundant in
■ Brown B.
Pink C. White
14. Explain why marshes are so
important in the life cycle of shrimp.
Produces habitat for larval
shrimp______________________________________
_________________________________________________________________
15. Two species of shrimp begin
spawning as early as March. Which
species begins spawning around May?
A. Brown ■ Pink C.
White
16. Shrimp ponds are stocked
with PLs at about what size?
■ 0.25 inch B. 0.5 inch C. 0.75 inch D. 1.0
inch
17. During an
average production season shrimp farmed in
■ 22-36 per pound B. 36-50 per pound C. 50-60 per pound
18. Bull minnow broodstock are stocked at what rate on a per acre basis?
A. 5,000 ■ 10,000 C.
15,000
19. In a farm setting bull minnows
spawn on what material?
Spawning mat___________________________
20. What is a RBC and what
purpose does it serve?
Rotating Biological Contactor – habitat for bacteria
and some aeration____________ ____________________________________________________________________
_____________________________________________________________________
21. Bull minnow begin spawning
when the water temperature rises to what temperature?
A. 64 F ■ 68 F C.
72 F
22. You have successfully
spawned bull minnows and now have hundreds of thousands of eggs. What are you going to do with them so you
have marketable size fish?
Transfer eggs__________________________________________________________
Fertilize
ponds_________________________________________________________
Feed fry______________________________________________________________
23. Please outline the
construction of a Taylor Float?
Float________________________________________________________________
Cage________________________________________________________________
Assemble____________________________________________________________
24. Please outline how you will
make your project presentation and list any special media requirements you will
have
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