Living Organisms: Structures/Functions
Biotechnology
Ecosystems
Evolution & Genetics
Molecular Biology
100
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.
B Viruses can mutate from year to year.
100
Which of these careers would a student studying biotechnology most likely
pursue?
A electrical engineering
B astronomy
C agricultural research
D geology
C agricultural research
100
Which of these organisms is a producer in a marine ecosystem?
A fish
B gull
C algae
D worm
C algae
100
In the winter, the fur of the arctic fox is white. In summer, the fur darkens to a
reddish brown. What most likely causes the fur of the fox to change color?
A the amount of sunlight present
B the fox’s habitat
C the fox’s genes
D the fox’s age
C the fox’s genes
100
Why is a healthy diet important?
A It maintains a constant body temperature.
B It prevents damage to internal organs.
C It makes oxygen for all the cells in the body.
D It supplies the body’s needs for growth and energy.
D It supplies the body’s needs for growth and energy.
200
Which disease is caused by a fungal infection?
A intestinal worms
B influenza
C chicken pox
D athlete’s foot
D athlete’s foot
200
Scientists have been able to cause some bacteria to produce insulin. In which area of science would these scientists most likely work?
A biotechnology
B nuclear engineering
C marine biology
D chemistry
A biotechnology
200
Which best determines the number of wolves that can live in an area?
A the amount of snow in the area each year
B the number of birds that live in the area
C the number of trees in the area
D the amount of food available in the area
D the amount of food available in the area
200
What do transitional fossils best support?
A Theory of Biological Evolution
B the Law of Superposition
C the Theory of Geological Evolution
D the Theory of Continental Drift
A Theory of Biological Evolution
200
How would smoking tobacco most likely have a negative impact on the ability of
an individual to succeed at physical activities?
A It interferes with balance and coordination.
B It decreases the ability to make decisions rapidly.
C It decreases stamina and cardiovascular efficiency.
D It decreases the speed and power of muscle contractions.
RELEASED
C It decreases stamina and cardiovascular efficiency.
300
How are pandemics different than epidemics?
A Pandemics affect blood; epidemics affect skin.
B Pandemics affect many countries or states; an epidemic is more localized.
C Pandemics are caused by bacteria; epidemics are caused by viruses.
D Pandemics are spread through the air; epidemics are spread through the water
B Pandemics affect many countries or states; an epidemic is more localized.
300
What is involved in creating genetically modified bacteria?
A allowing them to reproduce freely
B changing their food source
C using biotechnology techniques
D growing them on selected plants
C using biotechnology techniques
300
What happens to a population and to competition when there is a reduction of living space?
A The population expands, and competition intensifies.
B Competition strengthens while the population contracts.
C The population increases as competition decreases.
D Competition weakens and the population decreases.
B Competition strengthens while the population contracts.
300
Tigers and household cats are members of the same family; however, their sizes
are vastly different. What is the cause of this difference?
A biochemical makeup
B behavioral makeup
C genetics
D habitat size
C genetics
300
Which food provides the most energy for the body in the shortest amount of time?
A potato
B meat
C milk
D fruit
D fruit
400
What is the most likely result of overusing a particular antibiotic?
A fewer infections caused by bacteria resistant to the antibiotic
B more infections caused by bacteria resistant to the antibiotic
C fewer infections caused by viruses and bacteria
D more infections caused by viruses
B more infections caused by bacteria resistant to the antibiotic
400
Which is one possible human benefit from biotechnology research?
A producing crops that can grow in areas where they normally do not grow
B producing new types of disease-causing viruses
C increasing the ability to turn ocean water to freshwater
D creating new types of buildings that can withstand hurricanes
A producing crops that can grow in areas where they normally do not grow
400
Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzu
can die because they are starved of sunlight. What type of relationship exists
between the trees and the kudzu growing on them?
A competition
B mutualism
C parasitism
D predator-prey
A competition
400
Which would best allow a species to survive environmental changes?
