WCU PHYS 261 ACTUAL TEST PAPER FULL
QUESTIONS AND ACCURATE ANSWERS
GRADED APLUS
●● Cell
Answer: The basic unit of structure and function in living things
●● Level of organization
Answer: atom, molecule, cell, tissue, organ, organ system, organism,
population of one species, eco system of diff species, biosphere
●● Homeostasis
Answer: a constant state of natural balance within the body
●● placebo effect
Answer: a positive result from a healing method due to a symbolic or
otherwise nonmaterial factor
●● nocebo effect
Answer: a negative placebo effect due to the expectation of adverse
consequences from receiving treatment
,●● dependent variable
Answer: WHAT YOU MEASURE- ON Y AXIS
●● independent variable
Answer: variable that is manipulated
●● control group
Answer: the group that does not receive the experimental treatment.
●● Atom
Answer: Basic unit of matter
●● 3 subatomic particles
Answer: protons, neutrons, electrons
●● Protons
Answer: an atom that gains/loses protons becomes different element
●● Electron
Answer: becomes ion in same element
●● Neutron
, Answer: becomes isotope of same element
●● atomic number
Answer: number on top
●● atomic mass
Answer: (at the bottom)Number of protons and neutrons
●● free radicals
Answer: unpaired electrons- normally pairs. will try to steal an electron
from another mol
●● covalent bond
Answer: a strong chemical bond resulting from the sharing of a pair of
electrons between two atoms
●● ionic bond
Answer: A chemical bond resulting from the attraction between
oppositely charged(cation and anions) ions
-opposites attract
●● Ions
Answer: positively and negatively charged atoms
QUESTIONS AND ACCURATE ANSWERS
GRADED APLUS
●● Cell
Answer: The basic unit of structure and function in living things
●● Level of organization
Answer: atom, molecule, cell, tissue, organ, organ system, organism,
population of one species, eco system of diff species, biosphere
●● Homeostasis
Answer: a constant state of natural balance within the body
●● placebo effect
Answer: a positive result from a healing method due to a symbolic or
otherwise nonmaterial factor
●● nocebo effect
Answer: a negative placebo effect due to the expectation of adverse
consequences from receiving treatment
,●● dependent variable
Answer: WHAT YOU MEASURE- ON Y AXIS
●● independent variable
Answer: variable that is manipulated
●● control group
Answer: the group that does not receive the experimental treatment.
●● Atom
Answer: Basic unit of matter
●● 3 subatomic particles
Answer: protons, neutrons, electrons
●● Protons
Answer: an atom that gains/loses protons becomes different element
●● Electron
Answer: becomes ion in same element
●● Neutron
, Answer: becomes isotope of same element
●● atomic number
Answer: number on top
●● atomic mass
Answer: (at the bottom)Number of protons and neutrons
●● free radicals
Answer: unpaired electrons- normally pairs. will try to steal an electron
from another mol
●● covalent bond
Answer: a strong chemical bond resulting from the sharing of a pair of
electrons between two atoms
●● ionic bond
Answer: A chemical bond resulting from the attraction between
oppositely charged(cation and anions) ions
-opposites attract
●● Ions
Answer: positively and negatively charged atoms
