11,

12,

13,

14,

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16.

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18.

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The major limiting nutrient in culture ponds :
{^} Phosphorus (B) Nitrogen (C} Potassium (D) Calcium
Acute hepatopancreatic necrosis disease, popularly known as Early mortality syndrome is

an emerging disease that affects _ .
(2) Indian major carps (B) Macrobrachium rosenbergii

(€) Penaeus vannamei (D) Pangasius ॐ.

‎has to be applied to ponds to increase pH after stocking of fishes/shrimps.‏ کا
‎(पद [पाट्‌ (8) Agricultural lime‏ )^(

‎(09 Gypsum (D) Slaked lime

‎Peasoup green colour of water is often associated with this algae :
(A} Microcystis (18) Anabaena (C) Euglena (D) Spirogyra

‎The paddle wheel aerator commonly used in shrimp culture ponds is an example of :
(५५) Gravity aerator {B) Diffuser aerator
(0 Surface aerator (D) Bucket dissipater type

‎Ovaprim used for fish breeding consists of :

‎(A) Natural salmon GnRH

‎(8) Pituitary extract and domperidone

‎(9) Synthetic analogue of sGnRH

‎(D) Synthetic analogue of sGnRH and domperidane

‎The number of days normally taken by Macrobrachium rosenbergii larvae to settle മട post
larvae at 28-32°C :

‎(^) 22-26 days (8) 35-38 days {C) 15-18 days (D) 32 - 35 days

‎The scientific name of silver pompano, the captive breeding of which has been standardized
8:

‎(ಡಿ) Trachinotus mookalee (8) Epinephelus coioides
(C) Rachycentron canadum (ए) Trachinotus blochii

‎A widely used cryoprotectant for fish spermatozoa is :
(ക) Buffered formalin (8 Ethyl alcohol
(^) DMSO (D) Isopropyl alcohol

‎204/2015 4 A

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