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