5. The layer where ocean temperature decreases rapidly with depth is called :
6. On the average, sea surface salinity is :
7. Heat lost by sea due to evaporation is called :
8. If the time taken by a sound pulse to travel from the sound source at sea surface to the ocean floor and back is 3 seconds, then the approximate ocean depth is :
9. Coriolis force at the equator is :
10. Wind stress is proportional to :
11. In the ocean, light intensity :
12. The major limiting nutrient in culture ponds :
13. Acute hepatopancreatic necrosis disease, popularly known as Early mortality syndrome isan emerging disease that affects__________.
14. ___________has to be applied to ponds to increase pH after stocking of fishes/shrimps.
15. Peasoup green colour of water is often associated with this algae :
16. The paddle wheel aerator commonly used in shrimp culture ponds is an example of:
17. Ovaprim used for fish breeding consists of:
18. The number of days normally taken by Macrobrachium rosenbergii larvae to settle as post larvae at 28-320:
19. The scientific name of silver pompano, the captive breeding of which has been standardized is:
20. A widely used cryoprotectant for fish spermatozoa is :
21. The members of this group of fishes are non- guarders scattering eggs :
22. The zone of shallow water near the shore is called :
23. Methylene Blue is a :
24. Which one of the following does not indicatea species diversity index ?
25. An agent or a factor which causes malformation of an embryo isknown as :
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