Freshwater Biology Of animal MCQs

1. Freshwater biology is the scientific study of: a) Terrestrial animals b) Saltwater organisms c) Freshwater organisms d) Avian organisms 2. Which of the following is not a characteristic of freshwater organisms? a) Adaptation to low salinity b) Ability to breathe underwater c) Dependence on sunlight for photosynthesis d) Adaptation to high oxygen levels 3. What is the term for the zone of freshwater bodies where sunlight penetrates and photosynthesis can occur? a) Profundal zone b) Littoral zone c) Limnetic zone d) Aphotic zone 4. Which of the following is not a major division of freshwater habitats? a) Rivers and streams b) Lakes and ponds c) Oceans and seas d) Wetlands and marshes 5. What is the scientific study of freshwater ecosystems called? a) Freshwater ecology b) Limnology c) Freshwater chemistry d) Freshwater physics 6. Which of the following is not a type of freshwater organism? a) Fish b) Mollusks c) Echinoderms d) Amphibians 7. What is the primary source of energy for most freshwater ecosystems? a) Sunlight b) Thermal vents c) Chemical energy d) Hydrothermal energy 8. Which of the following is not a major type of freshwater biome? a) Rivers and streams b) Lakes and ponds c) Coral reefs d) Wetlands and marshes 9. What is the term for the process by which freshwater organisms convert sunlight into chemical energy? a) Photosynthesis b) Chemosynthesis c) Autotrophy d) Heterotrophy 10. Which of the following is not a characteristic of freshwater algae? a) Photosynthesis b) Cellulose cell walls c) Chlorophyll pigments d) Heterotrophic nutrition 11. What is the primary role of phytoplankton in freshwater ecosystems? a) Predation b) Herbivory c) Decomposition d) Parasitism 12. Which of the following is not a major group of freshwater invertebrates? a) Mollusks b) Arthropods c) Chordates d) Annelids 13. What is the term for the process by which freshwater organisms take in dissolved oxygen from water? a) Respiration b) Osmoregulation c) Osmosis d) Diffusion 14. Which of the following is not a function of freshwater ecosystems? a) Carbon sequestration b) Oxygen production c) Nitrogen fixation d) Ozone depletion 15. What is the term for the area where a river meets the ocean? a) Estuary b) Headwater c) Confluence d) Delta 16. Which of the following is not a characteristic of freshwater fishes? a) Possession of gills b) Ectothermic c) Live birth d) Possession of scales 17. What is the term for the study of freshwater animal behavior? a) Ethology b) Freshwater physiology c) Freshwater ecology d) Freshwater zoology 18. Which of the following is not a major group of freshwater vertebrates? a) Fish b) Reptiles c) Amphibians d) Birds 19. What is the primary role of zooplankton in freshwater ecosystems? a) Predation b) Herbivory c) Decomposition d) Parasitism 20. Which of the following is not a major type of freshwater pollution? a) Industrial waste b) Agricultural runoff c) Noise pollution d) Thermal pollution 21. What is the term for the process by which freshwater organisms excrete waste into the water? a) Excretion b) Osmoregulation c) Diffusion d) Filtration 22. Which of the following is not a major group of freshwater invertebrates? a) Mollusks b) Arthropods c) Chordates d) Annelids 23. What is the primary role of phytoplankton in freshwater ecosystems? a) Predation b) Herbivory c) Decomposition d) Parasitism 24. Which of the following is not a function of freshwater ecosystems? a) Carbon sequestration b) Oxygen production c) Nitrogen fixation d) Ozone depletion 25. What is the term for the area where a river meets the ocean? a) Estuary b) Headwater c) Confluence d) Delta 26. Which of the following is not a characteristic of freshwater fishes? a) Possession of gills b) Ectothermic c) Live birth d) Possession of scales 27. What is the term for the study of freshwater animal behavior? a) Ethology b) Freshwater physiology c) Freshwater ecology d) Freshwater zoology 28. Which of the following is not a major group of freshwater vertebrates? a) Fish b) Reptiles c) Amphibians d) Birds 29. What is the primary role of zooplankton in freshwater ecosystems? a) Predation b) Herbivory c) Decomposition d) Parasitism 30. Which of the following is not a major type of freshwater pollution? a) Industrial waste b) Agricultural runoff c) Noise pollution d) Thermal pollution 31. What is the term for the process by which freshwater organisms excrete waste into the water? a) Excretion b) Osmoregulation c) Diffusion d) Filtration 32. Which of the following is not a major group of freshwater invertebrates? a) Mollusks b) Arthropods c) Chordates d) Annelids 33. What is the primary role of phytoplankton in freshwater ecosystems? a) Predation b) Herbivory c) Decomposition d) Parasitism 34. Which of the following is not a function of freshwater ecosystems? a) Carbon sequestration b) Oxygen production c) Nitrogen fixation d) Ozone depletion 35. What is the term for the area where a river meets the ocean? a) Estuary b) Headwater c) Confluence d) Delta 36. Which of the following is not a characteristic of freshwater fishes? a) Possession of gills b) Ectothermic c) Live birth d) Possession of scales 37. What is the term for the study of freshwater animal behavior? a) Ethology b) Freshwater physiology c) Freshwater ecology d) Freshwater zoology 38. Which of the following is not a major group of freshwater vertebrates? a) Fish b) Reptiles c) Amphibians d) Birds 39. What is the primary role of zooplankton in freshwater ecosystems? a) Predation b) Herbivory c) Decomposition d) Parasitism 40. Which of the following is not a major type of freshwater pollution? a) Industrial waste b) Agricultural runoff c) Noise pollution d) Thermal pollution

Freshwater Biology Of animal MCQs

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