Pisciculture is rearing and production of
Fishes
Birds
Reptiles
Wool yielding animals
Additional Questions
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Smooking is used as a technique of |
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Which one is bottom dweller? |
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Norman Borlaug the 'Father of Green Revolution' has developed a highly recognized and appreciated cultivating variety of ______. |
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Which one of the following helps in absorption of phosphorus from soil by plants? |
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A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this? (a) Lots of urea and phosphate fertilizer were used in the crops in the vicinity (b) The area was sprayed with DDT by an aircraft (c) The lake water turned green and stinky (d) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis. Which two of the above were the main causes of fish mortality in the lake? |
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Selection of homozygous plant is |
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Necrosis, or death of tissue particularly leaf tissue, is due to the deficiency of |
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An organism used as biofertilizer for raising soybean crop is |
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Plants having similar genotypes produced by plant breeding are called |
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In tissue culture medium, the embryoids formed from pollen grains is due to |
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