Lake Quiz

From what country do Asian Carp originate?

What other aquatic animal is the Sea Lamprey said to resemble?

Select the option that best completes the sentence. Zebra Mussels, though they filter water, may:

What is one good step to take when trying to prevent the spread of aquatic invasive species?

Which Great Lake was the spiny water flea first found in?

How is Dotted Duckweed different than Common Duckweed?

What is the cloning process that New Zealand Mudsnails use to reproduce?

Why is Hairy Willow-Herb a threat to native species?

Which of the following is not a marker of the Eurasian Ruffe?

How does the Rusty Crayfish, a freshwater crustacean, grow to its maximum length of four inches?

What is the main difference between tails of Muskellunge and Northern Pike?

Saugeye are a hybrid of which two fish?

What is Ohio’s state record for largest Walleye ever caught?

A study from the U.S. EPA has shown that White Suckers grow best in what type of light?

True or false: Rainbow Trout hatch and live their whole lives in freshwater.

Why have Largemouth Bass been stocked in many parts of the world?

Beginning with their northerly range that extends to Canada, how far south can the Longnose Dace be found in North America?

Which type of Crappie is more tolerant of turbid waters?

In which Great Lake has research into Yellow Perch declines increased?

Which type of fish does not tend to prey on juvenile White Suckers?

What is the definition of a sensor?

Is it more common to measure just one parameter of a water body or multiple parameters?

What does a biological sensor measure compared to an aquatic sensor?

Chlorophyll measurements provide critical information on:

How do sensors typically measure Chlorophyll in water?

What is one common technology that fishfinders use to locate fish?

Several important chemical parameters that are commonly measured include:

What do meteorological sensors help scientists understand?

What lake characteristic does wind help to regulate?

Many parameters rely on this for accurate readings:

What lake erupted in August 1986 and contributed to the death of more than 1,000 people?

What is the largest lake in the world by surface area, if Lakes Michigan and Huron are considered two separate lakes?

The second tallest mountain in South America also boasts:

What is the deepest lake in the United States?

How was Lake Karachay, said to be one of the dirtiest spots on Earth, polluted beginning in 1951?

Renowned for its red color and white islands, Laguna Colorada is a shallow saltwater lake in:

The Plitvice Lakes in Croatia are a series of lakes connected by:

Travertine lakes are very rare.

Lake Victoria has more than 500 species of cichlids in its waters. What are cichlids?

Lake Chad in North Africa has had its waters diverted for human use in recent times and has started to:

Which is an example of a governing body that sets water quality standards?

What is an example of an important service that freshwater resources often provide for society?

Lakes often contain high pollution levels relative to their surrounding landscapes and environment because:

Contaminants that enter a water body that can be traced back to a specific source, location and offender.

Contaminants that enter a water body that cannot be traced back to a specific source, location and offender.

Examples of point source pollution include:

Examples of non-point source pollution include:

Acid rain can:

What level of cyanobacteria cells does the World Health Organization say is a moderate risk to human health?

Although many definitions of “eutrophication” exist, it is generally defined as:

Many saline lakes are formed when:

The grinding weight and pressure of encroaching and retreating ice sheets carved many depressions in the Earth’s surface.

After glacial scour has formed circular depressions, the type of impression left is called a:

Periglacial lakes form when ice shapes a PART or ALL of a lake’s margins?

Lakes formed from tectonic movement typically form at:

A Graben lake is formed when:

A Maar lake is created when ejected magma leaves behind a fissure that retains water.

Riverine movements can lead to new lake formation. One type of lake borne from these actions is:

Select from below the best examples of man-made lakes. You may select more than one.

Which type of bedrock is partial to erosion by even slightly acidic water?

What is a seiche?

Which identifies the top layer of a lake, as broken down into thermal strata?

Water levels can be affected by:

What lake stratum is commonly known as the thermocline?

A lake’s thermal strata stay consistent throughout the day and do not ever change depth.

When is a lake’s turnover most likely to occur?

The more jagged and indented the shoreline, the more:

Which area of a lake comprises the littoral zone?

Which area of a lake comprises the pelagic zone?

What dominates photosynthesis and primary production in the pelagic zone?

Gases that trap heat in the atmosphere are known as:

Natural sources of greenhouse gases include lakes and other freshwaters such as rivers, streams, ponds and wetlands.

On a per-area basis, lakes bury how many times more carbon than the world’s oceans?

On the whole, are lakes net sinks or sources of carbon dioxide?

Where is most methane emitted by lakes produced?

What is the most important predictor of whether or not a lake will be a net source or sink of nitrous oxide?

Early ice measurements, which can be used as an indicator of climatic changes, were often made for:

Since water has a high specific heat capacity, it takes much more heating or cooling to alter its temperature. How much higher is its specific heat capacity than air?

It is very rare for a lake to freeze solid from top to bottom. Which lake would be most likely to do so?

Hydro-electric dams can be large sources of carbon dioxide and methane because:

Scientists have studied the potency of weather changes in driving Great Lakes algal blooms. What is most potent of those listed below, according to a 2014 study from researchers at Ohio State University?

Climate change could influence the prevalence of algal blooms in lakes by:

Cyanobacterial blooms have been found to reduce zooplankton diversity in lakes.

What algae sensor can measure Chlorophyll-a and blue-green algae at the same time?

Which of the Great Lakes is most susceptible to algal blooms and why?

Tanzania’s Lake Natron is home to a salt-loving type of algae that give its water a green pigment.

A key contributor to algal blooms in U.S. waterways is:

In addition to phosphorus runoff from farming activities, scientists also look at what in forecasting algal blooms:

Tributaries burdened with runoff from agricultural activities often send algae-feeding nutrients to lakes downstream.

What is an experimental device or method that could be used to reduce algae in lakes?

Lake sediments have proven useful to scientists working to predict the future likelihood of earthquakes. How is this possible?

Deforestation, or cutting down trees en masse, can create new wetlands and eventually new lakes.

What is a challenge associated with modeling outburst floods from moraine-dammed glacial lakes?

What has proven to be a useful control method for the invasive plant European frogbit?

By comparing data sets collected by professional scientists and citizen scientists, researchers have found that:

Scientists have discovered extremophiles living in Antarctica’s Lake Vostok by analyzing:

Which tributary provides the most phosphorus to Lake Ontario each year, as reported by scientists at the State University of New York?

Which method(s) appear(s) to be the best for assessing organisms in ship ballast water, according to researchers at the University of Minnesota?

One conclusion of a panel of Great Lakes researchers studying the presence of round gobies in the region was that:

In two Northern Kentucky lakes, scientists comparing two lakes found that: