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