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WorksheetsBiology unit 1 Test
Total questions: 53
Worksheet time: 12hrs 3mins
Which of the following is not a goal of science?
To understand the natural world
To explain events in the natural world
To use explanations to make predictions
To perform experiments
Which term below describes the science of life.
Biology
Ecology
Geography
Physics
An observation uses ones _____________ to gather data.
knowledge
intuition
senses
point of view
Data that is measurable, giving high and low values is called____________ data.
qualitative
quantitative
tangible
empirical
Data that is suggestive, such as purity or brightness is ___________ data’
Qualitative
Quantitative
Tangible
Empirical
In science, data must be natural, reproducible and quantitative. This type of data is said to be _____________ evidence.
qualitative
quantitative
tangible
empirical
An explanation of an observation based on prior knowledge is __________.
a hypothesis
an inference
a prediction
a theory
A proposed explanation made on the basis of limited evidence as a starting point for further investigation would be ______________.
a hypothesis
an inference
a prediction
a theory
Which of the following is not a condition of a valid experiment.
testing one variable at a time
being able to repeat testing
have a control group
the design of experiment
The scientific method always starts with;
asking a question
forming a hypothesis
designing an experiment
analysing data
Any factors that can be changed in an experiment are ___________.
variables
data sets
parameters
values
Another name for the responding variable is the __________ variable.
control
independent
dependent
manipulated
Another name for the manipulated variable is the __________ variable.
control
independent
dependent
manipulated
In an experiment the variable being measured is the __________ variable.
independent
dependent
control
empirical
In an experiment the variable being changed is the __________ variable.
independent
dependent
control
empirical
In an experiment, the variable that remains unchanged or constant is the ______________ variable.
independent
controlled
dependent
empirical
The group in an experiment in which all others are compared is called the __________________.
responding variable
experimental group
testable hypothesis
control group
The group in an experiment which is compared to the control group is called the __________________.
experimental group
control group
testable hypothesis
responding variable
The type of graph used to compare two variables over time is a ______ graph.
circle
table
line
bar
The type of graph used to show high and low values is a ______ graph.
circle
table
line
bar
In an experiment, the breathing rate of sunfish are recorded at various water temperatures. What is the independent variable?
breathing rate
water temperature
sunfish
water pH
In an experiment, the breathing rate of sunfish is recorded at various water temperatures. What is the dependent variable?
breathing rate
water temperature
sunfish
water pH
The belief that non-living material produced living things is called ________________.
miraculous manufacture
spontaneous generation
unintended consequences
reproduction
The scientist credited with making the first microscope. He found animalcules in pond water.
Sir Issac Newton
Anton Van Leeuwenhoek
Louis Pasteur
Aristotle
In Francesco Redi’s experiment showing flies produced maggots. What is the independent variable?
the cloth
the meat
the jars
the maggots
In Francesco Redi’s experiment showing flies produced maggots. What is the dependent variable?
the cloth
the meat
the jars
the maggots
Why was John Needham's experiment not vaid?
he did not heat the gravy hot enough
he did not have a control group
both, he did not heat long enough or have a control group
none of the above
Who was credited with disproving Needham's experiment?
Lazzaro Spallanzani
Francesco Redi
Anton Van Leewenhoek
Aristotle
What type of microscope uses beams of electrons to scan the surface of structures to produce an image?
compound light
SEM
TEM
magnifing glass
Who performed the experiment with the swan neck flask that definatively disproved spontaneous generation?
Louis Pasture
John Needham
Francesco Redi
Lazzaro Spallanzani
When experiments are not possible, scientist often use models to help perform experiments. Which choice below is an example of using models?
the mystery box lab
gizmos computer simulation (frog patterns)
using scales and graduated cylinders
using textbooks
Which of the following is not a characteristic of living things.
being able to reproduce
metabolism
absorbing water
to grow and develop
The most basic unit of life is the ____________?
molecule
tissue
organism
cell
Organisms that are made of only one cell are ________?
unicellular
multicellular
tissues
subcutanous
An example of a multicellular organism is a _____________.
dog
tree
fungi
all, tree dog and fungi
The universal genetic code is made up of ___________?
proteins
cells
DNA
molecules
The types of reproducetion in which an organism reproduces by binary fission or budding is _____________?
asexual reproduction
sexual reproduction
mitosis
meiosis
Reproduction by which organisms exchange DNA is _____________?
asexual reproduction
sexual reproduction
mitosis
meiosis
Population traits change over time or evolve. The mechanism that drives these changes is called ___________?
natural selection
artificial selection
reproduction
homeostasis
Which of the following characteristics of living things best explains why humans ssweat when they get hot?
homeostasis
reproduction
metabolism
universal genetic code
What is the SI measurement for mass?
gram
meter
liter
celcius
What 20 degrees celcius converts to about ________ degrees fahrenheit.
72
82
92
100
The part of the microscope that is used to bring the low power objective into focus is callled _____________?
occular
base
stage
course adjustment
The most important rule for labratory safety is ______?
always wear your hair up.
wear close toed shoes
wear goggles
follow directions
Convert 450 cm to meters.
4.5 m
45.0 m
.45 m
.045 m
Which choice below is in the correct hierarchy order?
cell, organ, tissue, organ system
cell, tissue, organ, organ system
organ system, tissue, cell, organ
tissue, cell, organ, organ system
An explanation of how an event in nature occures is a scientific ___________?
law
theory
hypothesis
inference
An explanation of why an event in nature occures is a scientific ___________?
law
theory
hypothesis
inference
A biology class in Virginia conducted a survey of the plant species found on their school grounds. They found several plants that they didn’t recognize. What resources would be most helpful to the class in identifying the plants and determining if they were introduced as exotic species?
Virginia newspapers and science journals
Virginia native plant checklists and plant identification keys
Biology textbooks and the encyclopedia
Fossil records and historical society publications
What is the total magnification used to view these onion cells through this microscope setup?
40
10
50
400
Richard was observing black swallowtail butterflies in the field. Which one of these is an observation he made about a black swallowtail butterfly?
The black swallowtail laid its eggs on a parsley plant.
The black swallowtail is closely related to the spicebush swallowtail.
The black swallowtail likes to fly more than anything else.
The black swallowtail belongs to the class Insecta.
Which of these would be the best resource to research the symptoms and treatment of hypoglycemia?
Daily television news
Journal of Zoology
New England Journal of Medicine
Natural History Magazine
The picture shows a coverslip correctly being lowered onto a slide. This method is used because it —
reduces the possibility of air bubbles on the slide
prevents the coverslip from moving
allows microorganisms to move freely in the water
prevents the escape of microorganisms found in the water
