A) Respiration B) Photosynthesis C) Temperature D) Dissolved oxygen
A) Respiration B) Ration C) Decomposition D) Eutrophication
A) Fish feed B) Clay particles C) Fertilizers D) Fish waste
A) 20g/l B) 18F C) 2ppm D) 70%
A) Carbonate ion B) Hydrogen ion C) Bicarbonate ion D) Hydroxyl ion
A) Lethal increase in pH B) Absence of photosynthesis C) Need of buffering system D) Build up of carbondioxied
A) Temperature and dissolved oxygen B) Alkalinity and hardness C) Photosynthesis and respiration D) Turbidity and pH
A) Soya bean cake B) Biological covers C) Rice molass D) Sugar cane bagass
A) Benthos B) Detritus C) Necton D) Plankton
A) 3mlphytoplankton/ 100l of pond water B) 110% saturated total ammonia C) 20ppm hardness D) A water transparency of 60cm
A) Supplementary feed B) Natural food C) Fish D) Complete feed
A) 50% B) 30% C) 15% D) 10%
A) Encourage food wastage B) Discourage uniformity in fish size C) Reduce dissolved oxygen consumption of fish D) Improve nutrient loss by leaching
A) Neither B) At selected pond area C) Either D) On entire pond area
A) 25% B) 0.5 difference C) 1:2:4 D) 1:2:1
A) 70% B) 25% C) 50% D) 4%
A) Good water drainage B) Avoiding soil erosion C) Disallowing run off into the fish pond D) High water holding capacity
A) Absence of buffer system B) Microbial degradation C) Supplementary feeding D) Adequate photosynthesis
A) Percentage saturation B) Milligram per litre C) Centimetre D) Parts per million
A) 20mg/l B) 60cm C) 5ppm D) 110%
A) Recirculatory pond B) Plastic pond C) Concrete pond D) Earthen pond
A) Plastic pond B) Earthen point C) Recirculatory pond D) Concrete pond
A) The types of lives present in it B) The nutrient content C) The number of lives it can support D) The interaction of lives with the non living environment
A) Forage B) Fish feed C) Ration D) Compost
A) They are life and dead foods B) Examples are larvae and water lettus C) The are formulated/prepared D) They can be initiated through decomposition
A) Benthos B) Detritus C) Plankton D) Necton
A) The species and the habitat B) The behaviour and the number C) The type and the amount D) The nutrient and the size
A) Rumen content B) Wheat middling C) Groundnut cake D) Fish meal
A) Disatisfaction B) Sinking ability C) Floating ability D) Wastage
A) Feeding fish with certain mass for a period of time B) Feeding fish with certain mass to achieve a known body weight C) Feeding fish with certain mass of its body weight D) Feeding fish to compensate for over stocking |