Exam Questions And Correct Answers (Verified Answers)
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What is a variable? - ANSWER-Any factor that can be
controlled, changed, or
measured in an
experiment
What is an experimental group? - ANSWER-The group getting
the treatment
(getting
tested)
What is a negative control? - ANSWER-Receives treatment that
is known to not
induce the experiment's
expected effect
What is a positive control? - ANSWER-Receives treatment
that is known to
induce the expected
effect
,What is a single-blind experiment? - ANSWER-Information is
withheld from
participants, but not the
experimenter
What is a double-blind experiment? - ANSWER-Information is
withheld from the
participants AND the
experimenter
What is the placebo effect? - ANSWER-A phenomenon in which
a patient feels
better after merely believing a treatment was given, even if
none really was
Scientists must _____ experiments several times to ensure
that their findings
when not due to chance alone. -
ANSWER-Repeat
What six things make a living thing? - ANSWER-1. Order and
complex structure
2. Energy and matter processing
3. Reproduction
4. Growth and development
5. Response to environment
6. Evolutionary adaptations
, What is the order of structure for an organism? (Largest to
smallest) - ANSWER-1. Whole organism
2. Organ system
3. Tissue
4. Cells
5. Organelles
6. Macromolecules
7. Molecules
8. Atoms
Water is _____ to life on Earth. - ANSWER-Essential
Is water an organic or inorganic compound? - ANSWER-
Inorganic; it does not
contain
carbon
Humans are made up of almost _____ % of water. - ANSWER-70
What is the other 30% of humans made up of? - ANSWER-
24%: Organic
compounds
6%: Inorganic
compounds
Organic compounds contain _____. - ANSWER-Carbon