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