Electron microscopes can reveal details

1000 times smaller than those visible in light microscopes

Which of the following make up a molecule of water?

2 atoms of hydrogen and 1 atom of oxygen

Which of the following is NOT a goal of science?

to use data to support a particular point of view

The three particles that make up atoms are

Protons, neutrons, and electrons

may be disproved by a single experiment

The work of Schleiden and Schwann can be summarized by saying that

All plants and animals are make of cells

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Biology Final Review

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Questions 25

Answers

1
Which of the following is NOT a principle of the cell theory?
All living things are made of cells
All cells are reduced by existing cells
Very few cells reproduce
Cells are the basic units of life
2
Which of the following describes a substance formed by the combination of 2 or more elements?
Enzyme
Compound
Nucleus
Isotope
3
Electron microscopes can reveal details
The same size as those visible in light microscopes
1000 times smaller than those visible in light microscopes
100 times larger than those visible in light microscopes
100 times smaller than those visible in light microscopes
4
Science differs from other disciplines, such as history and the arts, because science relies on
Theories
Testing explanations
Observations
Facts
5
In science, a hypothesis is useful only if
The explanation is already known.
It is proven correct
It can be tested
It can be proven incorrect
6
Who was one of the first people to identify and see cork cells?
Robert Hooke
Anton van Leeuwenhoek
Rudolf Virchow
Matthias Schledien
7
You suggest that the presence of water could accelerate the growth of bread mold. This is a
hypothesis
analysis
experiment
conclusion
8
The cell theory applies to
plants and animals
All of the above
multicellular organisms
bacteria
9
The work of scientists usually begins with___________.
Careful observations
Creating experiments
Drawing conclusions
Testing a hypothesis
10
Which of the following is a valid hypothesis for why a plant appears to be dying?
Not being watered enough.
All of the above
Received too much sunlight
Being watered too much
11
If an atom contains 11 protons and 12 neutrons, its atomic number is
11
23
1
12
12
Democritus believed that atoms
could not be divided
could be divided
were composed of electrons
were composed of protons
13
Which of the following make up a molecule of water?
2 atoms of hydrogen and 1 atom of oxygen
1 atom of hydrogen and 2 atoms of oxygen
1 atom of sodium and 2 atoms of oxygen
1 atom of hydrogen and 1 atom of oxygen
14
Which of the following is NOT a goal of science?
to explain events in the natural world
to use derived explanations to make useful predictions
To investigate and understand the natural world
to use data to support a particular point of view
15
Isotopes are atoms of the same element with the same number of protons and
same number of neutrons
different number of molecules
different number of neutrons
different number of electrons
16
The three particles that make up atoms are
Neutrons, isotopes, and electrons
Protons, neutrons, and electrons
Positives, negatives, and electrons
Protons, neutrons and isotopes
17
Which of the following is a used of radioactive isotopes?
"tracers" to follow the movement of substances in organisms
to treat cancer and kill bacteria that causes food spoilage
determine the age of rocks and fossils
All of the above
18
A hypothesis
is a proven fact
can be completely proven
may be disproved by a single experiment
doesnt have to be tested to be accepted as probably correct
19
The work of Schleiden and Schwann can be summarized by saying that
All plants and animals are make of cells
All animals are made of cells
All plants are made of cells
Plants and animals have specialized cells
20
Hypotheses may arise from
All of the above
Informed, creative imagination
Logical inferences
Prior knowledge
21
The nucleus is made up of
Protons, neutrons, and electrons
Protons and neutrons
Electrons and neutrons
Protons and electrons
22
If a chlorine atom had 17 protons and 18 neutrons, it would be called
Chlorine-1
Chlorine-17
Chlorine-18
Chlorine-35
23
Information gathered from observing a plant grow 3 cm over a 2 week period results in
Data
Hypothesis
Inferences
Variables
24
The space surrounding the nucleus of an atom contains
Protons
Neutrons
Ions
Electrons
25
Which of the following is NOT a part of how scientists work?
Hypothesizing
Guessing
Experimenting
Observing

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