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