5905 Science Praxis Exam Questions Verified Marking Scheme Current Update (Verified A+ Pass)
Why do different stars appear during different seasons? - Answers - As the Earth revolves around the Sun, the position of the Earth changes, and this creates the different views of the night sky.
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5905 Science Praxis Exam Questions
Verified Marking Scheme Current Update
(Verified A+ Pass)
Why do different stars appear during different seasons? - Answers -✔✔ As the Earth
revolves around the Sun, the position of the Earth changes, and this creates the
different views of the night sky.
Which of the following processes in a plant's life cycle involves the emergence of leaves
and roots from a seed? - Answers -✔✔ germination
Which of the following demonstrations provides the best opportunity for students to gain
an understanding of why the Sun appears larger than other stars, even though many
stars are actually larger than the Sun? - Answers -✔✔ Positioning two lit bulbs of the
same size at different distances from an observer
Heterozygous - Answers -✔✔ An organism that has two different alleles for a trait
Homozygous - Answers -✔✔ An organism that has two identical alleles for a trait
Which of the following typically increases with increasing depth in the open ocean? -
Answers -✔✔ pressure
Which of the following identifies the ultimate source of genetic variation in a population
of organisms? - Answers -✔✔ Changes in the DNA of some members of the population
Which of the following scientists did pioneering research on the properties of radioactive
elements? - Answers -✔✔ Marie Curie
Which of the following molecules is a product of cellular respiration and is used for
energy transfer in cells? - Answers -✔✔ ATP
ATP - Answers -✔✔ (adenosine triphosphate) main energy source that cells use for
most of their work
Which of the following elements are most abundant in the Sun? - Answers -✔✔
Hydrogen and helium
Which of the following biomes has the greatest diversity of species? - Answers -✔✔
tropical rain forest
, On the periodic table, the elements lithium, sodium, and potassium are grouped
together in the first column. Based on their locations on the periodic table, which of the
following is most likely true about the elements lithium, sodium, and potassium? -
Answers -✔✔ They have similar chemical properties.
Which of the following systems is responsible for the production of hormones? -
Answers -✔✔ endocrine
Which of the following best describes the type of chemical reaction that occurs when the
acid HCl is mixed with the base NaOH in a solution? - Answers -✔✔ Mixing the acid
HCl with the base NaOH results in a neutralization reaction that produces water and the
salt NaCl.
A neutral atom becomes a positive ion when it loses one or more.. - Answers -✔✔
electrons
Two black mice have a litter that contains some black offspring and some brown
offspring. In mice, black fur is dominant to brown fur. Which of the following best
explains the presence of the brown offspring? - Answers -✔✔ Both parents were
heterozygous for black fur (Bb).
Bread molds belong to which of the following groups of organisms? - Answers -✔✔
Fungi
covalent bond - Answers -✔✔ A chemical bond formed when two atoms share
electrons
Which of the following most likely accounts for structural and functional differences
between the skin cells, smooth muscle cells, and liver cells of the same person? -
Answers -✔✔ Differences in gene expression
Researchers are measuring surface salinity in different areas of an ocean. In which of
the following areas will the researchers most likely find the highest surface salinity? -
Answers -✔✔ An area in which warm, dry winds are causing a high rate of evaporation
An object is moving in a straight line at a constant speed. What will happen if a constant
force is then applied to the object in the same direction in which the object is moving? -
Answers -✔✔ The object will continue moving in the same direction but will speed up.
Athenosphere - Answers -✔✔ The soft layer of the mantle on which the tectonic plates
move
Lithosphere - Answers -✔✔ A rigid layer made up of the uppermost part of the mantle
and the crust.
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