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