12 Questions
Fish require water to breathe, eat, reproduce, and grow.
True
Pond water contains only dissolved substances with no suspended particles.
False
A pH of 7 in water indicates acidity.
False
Mineral turbidity is caused by high silt and clay content in water.
True
Plankton turbidity is caused by the presence of humus in water.
False
Humic turbidity results from a high concentration of humus in the water.
True
Dissolved oxygen is not essential for most living organisms for their respiration.
False
Secchi disc is a complex tool used to measure turbidity in ponds.
False
Green-colored ponds are particularly suitable for using the Secchi disc to estimate plankton turbidity.
True
The passage of atmospheric oxygen into water happens at a fast rate.
False
Chemical methods for measuring dissolved oxygen involve the use of expensive devices.
False
Calibrating the oxygen meter regularly is not necessary to ensure accuracy.
False
Test your knowledge on the importance of water in supporting the life of fish and the composition of pond water. Learn about dissolved substances, suspended particles, and the pH levels of water in aquatic ecosystems.
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