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WorksheetsBiology Chapter 1
Total questions: 20
Worksheet time: 10mins
You suggest that the presence of water could accelerate the growth of bread mold. This is a/an _____.
conclusion
analysis
hypothesis
experiment
An instrument used to separate cell parts according to density is the ____.
electron microscope
blender
compound light microscope
centrifuge
When enough experimental data support a hypothesis, the hypothesis becomes a/an ____.
fact
inference
conclusion
theory
Which is NOT a unit of measurement in the metric system?
gram
inch
meter
liter
What is the term for the area of Earth where living things exist?
community
population
biosphere
environment
Which of the following characteristics of living things best explains why birds fly south for the winter?
Living things maintain internal balance.
Living things respond to their environment.
Living things are based on a universal genetic code.
Living things are made up of units called cells.
Information gathered from observing a plant grow 3 cm over a two-week time period results in ____.
data
variables
inferences
hypotheses
To observe a small, living organism, a scientist might use a/an ____.
electronic balance
compound light microscope
TEM
SEM
What is the term for a group of organisms of one type living in the same place?
population
environment
ecosystem
biosphere
Which of the following variables present in Redi's experiment on spontaneous generation is NOT a controlled variable?
gauze covering that keeps flies away from meat
types of jars used
types of meat used
temperature at which the jars were stored
In the metric system, the basic unit of length is the ____.
kilometer
centimeter
meter
millimeter
In sciene, a hypothesis is useful only if ____.
it can be tested
it is proven correct
it can be proven incorrect
the explanation is already known
An instrument that allows light to pass through the specimen and uses two lenses to form an image is a/an ____.
TEM
SEM
electron microscope
compound light microscope
Which of the following is NOT a characteristic of all living things?
ability to move
response to the environment
ability to reproduce
growth and development
What is the term given to a gorup of cells that develops from a single original cell?
community
nutrient solution
cell culture
cell fractionation
The process by which organisms keep their internal conditions fairly constant is called ____.
If in doubt about any part of an activity, trust your instincts.
Read all the steps in your activity before doing it.
Following your teacher's instructions.
Follow the textbook directions exactly.
Biology is the study of ____.
the land, water, and air on Earth.
the environment.
animals and plants only.
the living world.
Which level of organization includes all of the other levels?
organism
population
community
ecosystem
What technique is used to separate different cell parts?
microscopy
cell culture
cell fractionation
all of the above
A controlled experiment allows the scientist to isolate and test ____.
several variables
a mass of information
a conclusion
a single variable
