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