Praxis 5005 Practice Exam Questions
with Complete Solutions
Which of the following is the most common gas in Earth's atmosphere? - correct
Answer-Nitrogen
Which statement correctly reflects the relative distances between the Moon, Earth, and
the Sun? - correct Answer-The Moon's distance from the Sun is considerably greater
than its distance from Earth
This the explosion of a high-mass star as it approaches the end of its life cycle - correct
Answer-Supernova
Of the following, which is most directly related to the plate tectonics? - correct Answer-
Mountain formation & Water Cycle
The relative positions of the Sun, the Moon, and Earth affect which of the following? -
correct Answer-Eclipses, tides, phases of the Moon, Earth rotation, and Earth's tilt on its
axis
What types of rocks contain fossils? - correct Answer-Sedimentary
Which THREE of the following statements about stars are true? - correct Answer-Stars
are made mostly of hydrogen and helium, various stars have different temperatures,
stars are commonly found in pairs, known as binary systems
Which of the following is an example of a renewable energy source on Earth? - correct
Answer-Solar power
Which process is responsible for the formation of clouds during the water cycle? -
correct Answer-Condensation
Which scientist proposed the theory of continental drift? - correct Answer-Alfred Wegner
A teacher shows students two pictures. One picture is of a penguin on a tropical island,
and the other is of a lizard in a snowstorm. The teacher then leads a discussion on how
these animals might adapt over time. Which of the following would be the most
appropriate to include in this discussion? - correct Answer-An explanation of trait
variations different species experience to survive
, A teacher is showing students that plants need the assistance of other species to aid in
pollination. Which of the following THREE student responses indicate that the students
understand this concept? - correct Answer-Pollen can get stuck on the fur of a bear. As
the bear moves around the environment, the pollen rubs up against other plants so they
can get pollinated; Pollen gets attached to a bees legs. As the bee flies from one plant
to another, the pollen is transferred to different plants, which helps them get pollinated;
Bugs recognize flowers by color and smell, which helps the bugs move from one plant
to another.
Which of the following would be most effective in showing students that energy is lost as
it is transferred from one trophic system to another? - correct Answer-Energy pyramid
A teacher explains that all must reproduce must reproduce to make new cells. Which of
the following concepts is the teacher going over? - correct Answer-Cell theory
A teacher is helping students understand that when two organisms reproduce, the
offspring receives half its genes from one parent and half of its genes from another
parent. Which of the following would be most helpful in explaining this? - correct
Answer-A Punnett square activity
A eukaryote that does not make its own food and that does not contain cells with a cell
wall is a - correct Answer-Animalia
During this stage of mitosis, chromosomes line up in the middle of the cell and spindle
fibers to attach to the center of the chromosomes. - correct Answer-Metaphase
Sometimes during cell division, sex cells contain three copies of chromosomes instead
of two. This results in - correct Answer-Trisomy
Red plants have the dominant trait for color (R), while white plants have the recessive
trait for color (r). How many red plants and white plants are produced when Rr x Rr are
crossed? - correct Answer-3 red plants; 1 white plant
Which of the following is a producer? - correct Answer-Grass
A symbiotic relationship where both organisms benefit is called - correct Answer-
Mutualism
Proteins are made up of - correct Answer-amino acids
Ms. Wheeler is explaining that humans have 46 chromosomes- 23 from mom and 23
from dad. She is most likely giving a lesson on: - correct Answer-Meiosis
This human system is responsible for the flow of blood, nutrients, oxygen, and other
gases to and from cells - correct Answer-Circulatory
with Complete Solutions
Which of the following is the most common gas in Earth's atmosphere? - correct
Answer-Nitrogen
Which statement correctly reflects the relative distances between the Moon, Earth, and
the Sun? - correct Answer-The Moon's distance from the Sun is considerably greater
than its distance from Earth
This the explosion of a high-mass star as it approaches the end of its life cycle - correct
Answer-Supernova
Of the following, which is most directly related to the plate tectonics? - correct Answer-
Mountain formation & Water Cycle
The relative positions of the Sun, the Moon, and Earth affect which of the following? -
correct Answer-Eclipses, tides, phases of the Moon, Earth rotation, and Earth's tilt on its
axis
What types of rocks contain fossils? - correct Answer-Sedimentary
Which THREE of the following statements about stars are true? - correct Answer-Stars
are made mostly of hydrogen and helium, various stars have different temperatures,
stars are commonly found in pairs, known as binary systems
Which of the following is an example of a renewable energy source on Earth? - correct
Answer-Solar power
Which process is responsible for the formation of clouds during the water cycle? -
correct Answer-Condensation
Which scientist proposed the theory of continental drift? - correct Answer-Alfred Wegner
A teacher shows students two pictures. One picture is of a penguin on a tropical island,
and the other is of a lizard in a snowstorm. The teacher then leads a discussion on how
these animals might adapt over time. Which of the following would be the most
appropriate to include in this discussion? - correct Answer-An explanation of trait
variations different species experience to survive
, A teacher is showing students that plants need the assistance of other species to aid in
pollination. Which of the following THREE student responses indicate that the students
understand this concept? - correct Answer-Pollen can get stuck on the fur of a bear. As
the bear moves around the environment, the pollen rubs up against other plants so they
can get pollinated; Pollen gets attached to a bees legs. As the bee flies from one plant
to another, the pollen is transferred to different plants, which helps them get pollinated;
Bugs recognize flowers by color and smell, which helps the bugs move from one plant
to another.
Which of the following would be most effective in showing students that energy is lost as
it is transferred from one trophic system to another? - correct Answer-Energy pyramid
A teacher explains that all must reproduce must reproduce to make new cells. Which of
the following concepts is the teacher going over? - correct Answer-Cell theory
A teacher is helping students understand that when two organisms reproduce, the
offspring receives half its genes from one parent and half of its genes from another
parent. Which of the following would be most helpful in explaining this? - correct
Answer-A Punnett square activity
A eukaryote that does not make its own food and that does not contain cells with a cell
wall is a - correct Answer-Animalia
During this stage of mitosis, chromosomes line up in the middle of the cell and spindle
fibers to attach to the center of the chromosomes. - correct Answer-Metaphase
Sometimes during cell division, sex cells contain three copies of chromosomes instead
of two. This results in - correct Answer-Trisomy
Red plants have the dominant trait for color (R), while white plants have the recessive
trait for color (r). How many red plants and white plants are produced when Rr x Rr are
crossed? - correct Answer-3 red plants; 1 white plant
Which of the following is a producer? - correct Answer-Grass
A symbiotic relationship where both organisms benefit is called - correct Answer-
Mutualism
Proteins are made up of - correct Answer-amino acids
Ms. Wheeler is explaining that humans have 46 chromosomes- 23 from mom and 23
from dad. She is most likely giving a lesson on: - correct Answer-Meiosis
This human system is responsible for the flow of blood, nutrients, oxygen, and other
gases to and from cells - correct Answer-Circulatory
