chapter 1, 2 and 3

Question 1

1. The water property that can neutralize acidic pollution and resist changes in pH is
2. Alkaline
3. pH
4. Conductivity
5. Turbidity

Answer 1

A

Question 2

1. The property of water that is quantitative capacity to react with a strong base to a designated pH is called
2. Acidity
3. Alkaline
4. Metals
5. Solubility

Answer 2

B

Question 3

1. The property of water that is to how well it can neutralize acidic pollution and resist changes in pH is called
2. Acidity
3. Alkaline
4. Metals
5. Solubility

Answer 3

B

Question 4

1. is the amount of oxygen consumed by bacteria in the decomposition of organic material
2. Acidity
3. Alkaline
4. Basics
5. BOD

Answer 4

D

Question 5

1. The water conductivity is increasing if the following an inorganic dissolved solids such as chloride, nitrate, sulfate, phosphate, sodium, magnesium, calcium, iron and aluminum is
2. increasing
3. decreasing
4. constant
5. the water is pure

Answer 5

A

Question 6

1. The presence of organic substances like oil, alcohol, and sugar increases, the conductivity of water will be
2. increasing
3. decreasing
4. constant
5. zero

Answer 6

B

Question 7

1. The concentration of dissolved oxygen in a stream is increasing if
   a. Temperature decreases\
   b. fast moving Flow
   c. the Aquatic Plants are more
   d. in low Altitudes
   e. with low levels of dissolved or suspended solids.

F. all mentioned

Answer 7

F

Question 8

1. The dissolved oxygen may drop significantly during Thus in streams with significant populations of algae and other aquatic plants, the dissolved oxygen concentration may fluctuated daily, reaching its highest levels in the. Because plants, like animals, also take in oxygen, dissolved oxygen levels may drop significantly by.
   
   1. early morning
   2. late afternoon
   3. early night
   4. midday

Answer 8

A

Question 9

1. The DO is decreasing during
   
   1. water release from the bottom of dams
   2. water release from the top of dams
   3. no water release from the dams
   4. all

Answer 9

A

Question 10

1. Carbonates, bicarbonates and hydroxides are considered as
2. Acidic
3. Alkaline
4. Metals
5. BOD

Answer 10

B

Question 11

1. the amount of oxygen consumed by bacteria in the decomposition of organic material is called
2. Conductivity
3. BOD
4. Fecal Coliform
5. Hardness

Answer 11

B

Question 12

1. The content of calcium and magnesium salts is called
2. BOD
3. Alkaline
4. Hardness
5. Metals

Answer 12

C

Question 13

1. The most toxic metal in high concentrations to aquatic organisms is
2. Calsium
3. Lead
4. Magnesium
5. Ammonia

Answer 13

B

Question 14

1. The essential nutrients of Nitrogen compounds for plants is
2. Ammonia
3. Nitrite
4. Nitrate
5. Total Kjeldahl

Answer 14

C

Question 15

1. The type of Nitrogen that is extremely toxic to aquatic life is
2. Ammonia
3. Nitrite
4. Nitrate
5. Total Kjeldahl

Answer 15

B

Question 16

1. The H+ or OH- ion activity may disrupt aquatic organisms biochemical reactions by either harming or killing the stream organisms if the water in a stream is
   a. too acidic
2. too basic
3. nOT ASCIDIC AND NOT BASIC
4. too acidic or basic

Answer 16

D

Question 17

1. Oxygen is dissolved more
2. In cold water
3. In mild water
4. In warm water
5. In hot water

Answer 17

A

Question 18

1. The total land area that drains surface water to a common point is called
2. Lakes
3. Streams
4. Overland flow
5. Watershed

Answer 18

D

Question 19

1. The type of flow that occurs when precipitation percolates just below the land surface is called
2. overland flow
3. runoff flow
4. interflow
5. tributers

Answer 19

C

Question 20

1. Rivers that are characterized by the temporary quick flow as a result of exceptionally heavy downpours or rapid melting of snow are
   
   1. Intermittent
   2. Ephemeral
   3. Permanent
   4. Meanders

Answer 20

B

Question 21

1. The study of the age of the lake is by using the
2. Carbon-14 isotope
3. Tritium isotope
4. Oxygen isotope
5. Hilium-3 isotope

Answer 21

A

Question 22

1. The type of lakes the form in areas of volcanic eruption is called
2. oxbow
3. crater
4. glacial
5. tectonic

Answer 22

B

Question 23

1. The seasonal lake that exists as a body of water during part of the year is called
2. oxbow
3. underground
4. former
5. ephemeral

Answer 23

D

Question 24

1. Thermoclines in lakes are formed the reason of
2. Pressure differences and friction
3. Gravity
4. Temperature and density relationships
5. Pressure and wind currents

Answer 24

C

Question 25

1. The water mix in lake layers occur during
2. Cold season
3. Warm season
4. Late night
5. Early morning

Answer 25

A

Question 26

1. Which are lakes that suffered from having no chance of layer mix?
2. Shallow lakes
3. Cold regions lakes
4. Tropical regions lakes
5. High altitudes lakes

Answer 26

C

Question 27

1. The largest lake in Africa is
2. Baikal
3. Ladoga
4. Victoria
5. Eare

Answer 27

C

Question 28

1. The deepest lake over the earth is
2. Baikal
3. Ladoga
4. Victoria
5. Eare

Answer 28

A

Question 29

1. The matter that has the highest value of specific yield is
2. peat
3. clay
4. silt
5. fine sand

Answer 29

A

Question 30

1. the groundwater age is measured by
2. Drilling
3. Electrical resistance
4. Tritium
5. Wells

Answer 30

C

Question 31

1. The boundary between vadose zone water and groundwater is called
2. water table
3. aquifer
4. aquitard
5. confined

Answer 31

A

Question 32

1. If the water barrier is almost impermeable (e.g., clay) and forms a more or less formidable flow barrier between multiple levels of aquifers, it is called
2. aquiclude
3. aquifer
4. unconfined
5. bedrock

Answer 32

A

Question 33

1. Artesian well occurs where the well drilled in area of
2. Vadose zone
3. Unconfined zone
4. Confined zone
5. Aquifer zone

Answer 33

C

Question 34

1. Where water table intersects with the land surface form
2. Aquifers
3. Groundwater
4. Unsaturated zone
5. Springs

Answer 34

D