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