A) Photosynthesis B) Respiration C) Temperature D) Dissolved oxygen
A) Eutrophication B) Decomposition C) Ration D) Respiration
A) Fish feed B) Fertilizers C) Fish waste D) Clay particles
A) 70% B) 18F C) 2ppm D) 20g/l
A) Hydrogen ion B) Carbonate ion C) Hydroxyl ion D) Bicarbonate ion
A) Build up of carbondioxied B) Lethal increase in pH C) Absence of photosynthesis D) Need of buffering system
A) Temperature and dissolved oxygen B) Turbidity and pH C) Photosynthesis and respiration D) Alkalinity and hardness
A) Biological covers B) Sugar cane bagass C) Rice molass D) Soya bean cake
A) Plankton B) Detritus C) Necton D) Benthos
A) 110% saturated total ammonia B) 20ppm hardness C) 3mlphytoplankton/ 100l of pond water D) A water transparency of 60cm
A) Supplementary feed B) Fish C) Natural food D) Complete feed
A) 30% B) 10% C) 15% D) 50%
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) Either C) At selected pond area D) On entire pond area
A) 25% B) 1:2:4 C) 1:2:1 D) 0.5 difference
A) 25% B) 50% C) 70% D) 4%
A) Avoiding soil erosion B) Good water drainage C) Disallowing run off into the fish pond D) High water holding capacity
A) Supplementary feeding B) Absence of buffer system C) Microbial degradation D) Adequate photosynthesis
A) Parts per million B) Percentage saturation C) Milligram per litre D) Centimetre
A) 110% B) 5ppm C) 60cm D) 20mg/l
A) Concrete pond B) Earthen pond C) Recirculatory pond D) Plastic pond
A) Recirculatory pond B) Concrete pond C) Plastic pond D) Earthen point
A) The number of lives it can support B) The nutrient content C) The interaction of lives with the non living environment D) The types of lives present in it
A) Ration B) Fish feed C) Forage D) Compost
A) They are life and dead foods B) The are formulated/prepared C) Examples are larvae and water lettus D) They can be initiated through decomposition
A) Detritus B) Plankton C) Benthos D) Necton
A) The type and the amount B) The species and the habitat C) The nutrient and the size D) The behaviour and the number
A) Rumen content B) Fish meal C) Wheat middling D) Groundnut cake
A) Wastage B) Floating ability C) Disatisfaction D) Sinking ability
A) Feeding fish with certain mass to achieve a known body weight B) Feeding fish with certain mass for a period of time C) Feeding fish to compensate for over stocking D) Feeding fish with certain mass of its body weight |