IES Multiple Choice

An environmental activist planted trees along a roadside at intervals of 0.75 meters. If there are 120 trees in total, what is the total length (in meters) of the roadside covered with trees?

A. 88.5 m

B. 89.25 m

C. 90 m

D. 91.25 m

B. 89.25

Expressing the thickness of human hair, which is about 0.00008 meters, in scientific notation results in:

A. 80×10^-7 

B. 0.008×10^-2 m

C. 8×10⁴ m

D. 8×10^-5 m

D. 8×10^-5 m

When creating a scatterplot to display the relationship between deforestation rates and wildlife habitat loss, which variable should be on the vertical axis?

A. Deforestation Rates

B. Wildlife Habitat Loss

C. Temperature 

D. It doesn’t matter; either variable can be on the y-axis

B. Wildlife habitat loss

In a graph showing the relationship between the number of hours of sunlight and plant growth, what type of graph would be most suitable?

A. Scatterplot

B. Pie Graph

C. Bar Graph

D. Any of these would work

A. Scatterplot

Why should scientists strive for both accuracy and precision in their experiments?

A. To confuse the results

B. To ensure reliability and consistency

C. To make data interpretation easier

D. To introduce personal biases

B. To ensure reliability and consistency

A line graph is most appropriate for which of the following scenarios?

A. Analyzing data distribution

B. Displaying parts of a whole

C. Comparing different categories

D. Showing trends over time

D. Showing trends over time

When conducting an experiment, what do you do after analyzing your data?

A. Develop a hypothesis

B. Draw conclusions

C. Make an observation

D. Ask a question

B. Draw conclusions

Five kayaks placed end-to-end measure 50 feet long. How long are they in meters? (3.3 ft = 1 m)

A. 1515 m

B. 151.5 m

C. 15.15 m

D. 5.15 m

C. 15.15 m

If a tennis court is 23.77 m long, how many feet long is it? (3.3 ft = 1 m)

A. 78.4 ft

B. 777.9 ft

C. 78.1 ft

D. 77.9 ft

A. 78.4 ft

How should a hypothesis be formulated in the scientific method?

A. Clear, specific, and testable

B. Undefined and abstract

C. Vauge and open to interpretation

D. Based on personal opinions

A. Clear, specific, and testable

How should the graphing space be utilized in a graph?

A. Take up most of the graphing space

B. Leave ample margins

C. Use as little space as possible

D. A small graph in the corner of the graphing space

A. Take up most of the graphing space

Why is it critical to analyze data after an experiment?

A. To determine what went wrong

B. To make the experiment look complete

C. To fill out the lab report

D. To understand the implications of the results

D. To understand the implications of the results

The process of testing a hypothesis by collecting and analyzing data is also know as:

A. The scientific method

B. Deduction

C. Falsifibility

D. Inference

A. The scientific method

In a certain region, the annual rainfall is recorded at 98.6 inches. How shouldthis value be correctly expressed in scientific notation?

A. 9.86×10⁴ in

B. 9.86×10³ in

C. 9.86×10¹ in

D. 9.86×10² in

C. 9.86×10¹ in

The grades of a student in six subjects were 80, 85, 90, 92, 95, and 100. What is the average grade?

A. 91

B. 92

C. 90.3

D. 93

C. 90.3

In an experiment, the factor that is measured or observed as a result of changes in the independent variable is the:

A. Control variable

B. Independent variable

C. False variable

D. Dependent variable

D. Dependent variable

The mass of the Earth is approximately 5.972×10²⁴ kilograms. What is this mass in standard notation?

A. 597,200,000,000,000,000 kg

B. 5,972,000,000,000,000,000,000 kg

C. 5,972,000,000,000,000,000,000,000 kg

D. 59,720,000,000,000,000,000 kg

C. 5,972,000,000,000,000,000,000,000 kg

If a playing field is 25 meters long, how many kilometers long is it?

A. 0.25 m

B. 0.025 m

C. 2.5 m

D. 250 m

B. 0.025 m

An environmental study found that 40% of the waste generated in a city is biodegradable. If the city produces 8,000 tons of waste annually, how many tons of waste are not biodegrable?

A. 3200 tons

B. 3600 tons

C. 4800 tons

D. 4400 tons

C. 4800 tons

A baker has enough eggs to prepare 482.9 cupcakes for an event. How many cupcakes can they bake?

