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BIO-2023-CG3-143
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ZOO · BIO-2023-CG3-143
प्राणि विज्ञान (Zoology)
खंड B
Which one of the following statements is NOT correct?
A
The amount of some toxic substances of industrial waste water increases in the organisms at successive trophic levels
B
The micro-organisms involved in biodegradation of organic matter in a sewage polluted water body consume a lot of oxygen causing the death of aquatic organisms
C
Algal blooms caused by excess of organic matter in water improve water quality and promote fisheries
D
Water hyacinth grows abundantly in eutrophic water bodies and leads to an imbalance in the ecosystem dynamics of the water body
उत्तर जाँचें
पुनः प्रयास करें
यह PYQ प्रश्न देखने के लिए साइन इन करें
देखने के लिए लॉग इन करें
