Agents of Disease
Periodic Table
Biotechnology
Cycling of mater and energy
Earths History Through Geology
Random
Random
100
Which best contrasts a bacterium and a virus?
A. A bacterium can reproduce, whereas a virus will not reproduce.
B. A bacterium does not live in living things, whereas a virus does.
C. A bacterium is a one-celled living organism, whereas a virus is a non-living organism.
D. A bacterium is only prevented by antibiotics, whereas a virus cannot be prevented
What is C. A bacterium is a one-celled living organism, whereas a virus is a non-living organism.
100
Which statement about the periodic table is true?
A Elements in the same column share similar properties.
B Elements in the same row share similar properties.
C Elements on the left have a larger nucleus than elements on the right.
D Elements at the top of each column have the highest atomic mass in that column
What is A Elements in the same column share similar properties.
100
Which of these careers would a student studying biotechnology most likely pursue?
A. electrical engineering
B. astronomy
C. agricultural research
D. geology
What is C. agricultural research
100
What happens to most of the energy as it moves throughout a food web?
A. It is changed into light energy.
B. It is changed into heat energy.
C. It is changed into mass.
D. It is changed into decomposers.
What is B. It is changed into heat energy.
100
The fossils of reptiles Lystrosaurus and Cynognathus were found on the continents of Asia, Africa, Antarctica, and South America. What does the presence of these fossils suggest about the evolution of Earth?
A. The continents were once joined together.
B. The reptiles evolved on each continent at the same time.
C. The reptiles adapted to climate gradually and spread their habitats.
D. The continents were once surrounded by a shallow sea.
What is A. The continents were once joined together.
100
Which process occurs in the ocean and contributes large amounts of oxygen to the atmosphere?
A. digestion by fish
B. decomposition by bacteria
C. respiration by zooplankton
D. photosynthesis by phytoplankton
What is D. photosynthesis by phytoplankton
100
Why is it NOT a safe practice to place a fuel depot over an aquifer?
A. Aquifers are too high up in the mountains.
B. The weight of the depot is too great over the aquifer.
C. The fumes escaping from the fuel depot are explosive.
D. If the fuel leaks, the water in the aquifer will become contaminated
What is D. If the fuel leaks, the water in the aquifer will become contaminated
200
Why do doctors suggest that people get a flu vaccine each year?
A. Viruses replicate more rapidly over time.
B. Viruses can mutate from year to year.
C. Vaccines are absorbed by the body after a year.
D. Vaccines get stronger over time.
What is B. Viruses can mutate from year to year.
200
An atom of a particular element has 15 protons, 16 neutrons, and 15 electrons. What other atom would correspond to the same element on the periodic table
A. 13 protons, 18 neutrons, 15 electrons
B. 15 protons, 17 neutrons, 18 electrons
C. 16 protons, 15 neutrons, 15 electrons
D. 17 protons, 16 neutrons, 17 electrons
What is B. 15 protons, 17 neutrons, 18 electrons
200
The science of biotechnology uses living organisms to solve problems. Bioremediation is a specific technique in biotechnology that uses living organisms to neutralize toxins from contaminated sites. How does bioremediation improve the quality of life for humans?
A. By conserving nonrenewable resources
B. By allowing medicine to be made in larger quantities
C. By removing pollution from water and soil
D. By allowing law enforcement to identify criminals
What is C. By removing pollution from water and soil
200
Which best describes the role of water in photosynthesis?
A. Water is a product of photosynthesis, along with oxygen.
B. Water is a reactant of photosynthesis, along with oxygen.
C. Water is a product of photosynthesis, along with carbon dioxide.
D. Water is a reactant of photosynthesis, along with carbon dioxide
What is D. Water is a reactant of photosynthesis, along with carbon dioxide
200
At a dip-slip fault, pieces of land along the fault change position vertically when compared to one another. With this information, a student concludes that Earth’s crust was uplifted years ago due to tectonic movements. If fossils provide evidence for Earth’s history, which evidence would help the student justify this conclusion?
A. fossils of marine animals found in ocean beds
B. fossils of marine animals found in the mountains
C. fossils of land animals found in deep oceanic trenches
D. fossils of land animals found in recent igneous intrusions
What is B. fossils of marine animals found in the mountains
200
a student records human activities that reduce the use of nonrenewable energy resources in a table.
