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