Every 3 months
Every 6 months
Monthly
Once a year

2. Which of the following represents neutral pH?

pH 7
pH 3
pH 0
pH 5

3. Which of these fish is NOT a livebearer?

Guppy
Tetra
Molly
Platy

4. Which of the following makes water safer for humans to drink but is harmful to fish?

Nitrate
Chlorine
Iron
Phosphate

5. Cardinal, Glowlight and Serpae are all species of:

barbs
catfish
cichlids
tetras

6. Which of the following is/are catfish?

Pseudotropheus
Barbus
Corydoras
All of the above

7. Which of the following is a sensible feeding plan for most fish?

Once a week
Whenever fish look hungry
Twice a day
5-6 times a day

8. Which of these should be considered an essential additive when using raw tapwater?

Dechlorinator
Stress coat
Plant fertilizer
Buffer salts

9. Which of the following is/are considered good practice when buying new fish?

Checking the requirements of the fish
Observing carefully before buying
Use of a quarantine tank
All of the above

10. Which of the following is the first to spike during the cycling period?

Ammonia
Phosphate
Nitrate
Nitrite