Which human activity(ies) reduce(s) the reliance on nonrenewable energy resources?
A activity 3 only
B activity 4 only
C activities 1 and 3
D activities 2 and 4
What is A. activity 3 only
200
The diagram shows the exchange of gases between organisms.
Which gas is released by plants during photosynthesis and used by animals for respiration?
A carbon dioxide
B carbon monoxide
C nitrogen
D oxygen
What is D. Oxygen
300
The table lists some characteristics of the disease, measles. Which method would best control and prevent the spread of the disease?
It is caused by a non-living particle made up of RNA
It is transmitted by person to person contact
It results in high fever, runny nose, and rashed on the skin
A. antibiotics
B. sterilizing lotion
C. topical ointment
D. vaccination
What is D. Vaccinations
300
What physical property is characteristic of all of the elements in the group located in the rightmost column of the periodic table?
A. very high melting point
B. gas state at room temperature
C. good conductor of electric current
D. extremely brittle solid at room temperature
What is B. gas state at room temperature
300
Scientists in North Carolina are working to create fuels from recycled matter. What effect will this discovery most likely have on careers in the state?
A. It will reduce or eliminate jobs in waste management.
B. It will create more jobs in the pharmaceutical industry.
C. It will create more jobs in energy production.
D. It will reduce or eliminate the number of engineering jobs.
What is C. It will create more jobs in energy production.
300
Algae are aquatic organisms that use water, carbon dioxide, and sunlight to produce their own energy. Fish need to consume energy by eating algae and other organisms. Which of the following statements describes fish and algae?
A. Fish and algae are both autotrophs.
B. Fish are autotrophs, and algae are heterotrophs.
C. Fish and algae are both heterotrophs.
D. Fish are heterotrophs, and algae are autotrophs.
What is D. Fish are heterotrophs, and algae are autotrophs.
300
What do these layers and their fossils suggest about Earth's history?
A. No lifeforms were present when these layers formed.
B. There have been changes in Earth's lifeforms over time.
C. Lifeforms on Earth have been the same over time.
D. Only one kind of lifeform lived where these layers formed.
What is B. There have been changes in Earth's lifeforms over time.
300
Bubonic plague is an infectious bacterial disease that affects rats and is transmitted by fleas from rats to other organisms. In 1855, the disease emerged in the Yunnan province in China and then spread to all inhabited continents, killing millions.
Which characteristic best classifies the disease as a pandemic rather than an epidemic?
A. It spread quickly among people.
B. It caused large numbers of deaths.
C. It affected large numbers of people.
D. It spread to a wide geographical region.
What is D. It spread to a wide geographical region.
300
Which substance is represented by X in the reaction?
A ATP
B carbon monoxide
C nitrogen gas
D sunlight
What is A. ATP
400
Which best explains how a nonliving virus is able to reproduce?
A. A virus becomes living when in contact with a host organism.
B. A virus infects a host organism by injecting its DNA into the cells of the host organism.
C. A virus infects a host organism by pulling the DNA from the cells of the host organism into itself.
D. A virus becomes living when a sufficient number of viruses invade a host organism and cause an infection.
What is B. A virus infects a host organism by injecting its DNA into the cells of the host organism.
400
Which of the following best shows the relative conductivity of the elements in the three regions labeled in the diagram?
A. Region 1 = Most conductive, Region 3 = Least conductive, Region 2 = Conductivity between that of regions 1 and 3
B. Region 3 = Most conductive, Region 1 = Least conductive, Region 2 = Conductivity between that of regions 1 and 3
C.Region 3 = Most conductive, Region 2 = Least conductive, Region 1 = Conductivity between that of regions 3 and 2
D.Region 1 = Most conductive, Region 2 = Least conductive, Region 3 = Conductivity between that of regions 1 and 2
What is A. Region 1 = Most conductive, Region 3 = Least conductive, Region 2 = Conductivity between that of regions 1 and 3
400
Which best describes a controversial issue associated with the use of genetically modified crops?
A. the use of genetically modified crops to increase potential yield
B. the short-term use of genetically modified crops in famine-stricken countries
C. the development of genetically modified crops which are resistant to herbicides
D. the long-term effects which may arise from the use of genetically modified crops
What is D. the long-term effects which may arise from the use of genetically modified crops
400
How does the nitrogen cycle differ from the carbon and oxygen cycles?
