Exam (elaborations)
ECPI TEST QUESTIONS AND ANSWERS
ECPI TEST QUESTIONS AND ANSWERS
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ECPI TEST QUESTIONS AND ANSWERSMechanical weathering (physical weathering) - Answer-rocks broken down into smaller
pieces by physical force (not changing the material)
Chemical Weathering - Answer-rocks broken down through chemical changes or
reactions (this does change the material)
Ice/Frost Wedging - Answer-water gets into cracks and freezes causing the cracks to
get bigger (mechanical weathering)
Adaptive immunity: - Answer-immunity or resistance to a specific pathogen ( COVID 19
natural antibodies created after getting sick)
acquired immunity - Answer-Immunity that is present only after exposure and is highly
specific. (a vaccine)
Passive immunity - Answer-Immunity conferred by transferring antibodies from an
individual who is immune to a pathogen to another individual. (Through mothers work)
What type of bond do Nonmetals have? - Answer-covalent bonds
Deductive reasoning is - Answer-a logical process in which a conclusion is based on the
concordance of multiple premises that are generally assumed to be true
Which of the following is a possible cause of herniation of discs? - Answer-whiplash
Which of the following is a characteristic of the autonomic nervous system? - Answer-It
regulates involuntary activity in the heart, stomach, lungs, and intestines.
Photosynthesis - Answer-Conversion of light energy from the sun into chemical energy.
Which of the following is true about the frog? - Answer-It is a type of amphibian
Which statement can be inferred about amphibians? - Answer-All amphibians are
vertebrates, but not all vertebrates are amphibians.
What would this diagram be useful for? - Answer-determining outcomes for
potential infection
What type of bond between the complementary bases of DNA stabilizes the double
helix structure? - Answer-Hydrogen
Which of the following statements is true regarding trophic levels? - Answer-Tertiary
consumers acquire less energy than primary consumers.
, In a lab experiment designed to test the rate at which plants grow under artificial light,
the kind of light used is which type of variable? - Answer-independent
Which organ system is primarily responsible for
regulating metabolism, mood,and growth? - Answer-endocrine system
In a vacuum, why doesn't an elephant accelerate faster than a penny as it falls to the
ground? - Answer-They both have an acceleration of 9.8 m/s2.
Which train described below would have the greatest momentum? - Answer-a. a 9500
kg train car moving at 200 mph
A scientist found that when an
invasive species was introduced into a river, the
population of salmon native to the region decreased. The type of correlation between
these two populations could best be described as - Answer-An inverse relationship
inverse relationship - Answer-a relationship in which one variable decreases when
another variable increases
The addition of a catalyst to a chemical reaction will have what effect? - Answer-
Increase the rate at which the reaction takes place
The pharynx is part of what body system? - Answer-respiratory
prokaryotic cell - Answer-A type of cell lacking a membrane-enclosed nucleus and
membrane-enclosed organelles; found only in the domains Bacteria and Archaea.
What characteristic of an element determines its specific isotope? - Answer-number of
neutrons
Isotope - Answer-Atoms of the same element that have different numbers of neutrons
What is NOT true about RNA? - Answer-Its sugar is more reduced than DNA's sugar.
RNA - Answer-ribonucleic acid; a nucleic acid that plays an important role in the
production of proteins
tRNA - Answer-transfer RNA; type of RNA that carries amino acids to the ribosome
mRNA - Answer-messenger RNA; type of RNA that carries instructions from DNA in the
nucleus to the ribosome
DNA - Answer-A complex molecule containing the genetic information that makes up
the chromosomes.
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