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