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Aquatic Ecology MCQs

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1. : Aquatic ecology is the study of:





2. : Which of the following is a lentic ecosystem?





3. : A flowing water ecosystem is termed as:





4. : Estuaries are important because they:





5. : The profundal zone of a lake is characterized by:





6. : Phytoplankton are:





7. : Zooplankton are primarily:





8. : Which gas is most important for aquatic life survival?





9. : The eutrophication of lakes is caused by:





10. : Which zone of a lake has maximum biodiversity?





11. : In oceans, the region that receives sunlight is called:





12. : Coral reefs are mainly formed by:





13. : Which of the following is a benthic organism?





14. : Mangroves are found in:





15. : Thermal stratification in lakes leads to:





16. : The open-water zone in a freshwater lake is called:





17. : Which of the following is a primary producer in aquatic ecosystems?





18. : Ocean upwelling is important because it:





19. : The main limiting factor for productivity in deep lakes is:





20. : Which type of lake is formed due to glacial activity?





21. : The maximum dissolved oxygen is found in:





22. : Nekton refers to:





23. : Dead zones in aquatic ecosystems are mainly caused by:





24. : Which of the following is a freshwater wetland type?





25. : Primary productivity in oceans is mostly due to:





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