A. Organisms use nitrogen to build proteins and other complex molecules unlike carbon and oxygen which are never incorporated into living things.
B. Nitrogen never becomes incorporated into living things unlike carbon and oxygen which are required for the formation of sugar.
C. Animals breathe nitrogen directly from the air, so they are not dependent on plants releasing it as a byproduct of photosynthesis.
D. Most organisms cannot use nitrogen directly from the atmosphere, so it must combine with other elements to form usable nitrogen compounds.
What is D. Most organisms cannot use nitrogen directly from the atmosphere, so it must combine with other elements to form usable nitrogen compounds.
400
Using the layer marked a as a guide, determine how the rocks moved along the fault.
A. The rocks on both sides of the fault moved down the same distance.
B. The rocks on the right side moved up, and the rocks on the left side moved down.
C. The rocks on the left side moved up, and the rocks on the right side moved down.
D. The rocks on both sides of the fault moved up the same distance.
What is B. The rocks on the right side moved up, and the rocks on the left side moved down.
400
What is the role of oxygen during the process of respiration in plants?
A It helps store food for later use.
B It reacts with food to release energy.
C It helps transport food to different plant parts.
D IIt breaks down food to release stored nutrients
What is B It reacts with food to release energy.
400
Under which conditions would a flu epidemic most likely occur?
A. an especially cold winter
B. an especially warm winter
C. inappropriate use of antibiotics
D. incorrect strains in vaccine
What is D. incorrect strains in vaccine
500
Which statement best concludes the findings based on the graphs shown?
A. Antibiotic A is the most effective as all the bacteria were killed.
B. Antibiotic B is the most effective as the number of bacteria remained constant.
C. Antibiotic C is the most effective as the bacterial growth steadily increased.
D. Antibiotic D is the most effective as the number of bacteria declined faster
What is Antibiotic A is the most effective as all the bacteria were killed.
500
Study the portion of the periodic table. A chemist is trying to limit the reactivity of a metal from group 1 by combining the metal with a different element.
Which atom should the chemist use to accomplish his task?
A. Ne because it forms atoms with a 0 charge by itself.
B. Cl because it has 7 valence electrons.
C. Al because it forms a +3 ion.
D. C because it can be found in group 14.
What is B. Cl because it has 7 valence electrons.
500
The science of biotechnology uses living organisms to solve problems. Bioremediation is a specific technique in biotechnology that uses living organisms to neutralize toxins from contaminated sites. How does bioremediation improve the quality of life for humans?
A. By conserving nonrenewable resources
B. By allowing medicine to be made in larger quantities
C. By removing pollution from water and soil
D. By allowing law enforcement to identify criminals
What is C. By removing pollution from water and soil
500
What is the source of carbon dioxide in the atmosphere, as shown by the model
A. Photosynthesis by plants and animals
B. Photosynthesis by plants
C. Respiration by animals
D. Respiration by plants and animals
What is C. Respiration by animals
500
What is the best description of rock layer X?
A. A It is an igneous rock layer that is older than the sedimentary rock around it.
B. It is an igneous rock layer that is younger than the sedimentary rock around it.
C. It is a sedimentary rock layer that is older than the igneous rock around it.
D. It is a sedimentary rock layer that is younger than the igneous rock around it.
What is B. It is an igneous rock layer that is younger than the sedimentary rock around it.
500
Use the graph showing deaths per week due to the H1N1 epidemic to answer the question. In 2009 the United States experienced an H1N1 influenza epidemic. In the early stages of this epidemic, the vaccine for H1N1 was scarce. According to the graph, when did the supply of H1N1 vaccine become more readily available?
A. September
B. October
C. November
D. December
What is C. November
500
The citizens concluded that fossil fuel consumption has reduced across the world. Based on the graph, is the conclusion correct and why?
A Yes. Consumption of renewables has increased globally over the time period.
B No. Consumption of renewables has increased globally over the time period.
C Yes. Consumption of coal, petroleum, and natural gas has increased globally over the time period.
D No. Consumption of coal, petroleum, and natural gas has increased globally over the time period.
What is D No. Consumption of coal, petroleum, and natural gas has increased globally over the time period.