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The science of Biology Ch. Test A

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.

Science differs from other disciplines, such as history and the arts, because science relies on

a)

facts

b)

testing explanations

c)

observations

d)

theories

2.

Measurements made while observing a plant grow 3 cm over a two- week period are called

a)

inferences

b)

variables

c)

hypotheses

d)

data

3.

Based on your observations, you suggest that the presence of water could accelerate the growth of bread mold. This is

a)

A conclusion

b)

A hypothesis

c)

An experiment

d)

An analysis

4.

Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely

a)

reject the hypothesis

b)

change the hypothesis to fit their own findings

c)

design new experiments to test the proposed hypothesis

d)

assume that the hypothesis is true for all viruses

5.

Why is creativity considered a scientific attitude?

a)

Scientists need creativity to make good posters to explain their ideas

b)

Creativity helps scientists come up with different experiments

c)

Creative scientists imagine the results of experiments without doing them

d)

Scientists who are creative are better at handling and training animals

6.

Who reviews articles for peer-reviewed journals?

a)

friend of the scientists who wrote the articles

b)

anonymous and independent experts

c)

the scientists who did the experiments

d)

people who paid for the experiments

7.

How does sharing ideas through peer-reviewed articles do not need to be repeated

a)

Peer-reviewed articles are published only when the ideas they contain have been accepted by most scientists

b)

Experiments in peer-reviewed articles do not need to be repeated

c)

Scientists reading the articles may come up with new questions to study

d)

Ideas in the articles always support and strengthen dominant theories

8.

Suppose that a scientific idea is well-tested and can be used to make predictions in numerous new situations, but cannot explain one particular event. This idea is a

a)

hypothesis that is incorrect

b)

hypothesis that must be retested

c)

theory that should be discarded

d)

theory that may need revision

9.

How do scientific theories compare to hypotheses

a)

Theories are the same as hypotheses

b)

Theories unify a broad range of observations and hypotheses

c)

Hypotheses combine the ideas of several theories to explain events

d)

Hypotheses are the dominant view among scientists

10.

Which of the following is NOT a way that science influences society?

a)

Science provides answers to some of society's practical problems

b)

Science gives society answers to difficult ethical problems

c)

Science advances technology that is useful to society

d)

Science increases society's understanding of how people affect the environment

11.

Cells in multicellular organisms have many different sizes and shapes. These differences in cells are part of cell specialization. Cell specialization allows cells to

a)

reproduce

b)

perform different functions

c)

respond to their environment

d)

be less complex

12.

Which big idea in biology is MOST concerned with DNA

a)

information and heredity

b)

cellular basis of life

c)

matter and energy

d)

interdependence in nature

13.

What are the smallest objects that biologists study?

a)

cells

b)

body organs

c)

molecules

d)

organisms

14.

The basic unit of length in the metric system is the

a)

gram

b)

liter

c)

yard

d)

meter

15.

How many meters are in 2.4km

a)

240

b)

2400

c)

24,000

d)

240,000

16.

An experiment in which only one variable is changed is a(an) _____________ experiment

a)

controlled

b)

peer-reviewed

c)

open-minded

d)

3

17.

A biologists reads about a study in a peer-reviewed journal where the results do not agree with her research. This scientists must remain _____________ and think about how those results might affect her own work

a)

skepticism

b)

open-minded

c)

curiosity

d)

calm

18.

A article that is undergoing ____________ is read carefully and checked by other scientists

a)

review

b)

peer-review

c)

work

d)

correction

19.

Every living thing is made up of a set of body parts. Each body part, or structure, has a certain job or____________

a)

part

b)

function

c)

duty

d)

movement

20.

A mass of 3000 is equal to ______ kg.

a)

30

b)

3

c)

-3

d)

3000

21.

The process by which organisms keep everything inside their bodies within certain limits is called

a)

Homeostasis

b)

Evolution

c)

Metabolism

d)

Photosynthesis

22.

In Figure 1-1, which rabbit is the control

a)

Rabbit A

b)

Rabbit B

23.

Would a scientists who studies evolution also have to learn about other branches of biology? Why or why not

a)

Yes; the other branches of biology are more important

b)

Yes; the different branches of biology are interrelated

c)

No; the other branches of biology do not affect evolution

d)

No; each branch of biology is separate from the others

24.

Biologists who work in the fields of genomics and molecular biology study

a)

the biosphere

b)

diseases

c)

DNA

d)

trees

25.

Scientists often try to repeat each other's results. Which of the following should a scientists do to make it easier for others to replicate his or her experiment?

a)

Not use a control to save time

b)

Collect only one set of data

c)

Skip peer-review so the results are available sooner

d)

Use the metric system when communicating procedures and results