How to Care for Tetras - Exam
  • 1. What is the minimum tank size recommended for a small school of neon tetras?
A) 2.5 gallons
B) 20 gallons
C) 10 gallons
D) 5 gallons
  • 2. What is the ideal water temperature for tetras?
A) 60-65°F
B) 50-55°F
C) 85-90°F
D) 72-78°F
  • 3. What type of water is best for tetras?
A) Sea water
B) Hard, alkaline
C) Soft, slightly acidic
D) Brackish
  • 4. What is the minimum number of tetras that should be kept together?
A) 6
B) 4
C) 2
D) 1
  • 5. What is the common name for a tetra disease causing white spots?
A) Swim Bladder
B) Velvet
C) Fin Rot
D) Ich
  • 6. What type of food do tetras primarily eat?
A) Piscivore
B) Carnivore
C) Herbivore
D) Omnivore
  • 7. How often should you perform a partial water change?
A) Monthly
B) Never
C) Daily
D) Weekly
  • 8. What percentage of water should you change during a partial water change?
A) 100%
B) 50%
C) 75%
D) 25%
  • 9. Which of these is a sign of stress in tetras?
A) Bright coloration
B) Active swimming
C) Healthy appetite
D) Clamped fins
  • 10. Which of these is a good tank mate for tetras?
A) Corydoras
B) Goldfish
C) Piranha
D) Oscar
  • 11. What is the ideal pH range for tetras?
A) 6.0-7.0
B) 7.5-8.5
C) 5.0-5.5
D) 8.0-9.0
  • 12. What type of lighting do tetras prefer?
A) No light
B) Dim
C) Intense
D) Bright
  • 13. Which of these plants is suitable for a tetra tank?
A) Venus Flytrap
B) Seaweed
C) Amazon Sword
D) Cattails
  • 14. What is the purpose of a filter in a tetra tank?
A) To add oxygen
B) To remove waste and toxins
C) To heat the water
D) To entertain the fish
  • 15. How long should you quarantine new tetras before introducing them to your main tank?
A) 2-4 weeks
B) 1 week
C) Immediately
D) 1 day
  • 16. What is the primary cause of ammonia buildup in a fish tank?
A) Fish waste
B) Tap water
C) Plant fertilizer
D) Sunlight
  • 17. Which test kit is crucial for monitoring water quality in a tetra tank?
A) Ammonia, Nitrite, Nitrate
B) Oxygen only
C) Temperature only
D) pH only
  • 18. What does 'cycling' a tank refer to?
A) Establishing beneficial bacteria
B) Adding fish food
C) Changing the water
D) Adjusting the heater
  • 19. Overfeeding tetras can lead to what problem?
A) Increased activity
B) Poor water quality
C) Brighter colors
D) Increased happiness
  • 20. What type of substrate (gravel) is best for a tetra tank?
A) Large rocks
B) Smooth gravel
C) Sharp gravel
D) Crushed coral
  • 21. What is the scientific name for the Neon Tetra?
A) Paracheirodon innesi
B) Carassius auratus
C) Poecilia reticulata
D) Betta splendens
  • 22. What is a symptom of Neon Tetra Disease?
A) Increased activity
B) Loss of coloration
C) Rapid growth
D) Increased appetite
  • 23. How can you prevent algae growth in a tetra tank?
A) Adding more fish
B) Regular water changes and controlled lighting
C) Overfeeding the fish
D) Turning off the filter
  • 24. What does the term 'bio-load' refer to in fish keeping?
A) The amount of waste produced by the fish
B) The temperature of the water
C) The size of the fish
D) The number of plants in the tank
  • 25. What type of filtration is essential for a healthy tetra tank?
A) Mechanical only
B) Chemical only
C) Biological only
D) Biological, Mechanical, and Chemical
  • 26. Which is a good food to supplement a tetra's diet?
A) Human cereal
B) Bread crumbs
C) Brine shrimp
D) Dog food
  • 27. Why is it important to dechlorinate tap water before adding it to a tetra tank?
A) Chlorine makes the water cloudy
B) Chlorine is good for the plants
C) Chlorine is toxic to fish
D) Chlorine lowers the pH
  • 28. What is the lifespan of a neon tetra in captivity?
A) 1-2 years
B) 20-30 years
C) 5-10 years
D) Less than a year
  • 29. What is the purpose of adding tannins (e.g., almond leaves) to a tetra tank?
A) To mimic their natural environment
B) To raise the pH
C) To make the water clearer
D) To provide food
  • 30. What is the best way to acclimate new tetras to a tank?
A) Drip acclimation
B) Pouring them directly into the tank
C) Immediately releasing them into the tank
D) Floating the bag for 5 minutes
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