A. 482

B. 482.5

C. 483.5

D. 483

A. 482

If a light bulb consumes 100 watts of power in an hour, how many kilowatt-hours does in consume in 24 hours?

A. 2.8 kW

B. 3.0 kW

C. 2.6 kW

D. 2.4 kW

D. 2.4 kW

A researcher recorded the temperature of water samples in degrees Celsius over five days: 24, 22, 24, 26, and 24. What is the average water temperature?

A. 24.8

B. 24

C. 24.4

D. 25.2

B. 24

A person competes in an Oreo-eating contest and consumes 45 Oreos, weighing a toatal of 500 grams. How many milligrams of Oreos did they eat?

A. 50

B. 5000

C. 0.5

D. 500,000

D. 500,000

A teacher needs to allocate 247.3 minutes for a class lab. How many minutes should the lab last?

A. 247

B. 245

C. 248

D. 240

C. 248

The statement “If the amount of sunlight increases, then plant growth will also increse” represents a:

A. Hypothesis

B. Conclusion

C. Fact

D. Observation

A. Hypothesis

What type of data is best represented by a bar graph?

A. Proportional data

B. Continuous numerical data

C. Categorical data

D. Time-series data

C. Categorical data

An environmental project calculates that it need 6.6 acers of land for reforestation. To ensure a more substantial habitat, how many acres should they allocate for this project?

A. 6 acres

B. 6.6 acres

C. 7 acres

D. 5 acres

C. 7 acres

In a scatterplot representing the population growth of different species over time, what should be the label for the vertical axis?

A. Population size

B. Temperature

C. Time

D. Species names

A. Population size

Environmental regulations require a noise level of 55.9 decibles in a protected area. What should be the maximum allowable noise level to ensure compliance?

A. 55 dB

B. 56.5 dB

C. 56 dB

D. 55.9 dB

C. 56 dB

What does the x-axis typically represent in a graph?

A. The control variable

B. The response variable

C. The dependent variable

D. The independent variable

D. The independent variable

When assessing the quality of environmental data, what is the primary advantage of “quantitative data” over “qualitative data?”

A. Qualitative data is less objective and more prone to researcher bias.

B. Quantitative data allows for more straightforward interpretation and statistical analysis.

C. Qualitative data is easier to collect in natural settings.

D. Quantitative data requires fewer participants in an experiment

B. Quantitative data allows for more straightforward interpretation and statistical analysis.

If the average ocean depth is approximately 3,688 meters, how can this be correctly represented in scientific notation?

A. 3.688×10³ m

B. 3.688×10⁴ m

C. 3.688×10⁵ m

D. 3.688×10² m

A. 3.688×10³ m

A wildlife reserve had 200 bird species, and due to conservation efforts, it now supports 240 species. What is the percentage increase in bird species diversity?

A. 20%

B. 30%

C. 15%

D. 25%

A. 20%

A construction project requires 431.1 meters of cable to complete. How many meters of cable should they order?

A. 431 m

B. 431.5 m

C. 430 m

D. 432 m

D. 432 m

In scientific notation, what is the appropriate form for representing the speed of light, which is approximately 299,792,458 meters per second?

A. 299.792458×10⁷

B. 2.99792458×10⁸

C. 29.9792458×10⁶

D. 2.99792458×10⁹

B. 2.99792458×10⁸

An environmental organization conducted a survey and found that 25% of households in a neighborhood compost their kitchen waste. If there are 500 households in the neighborhood, how many households compost their kitchen waste?

A. 250

B. 400

C. 375

D. 125

D. 125

If an AP Environmental Science textbook weighs 3 kg, how many grams doesit weigh?

A. 0.3 g

B. 30 g

C. 300 g

D. 3000 g

D. 3000 g

Which type of graph is most suitable for displaying parts of a whole?

A. Scatterplot

B. Pie chart

C. Bar graph

D. Line graph

B. Pie chart

Express 12,500,000,000 in scientific notation.

A. 1.25×10¹¹

B. 1.25×10¹⁰

C. 1.25×10⁹

D. 1.25×10⁸

B. 1.25×10¹⁰

Scientists estimate that they will need to monitor a population of lemurs for at least 12.67 months to get accurate data on the population. How long should they plant to monior the population?

A. 12 months

B.1 year

C. 13 months

D. 12.5 months

C. 13 months