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