Watershed Test 2 Practice questions

HACH DR900 Colorimeter measures dissolved Oxygen and Conductivity and YSI Pro-DDS Multimeter measures Turbidity, Iron and Nitrates.

True or False

False

Soil composition in Belize:

Calcium Carbonate - Sedimentory rock - Sibun River, Sittee River, Manatee River and Monkey

River

Igneous rock - Rio Hondo river, New River

True or False ?

False

The national water company of Belize has chosen you to lead the 2023 national water quality assessment using macroinvertebrates as bioindicators in major tributaries in the headwaters section of three major watersheds. The company has instructed to use the BMWP water index of Costa Rica to determine the water quality of these tributaries. In the first major watershed, the average BMWP score for three headwater tributaries was 54. What will be the quality of water of these tributaries interpretated with the BMWP water index of Costa Rica?

a. Orange color and bad water quality, polluted

b. Yellow color and bad water quality. polluted

c. Yellow color and good water quality, moderate polluted

d. Green color and good water quality, moderate polluted

Yellow color and bad water quality. polluted

The following are major watershed impacts in Belize, except:

a. Flooding

b. Agriculture

c. None of these

d. Erosion

None of These

How much Hydrological Regions are in Belize?

4

Based from the Netflix documentary - Explained! World's Water Crisis - Earth is the Blue Planet, comprised with ______ million trillion gallons of water. Around _____ of the World's population lives less than 10 kilometers from a freshwater source.

a. 326 and 90%

b. 362 and 30%

c. 362 and 50%

d. 326 and 70%

326 and 90%

A watershed is divided into separate sub-watersheds to provide a

complete record (modelling) of the water quantity in a watershed

as a result of precipitation.

Hydrological Response Units

Watershed systems display successional morphological and

energetic changes from upstream to downstream that results in

successive changes in the composition of associated communities.

Longitudinal Gradients

Number of individuals of each taxa collected relative to total

number of organisms collected (expressed as a percentage)

Relative Abundance

A standardized method or list of methods that have been revised

and adapted to assess which consist of material and equipment.

Protocol

It is a system used to identify watersheds which was developed by

the USA.

Hydrological Unit Codes

Erosion, a problem associated with watershed can be grouped in the following?

a. Socio-economic problem

b. Final effects of watershed degradation

c. Physical problem

d. Resource problem

Final effects of watershed degradation and Physical problem

Based from the Netflix documentary - Explained! World's Water Crisis - Earth is the Blue Planet, comprised with ______ million trillion gallons of water. Around _____ of the World's population lives less than 10 kilometers from a freshwater source.

a. 326 and 90%

b. 362 and 30%

c. 362 and 50%

d. 326 and 70%

326 and 90%

The following are incorrect, except?

a. Gomphidae - Shrimp

b. Perlidae - Stoneflies

c. Psphenidae - beetle

d. Trichoptera - Mayflies

Perlidae - Stoneflies

What type of sample is the picture showing below?

a. Hand Sample

b. Grab Sample

c. Depth-integrated Sample

d. Composite Sample

Grab Sample

Which type of watershed would the Billy Barquedier National Park be if it is 1, 500 acres in size?

a. Sub-watershed

b. Micro-watershed

c. Milli-watershed

d. Macro-watershed

Micro-watershed

_____________________ is the building blocks with

which to create predictive models of the system for

application in evaluating the impacts of proposed

management actions.

watershed inventory

These protocols measure water quality parameters and

survey macro-invertebrate community structure, fish

assemblages and diatom populations.

rapid biological assessments

____________________ is a process which promotes the

coordinated development and management of water,

land and related resources, in order to maximize the

resultant economic and social welfare in an equitable

manner without compromising the sustainability of vital

ecosystems

integrated water resource management

__________ is affected by a range of factors, including

particle size distribution (texture), degree of

compaction, and chemical composition, especially salt

concentration.

soil permeability

Is the mechanism by which plants receive water &

dissolved nutrients & by which groundwater supplies

are maintained and replenished.

infiltration rate

Using the Biological Monitoring Working Party Score Index table below, what would be the water quality of a site if the following samples were sampled and identified: 4 individuals of Perlidae, 5 individuals of Ephemeridae, 2 individuals of Gomphidae, 3 individuals of Nemouridae, 1 individual of Leptoceridae, 2 individuals of Neritidae, 3 individuals of Oligochaeta and 1 individual of Astacidae.

a. Good water quality

b. Bad water quality, polluted

c. Excellent water quality

d. Regular water quality

Regular water quality

Which of the following were the examples of Forever Chemicals mentioned in the Vox documentary?

a. PFAS and Chemour

b. C8 and GENX

c. C8 and DuPont

d. None of theses

C8 and GENX

Water quality is affected by chemistry, physical and biological properties and processes. True or False?

True

Safety of personnel and documentation are the most important on a water quality assessment. True or False?

True

What does B.M.W.P.S stand for?

a. Biological Monitoring Working Party Score

b. Biological Monitoring Working Parting Score

c. Biological Monitoring Worthy Party Score

d. Biological Mounting Working Party Score

Biological Monitoring Working Party Score

Taxa Richness is the total number of Ephemeroptera, Plecoptera and Trichoptera taxa collected at each site (calculated for cascade and riffle habitats only). True or False ?

False

is an act, process, or technique of selecting an appropriate sample.

sampling

is a small portion, piece, or segment selected as a sample.

sample

The filling of the sample container without pre-rinsing with sample water is for

chemical analysis

is the most common technique in obtaining a good representation.

grab sample

Eutrophication in rivers is caused by non-point source pollution.

True or False?

False