A) 250 gallons B) 125 gallons C) 180 gallons D) 75 gallons
A) 90-94°F (32-34°C) B) 82-88°F (28-31°C) C) 76-80°F (24-27°C) D) 68-72°F (20-22°C)
A) 5.0-6.0 B) 8.0-9.0 C) 9.5-10.5 D) 6.5-7.5
A) Freshwater B) Marine reef C) Brackish water D) Saltwater
A) Brightened coloration B) Loss of appetite C) Decreased sensitivity to light D) Increased activity
A) Sponge filter only B) High-powered filtration C) Undergravel filter only D) No filtration needed
A) Any fish will do B) Similar temperament and size C) Small, docile fish D) Aggressive, territorial fish
A) Velvet disease B) Drop eye C) Ich D) Fin rot
A) To maintain water temperature B) For aesthetic purposes only C) To keep other fish out D) They are jumpers
A) Algae wafers only B) Variety of meaty foods C) Flake food only D) Plant-based diet
A) Dechlorinate the new water B) Skip the water change C) Add salt to the new water D) Use tap water directly
A) 5-7 years B) 20-30 years C) 10-15 years D) 1-3 years
A) Very bright lighting B) UVB lighting C) Moderate lighting D) No lighting
A) Maintain good water quality B) Add medication preventatively C) Dim the lights D) Remove all decorations
A) To prevent disease spread B) To acclimate them to the tank C) To observe their behavior D) All of the above
A) Cartilage in the jaw B) Sensory organs C) Bones in the fin D) Scales along the belly
A) Rapid growth B) Increased appetite C) Bloated abdomen D) Brightened colors
A) Soil substrate B) Bare bottom or smooth gravel C) Sand substrate D) Sharp gravel
A) All of the above B) Overfeeding C) Poor water quality D) Introduction of new tankmates
A) Only when the water is cloudy B) Every other day C) Monthly D) Weekly
A) To add beneficial bacteria B) To add color for aesthetic reasons C) To raise pH and increase hardness D) To lower pH and provide antibacterial properties
A) Tiger Barbs B) Redtail Catfish C) Convict Cichlids D) Large Plecos
A) Shrimp B) Earthworms C) Mealworms D) Goldfish (due to disease risk)
A) Pits and lesions on the head B) Swollen belly C) Cloudy eyes D) Fin rot
A) Adding more plants B) Lowering the water level C) Turning off the lights completely D) Varying the feeding location
A) Replacing the water entirely B) Adding decorative items C) Adjusting the water temperature D) Establishing beneficial bacteria
A) Adds oxygen to the water B) Removes organic waste C) Regulates pH levels D) Kills bacteria
A) South America B) Australia C) Southeast Asia D) Africa
A) Avoid sharp or abrasive surfaces B) Use only natural decorations C) Fill the tank with as many decorations as possible D) Choose brightly colored decorations
A) Lowers water temperature B) Adds essential minerals C) Controls algae and pathogens D) Increases pH levels |