 |
1 | |
The limnological term for the annual mixing pattern of a shallow cow pond in a temperate climate: |
|
| | A) | Amictic |
| | B) | Clinograde |
| | C) | Dimictic |
| | D) | Heterograde |
| | E) | Polymictic |
|
2 | |
The annual mixing pattern of most a deep lakes in a temperate climate (for lakes that mix completely at least once) is: |
|
| | A) | Meromictic |
| | B) | Clinograde |
| | C) | Dimictic |
| | D) | Amictic |
| | E) | Polymictic |
|
3 | |
An oxygen profile pattern that probably is observed in deep temperate lakes only during isothermal lake conditions: |
|
| | A) | Orthograde |
| | B) | Clinograde |
| | C) | Dimictic |
| | D) | Heterograde |
| | E) | Amictic |
|
4 | |
An oxygen profile pattern that is characteristic of deep temperate lakes with a hypolimnetic algal plate: |
|
| | A) | Orthograde |
| | B) | Clinograde |
| | C) | Dimictic |
| | D) | Heterograde |
| | E) | Polymictic |
|
5 | |
Water with a high concentration of calcium and magnesium ions is called: |
|
| | A) | Alkaline water |
| | B) | Hard water |
| | C) | Saline water |
| | D) | Ice |
| | E) | Viscous liquid water |
|
6 | |
A fluid, less dense but more viscous than liquid water: |
|
| | A) | Alkaline water |
| | B) | Saline water |
| | C) | Steam |
| | D) | Ice |
| | E) | Viscous liquid water |
|
7 | |
Water with a high concentration of carbonate ions, associated with a high pH, is called: |
|
| | A) | Alkaline water |
| | B) | Hard water |
| | C) | Saline water |
| | D) | Pure Water (with no dissolved gasses). |
| | E) | Viscous liquid water |
|
8 | |
A high concentration of total dissolved solids, mostly dissolved ions, produces: |
|
| | A) | Alkaline water |
| | B) | Hard water |
| | C) | Saline water |
| | D) | What is commonly considered to be solid water |
| | E) | Viscous liquid water |
|
9 | |
Which phenomenon occurs most strongly at scales of about a millimeter or less? |
|
| | A) | Alkaline water |
| | B) | Hard water |
| | C) | Saline water |
| | D) | Ice |
| | E) | Viscous liquid water |
|
10 | |
The ability of a water solution to absorb hydrogen ions is called its: |
|
| | A) | Alkalinity |
| | B) | Conductivity |
| | C) | Density |
| | D) | Fetch |
| | E) | Gravity |
|
11 | |
What is the best estimate of the Reynolds Number for a planktonic animal 1mm long, sinking at 2 mm per second? |
|
| | A) | 0.02 |
| | B) | 0.2 |
| | C) | 2.0 |
| | D) | 200.0 |
| | E) | 20,000.0 |
|
12 | |
Which is most true about a sinking planktonic animal if it is 1 mm long and sinking at 2 mm per second? |
|
| | A) | The sinking animal causes a lot of turbulence as it sinks. |
| | B) | High frequency noise is generated, due to the high Re value. |
| | C) | Viscous force is more than one hundred times as important as inertial force. |
| | D) | Inertial force is probably less than 5 times as important as viscous force. |
| | E) | The animal is affected by viscosity, but not inertia, as it falls. |
|
13 | |
If you mix equal volumes of two solutions, pH 3.0 and pure water, the pH of the mixture will closest to what value? |
|
| | A) | 3.0 |
| | B) | 3.3 |
| | C) | 4.0 |
| | D) | 5.0 |
| | E) | 5.3 |
|
14 | |
A river current moving in a circular pattern with a diameter of 10 m: |
|
| | A) | Eddy |
| | B) | Seiche |
| | C) | Waterfall |
| | D) | Lunar tide |
| | E) | Breaking wave |
|
15 | |
Has an amplitude of about 2 cm or less in lakes: |
|
| | A) | Eddy |
| | B) | Seiche |
| | C) | Waterfall |
| | D) | Lunar tide |
| | E) | Breaking wave |
2005 McGraw-Hill Higher Education