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