TEXES SCIENCE 236 Practice Exam Questions and
Answers Latest 2025 Top Rated A+
The process of one tectonic plate moving under another
takes place at which of the following locations?
A convergent boundary
In the photoelectric effect, light incident on the surface of a
metal causes electrons to be emitted from the metal. Which
of the following best describes the effect of increasing the
frequency of the incident light?
the energy of the emitted electrons increases.
Which of the following statements is the most likely
explanation for the existence of critical periods in the
development of behavior in many animals?
The structure of the brain is highly flexible early in development,
but it becomes more difficult to alter neural connections as the
animal gets older.
If a cylinder contains 2 mol of He and 6 mol of Ne at 298 K
and 800 torr, what is the partial pressure of Ne?
600 torr
A car traveling along a straight highway at a constant speed
of 25 m/s enters a tunnel that is 1 km in length. How long will
it take for the car to travel through the tunnel?
40 s
Which of the following is an important limitation of using
models to study a complex natural system, such as surface
ocean currents?
The high number of variables in a complex natural system makes
it difficult to include all important interactions in a model
Which of the following is the best description of chromatin?
Total cellular DNA, proteins associated with the DNA, and
nascent RNA
,Pairs of students in a class are asked to design gliders that
can safely carry eggs. The pairs of students will test their
gliders to see which one can travel the farthest without the
eggs breaking. This activity most effectively assesses the
students'
problem-solving skills
Which of the following characteristics distinguishes
estuaries from other types of marine environments
Inflows of both freshwater and salt water
Two gases, such as H2 and O2, at the same temperature
must have the same average molecular
kinetic energy.
Which of the following statements best explains why the
productivity of ocean ecosystems is greater in coastal waters
than in the open ocean?
Upwelling of water provides greater nutrient availability in coastal
waters than in the open ocean.
How much HCl(aq) is needed to completely neutralize 2 mol
of Ba(OH)2(s) ?
4 mol
Which of the following statements correctly compares
mitosis and meiosis?
Homologous pairs of chromosomes align during meiosis, whereas
they do not align during mitosis.
The rotational analog of mass is known as
moment of inertia.
A new Moon occurs when the Moon is at which of the
following positions?
Position 1
Which of the following is the correct Lewis structure for NF3
(nitrogen trifluoride) ?
Material Initial Temperature Temperature After 10 Minutes
Aluminum Foil 75°C 62°C
White Paper 75°C 46°C
Black Paper 75°C 59°C
, None 75°C 53°C
A group of students designed an experiment to determine
which one of three materials wrapped around identical paper
cups would be most effective in reducing heat loss. The
students added hot water to each cup and recorded the initial
temperature of the water and the temperature after 10
minutes, as shown in the table. Which of the following is a
valid critique of the experimental design?
It is not clear that the same amount of the water was added to
each cup.
Which TWO of the following are typically characteristics of
eukaryotic cells but are not characteristics of prokaryotic
cells?
Pairs of multiple different chromosomes in each cell
& Enzymatic digestion in the lysosome
Light is incident on an air-glass interface, as shown above.
The refracted light ray is given by which of the following?
D
Which of the following is an ionic compound?
MgCl2
Which of the following best explains why Pluto is classified
as a dwarf planet?
Other objects of similar size and mass are found in the
neighborhood of Pluto's orbit.
Which of the following statements best explains the
presence of black wool in sheep X?
Black wool is a recessive trait, and sheep X is homozygous
recessive for wool color.
A rock is transported from the Moon to Earth. How do the
mass and weight of the rock on Earth compare to its mass
and weight on the Moon?
Mass same Weight greater
One type of hot pack that is often used to treat muscle pain
consists of a small packet of crystals inside a larger packet
that contains water. When the hot pack is crushed, it
Answers Latest 2025 Top Rated A+
The process of one tectonic plate moving under another
takes place at which of the following locations?
A convergent boundary
In the photoelectric effect, light incident on the surface of a
metal causes electrons to be emitted from the metal. Which
of the following best describes the effect of increasing the
frequency of the incident light?
the energy of the emitted electrons increases.
Which of the following statements is the most likely
explanation for the existence of critical periods in the
development of behavior in many animals?
The structure of the brain is highly flexible early in development,
but it becomes more difficult to alter neural connections as the
animal gets older.
If a cylinder contains 2 mol of He and 6 mol of Ne at 298 K
and 800 torr, what is the partial pressure of Ne?
600 torr
A car traveling along a straight highway at a constant speed
of 25 m/s enters a tunnel that is 1 km in length. How long will
it take for the car to travel through the tunnel?
40 s
Which of the following is an important limitation of using
models to study a complex natural system, such as surface
ocean currents?
The high number of variables in a complex natural system makes
it difficult to include all important interactions in a model
Which of the following is the best description of chromatin?
Total cellular DNA, proteins associated with the DNA, and
nascent RNA
,Pairs of students in a class are asked to design gliders that
can safely carry eggs. The pairs of students will test their
gliders to see which one can travel the farthest without the
eggs breaking. This activity most effectively assesses the
students'
problem-solving skills
Which of the following characteristics distinguishes
estuaries from other types of marine environments
Inflows of both freshwater and salt water
Two gases, such as H2 and O2, at the same temperature
must have the same average molecular
kinetic energy.
Which of the following statements best explains why the
productivity of ocean ecosystems is greater in coastal waters
than in the open ocean?
Upwelling of water provides greater nutrient availability in coastal
waters than in the open ocean.
How much HCl(aq) is needed to completely neutralize 2 mol
of Ba(OH)2(s) ?
4 mol
Which of the following statements correctly compares
mitosis and meiosis?
Homologous pairs of chromosomes align during meiosis, whereas
they do not align during mitosis.
The rotational analog of mass is known as
moment of inertia.
A new Moon occurs when the Moon is at which of the
following positions?
Position 1
Which of the following is the correct Lewis structure for NF3
(nitrogen trifluoride) ?
Material Initial Temperature Temperature After 10 Minutes
Aluminum Foil 75°C 62°C
White Paper 75°C 46°C
Black Paper 75°C 59°C
, None 75°C 53°C
A group of students designed an experiment to determine
which one of three materials wrapped around identical paper
cups would be most effective in reducing heat loss. The
students added hot water to each cup and recorded the initial
temperature of the water and the temperature after 10
minutes, as shown in the table. Which of the following is a
valid critique of the experimental design?
It is not clear that the same amount of the water was added to
each cup.
Which TWO of the following are typically characteristics of
eukaryotic cells but are not characteristics of prokaryotic
cells?
Pairs of multiple different chromosomes in each cell
& Enzymatic digestion in the lysosome
Light is incident on an air-glass interface, as shown above.
The refracted light ray is given by which of the following?
D
Which of the following is an ionic compound?
MgCl2
Which of the following best explains why Pluto is classified
as a dwarf planet?
Other objects of similar size and mass are found in the
neighborhood of Pluto's orbit.
Which of the following statements best explains the
presence of black wool in sheep X?
Black wool is a recessive trait, and sheep X is homozygous
recessive for wool color.
A rock is transported from the Moon to Earth. How do the
mass and weight of the rock on Earth compare to its mass
and weight on the Moon?
Mass same Weight greater
One type of hot pack that is often used to treat muscle pain
consists of a small packet of crystals inside a larger packet
that contains water. When the hot pack is crushed, it