A similar physical features
B low mutation rate
C small population
D genetic diversity
D genetic diversity
400
Why is protein an important part of a healthy diet?
A It is needed to change glucose to energy.
B It is needed to store nutrients.
C It is needed to repair tissue.
D It is needed to produce water.
C It is needed to repair tissue.
500
Which illness could most likely be treated with antibiotics?
A influenza
B common cold
C strep throat
D diabetes
C strep throat
500
How has genetic engineering helped farming?
A by developing better fertilizer for crops
B by creating crops that resist some diseases
C by producing soil that makes crops grow better
D by producing faster ways to harvest crops
B by creating crops that resist some diseases
500
Where is the largest amount of energy found in this food web?
A hawk
B grass
C mouse
D grasshopper
B grass
500
What process is most responsible for the extinction of most species of plants and animals that have lived on Earth?
A gene mutation
B environmental changes
C selective breeding
D decrease in reproduction
B environmental changes
500
Where do plants get the food they need for energy?
A They absorb it directly from the sun.
B They absorb it directly from the soil.
C They produce it during photosynthesis.
D They receive it from atmospheric gases
C They produce it during photosynthesis.
600
Many infectious diseases have been nearly eliminated worldwide. Why should global studies of infectious diseases continue?
A All infectious disease organisms are fatal.
B All infectious diseases are resistant to any form of treatment.
C All infectious disease organisms have the ability to mutate, adapt, and survive.
D All infectious diseases are caused by viruses that do not respond to antibiotics.
C All infectious disease organisms have the ability to mutate, adapt, and survive.
600
How can biotechnology help farmers overcome sudden changes in the global climate?
A by changing the types of soil in which the crops are planted
B by developing crops that are resistant to adverse weather
C by rotating the crops within the same field
D by only planting crops in the winte
B by developing crops that are resistant to adverse weather
600
In some environments, wolves prey on deer for their source of food. If all of the wolves were taken from the environment, what would most likely happen to the deer population?
A The deer population would increase and begin to compete for food.
B The deer population would become larger and healthier animals.
C The deer population would decrease, because there would be an increase in disease.
D The deer population would change color, because they would not have to hide from wolves
A The deer population would increase and begin to compete for food.
600
Which would indicate that a series of fossils represent the evolution of the horse?
A All of the fossils were found in the same layers of rocks as horse fossils.
B All of the fossils are completely identical to horse bones.
C All of the fossils show similar structures to that of the modern horse.
D All of the fossils were located in the same place on Earth as horses.
C All of the fossils show similar structures to that of the modern horse.
600
A runner is preparing to run a long race. Which would provide the highest level of energy for the runner?
A minerals
B carbohydrates
C proteins
D vitamins
B carbohydrates
700
How can the rate of an infectious disease be drastically reduced?
A by taking medication daily
B by preventing transmission between people
C by wearing clean clothing daily
D by performing dental hygiene three times each day
B by preventing transmission between people
700
How has biotechnology helped to improve the agricultural industry?
A by developing irrigation systems that cover a large land area
B by creating some crops that resist certain insects
C by producing soil free of decomposers
D by developing machines that help farmers harvest crops faster
B by creating some crops that resist certain insects
700
Which best represents the flow of energy within an aquatic ecosystem?
A algae → insects → fish → turtle → sunlight
B insects → algae → fish → turtle → sunlight
C sunlight → insects → algae → fish → turtle
D sunlight → algae → insects → fish → turtle
D sunlight → algae → insects → fish → turtle
700
A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to survive?
A They have larger leaves to protect the fruit than the other strawberries.
B They have different genetic variations that cause them to be more resistant to cold temperatures.
C They are able to reproduce more quickly than the other strawberries.
D The color of the strawberries is darker, and they maintain their temperature better than other strawberries.
B They have different genetic variations that cause them to be more resistant to cold temperatures.
700
Why are digestion and respiration important to the body?
A They control the production of hormones in the body. B They build muscle and bone that the body needs.
C They store food for the body.
D They help provide the energy needed for body functions.
D They help provide the energy needed for body functions.