Practice test 240 lifescience 7-12 Best
Solutions Guaranteed 2024-2025
A teacher is considering several ways to teach the interdependence of organisms within an
ecosystem. Which of the following choices is the best option for this course of study to
maximize building critical thinking and inquiry skills?
The teacher provides students with soft drink bottles, soil, water, compost, and fruit flies. The
students will design and build an experiment to test their own hypotheses.
When smelling a test tube to determine whether it has been rinsed after containing a strong
ammonia solution, it is important to:
waft the air above
Which of the following would best indicate that a cell is a euglena and not a cyanobacteria?
internal membrane
A dihybrid cross between two pea plants, RrGg x RrGg, produces the following offspring. Which
of the following can be concluded about how seed texture and pod color are inherited?
seed texture annd color assort independently
Which of the following accurately describes the events that occur during mitotic anaphase?
The chromatids are pulled toward opposite ends of the cell.
Which of the following reactions best represents the energy flow that occurs in aerobic cellular
respiration?
Glucose+Oxygen=Carbon Dioxide+ Water+ Energy
Which of the following characteristics is shared by an ash tree, a cat, yeast, and an amoeba?
They break down glucose during the production of ATP.
The diagram shows the trophic pyramids for two ecosystems. One shows the number of
individuals in each trophic level of the ecosystem, and the other shows the biomass at each
trophic level of the ecosystem. Which of the following statements is most likely true about these
ecosystems?
, The individual primary consumers in ecosystem 1 are larger than the individual primary
consumers in ecosystem 2. (WRONG)
Which of the following is the responsibility of the teacher with regard to the use of chemicals?
knowing the chemicals used in each laboratory experiment and reviewing the material safety
data sheet for them
Which of the following diseases can be effectively treated with an antibiotic?
strep
Which of the following is true about bacteria and viruses?
viruses non livinng
Muscles of the ear, the palmaris longus tendon in human wrists, coccyx, and wisdom teeth are
all considered examples of human:
vestigeal
The monarch butterfly populations migrate to Central Mexico each winter and return to North
America and Canada each spring. What kind of response is this?
instinctual
An earthquake takes place on a peninsula and splits up a population of non-swimming
armadillo. Half of the population is now isolated on an island and the other half are living on the
tip of the remaining peninsula.
Which form of speciation is most likely to occur to the armadillo population?
allopatric
Which of the following describes a process that takes place when a person's body temperature
falls below its normal range?
Muscle contractions near the skin will release heat as they use up ATP.
Which of the following properties make hydrogen essential to the chemistry of life?
Hydrogen bonds are essential to the structure of DNA.
In plants, phloem is responsible for:
transporting food created through photosynthesis from leaves to other parts of the plant.
Which of the following lesson designs is most likely to enhance student engagement and
retention about the relationship between launch angle, height, and range of a projectile?
Solutions Guaranteed 2024-2025
A teacher is considering several ways to teach the interdependence of organisms within an
ecosystem. Which of the following choices is the best option for this course of study to
maximize building critical thinking and inquiry skills?
The teacher provides students with soft drink bottles, soil, water, compost, and fruit flies. The
students will design and build an experiment to test their own hypotheses.
When smelling a test tube to determine whether it has been rinsed after containing a strong
ammonia solution, it is important to:
waft the air above
Which of the following would best indicate that a cell is a euglena and not a cyanobacteria?
internal membrane
A dihybrid cross between two pea plants, RrGg x RrGg, produces the following offspring. Which
of the following can be concluded about how seed texture and pod color are inherited?
seed texture annd color assort independently
Which of the following accurately describes the events that occur during mitotic anaphase?
The chromatids are pulled toward opposite ends of the cell.
Which of the following reactions best represents the energy flow that occurs in aerobic cellular
respiration?
Glucose+Oxygen=Carbon Dioxide+ Water+ Energy
Which of the following characteristics is shared by an ash tree, a cat, yeast, and an amoeba?
They break down glucose during the production of ATP.
The diagram shows the trophic pyramids for two ecosystems. One shows the number of
individuals in each trophic level of the ecosystem, and the other shows the biomass at each
trophic level of the ecosystem. Which of the following statements is most likely true about these
ecosystems?
, The individual primary consumers in ecosystem 1 are larger than the individual primary
consumers in ecosystem 2. (WRONG)
Which of the following is the responsibility of the teacher with regard to the use of chemicals?
knowing the chemicals used in each laboratory experiment and reviewing the material safety
data sheet for them
Which of the following diseases can be effectively treated with an antibiotic?
strep
Which of the following is true about bacteria and viruses?
viruses non livinng
Muscles of the ear, the palmaris longus tendon in human wrists, coccyx, and wisdom teeth are
all considered examples of human:
vestigeal
The monarch butterfly populations migrate to Central Mexico each winter and return to North
America and Canada each spring. What kind of response is this?
instinctual
An earthquake takes place on a peninsula and splits up a population of non-swimming
armadillo. Half of the population is now isolated on an island and the other half are living on the
tip of the remaining peninsula.
Which form of speciation is most likely to occur to the armadillo population?
allopatric
Which of the following describes a process that takes place when a person's body temperature
falls below its normal range?
Muscle contractions near the skin will release heat as they use up ATP.
Which of the following properties make hydrogen essential to the chemistry of life?
Hydrogen bonds are essential to the structure of DNA.
In plants, phloem is responsible for:
transporting food created through photosynthesis from leaves to other parts of the plant.
Which of the following lesson designs is most likely to enhance student engagement and
retention about the relationship between launch angle, height, and range of a projectile?