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