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