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