Which of the following is NOT considered a safety procedure?

If in doubt about the activity, trust your instincts.

A scientific theory is

a well-tested explanation that unifies observations

Which of the following is NOT a goal of science?

c. to use data to support a particular point of view

The work of scientists begins with

careful observations to identify a problem.

Which of the following conclusions is supported by the data in the graph?

The optimum pH of the enzyme is 6.6.

Safety procedures are important when working

all of the answers are correct.

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Bio Ch 1: The Science of Biology #1

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Mr Gordon

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Questions 15

Answers

1
A controlled experiment allows the scientist to isolate and test
a single variable
a mass of information
several variables
a conclusion
2
What number is represented by the prefix kilo-?
100
1/100
1000
1/1000
3
Which of the following is NOT considered a safety procedure?
If in doubt about the activity, trust your instincts.
No food or drink in a lab.
Read all the steps in your activity before doing it.
Follow your teacher’s instructions.
4
A scientific theory is
a well-tested explanation that unifies observations
the same as a hypothesis
the first step in a controlled experiment
the same as the conclusion of an experiment
5
Biology is the study of
the environment
the land, water, and air on Earth
living things
animals and plants only
6
Which of the following measurements are the same length? 250 cm, 25000 mm, 2.5 m.
They are all the same
250 cm = 2.5 m
25000 mm =2.5 m
250 cm = 25000 mm
7
Scientific hypotheses must be proposed in a way that
enables them to be tested.
doesn’t contradict previous hypotheses.
ensures that an experiment will be valid.
enables them to be proved valid.
8
Which of the following is NOT a goal of science?
d. to use conclusions to make useful predictions
c. to use data to support a particular point of view
a. to investigate and understand the natural world
b. to explain events in the natural world
9
The work of scientists begins with
creating experiments.
drawing conclusions.
careful observations to identify a problem.
testing a hypothesis.
10
Which of the following conclusions is supported by the data in the graph?
The enzyme’s activity continually increases as pH increases.
The optimum pH of the enzyme is 6.6.
The optimum pH of the enzyme is 5.8.
The enzyme’s activity is greater at pH 8.0 than at pH 5.0.
11
Safety procedures are important when working
all of the answers are correct.
in a laboratory.
with chemicals.
in the field.
12
26 Liters equals how many milliliters?
26,000 mL
2,600 mL
260,000 mL
260 mL
13
The process by which organisms keep their internal conditions fairly constant is called
photosynthesis
evolution
metabolism
homeostasis
14
Information gathered from observing a plant that grows 3 cm over a two-week period results in
inferences
hypotheses
variables
data
15
Which of the following is NOT a characteristic of all living things?
ability to reproduce
growth and development
response to the environment
ability to move

Bio Ch 1: The Science of Biology #1 Flashcards | StudBud