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Biology class

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Biology Ch. 1 Test

Pregunta 1 de 25

1

Which of the following is NOT a goal of science?

Selecciona una de las siguientes respuestas posibles:

  • to investigate and understand the natural world

  • to explain events in the natural world

  • to establish a collection of unchanging truths

  • to use derived explainations to make useful predictions

Explicación

Pregunta 2 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • a conclusion.

  • a hypotheses.

  • an experiment.

  • an analysis.

Explicación

Pregunta 3 de 25

1

Information gathered from observing a plant grow 3cm over a two-week period is called

Selecciona una de las siguientes respuestas posibles:

  • inferences.

  • variables.

  • hypotheses.

  • data.

Explicación

Pregunta 4 de 25

1

Science is best described as a

Selecciona una de las siguientes respuestas posibles:

  • set of facts.

  • way of knowing.

  • collection of beliefs.

  • list of rules.

Explicación

Pregunta 5 de 25

1

The work of scientists usually begins with

Selecciona una de las siguientes respuestas posibles:

  • testing a hypothesis.

  • careful observations.

  • creating experiments.

  • drawing conclusions.

Explicación

Pregunta 6 de 25

1

A scientific hupothesis

Selecciona una de las siguientes respuestas posibles:

  • can be based on personal beliefs or opinions.

  • can be tested by experiments or observations.

  • does not have to be tested to be accepted as correct.

  • is a proven fact with much evidence to support it.

Explicación

Pregunta 7 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • facts.

  • testing explanations.

  • observations.

  • theories.

Explicación

Pregunta 8 de 25

1

A theory

Selecciona una de las siguientes respuestas posibles:

  • is always true.

  • is the opening statement of an experiment.

  • may be revised or replaced.

  • is a problem to be solved.

Explicación

Pregunta 9 de 25

1

How does sharing ideas through peer-reviewed articles help advance science?

Selecciona una de las siguientes respuestas posibles:

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

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

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

  • Ideas in the articles always support and strengthen dominant theories.

Explicación

Pregunta 10 de 25

1

How does studying science help you be a better member of society?

Selecciona una de las siguientes respuestas posibles:

  • Learning the biases of science will help you know what is right or wrong.

  • Understanding how science works will help you make better decisions.

  • Memorizing science facts will help you become more intelligent.

  • Knowing science will help you live without the aid of technology.

Explicación

Pregunta 11 de 25

1

A well-tested explanation that is accepted as the dominant belief is

Selecciona una de las siguientes respuestas posibles:

  • a hypothesis.

  • an inference.

  • a theory.

  • a controlled experiment.

Explicación

Pregunta 12 de 25

1

Which of the following characteristics of living things best explains why some North American birds fly south for the winter?

Selecciona una de las siguientes respuestas posibles:

  • Living things respond to their environment.

  • Living things maintain internal balance.

  • Living things are made up of units called calls.

  • Living things are based on a universal genetic code.

Explicación

Pregunta 13 de 25

1

A personal preference or point of view is

Selecciona una de las siguientes respuestas posibles:

  • a bias.

  • a theory.

  • a hypothesis

  • an inference.

Explicación

Pregunta 14 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • homeostasis.

  • evolution.

  • metabolism.

  • photosynthesis.

Explicación

Pregunta 15 de 25

1

The basic unit of length in the metric system is the

Selecciona una de las siguientes respuestas posibles:

  • foot.

  • mile.

  • yard.

  • meter.

Explicación

Pregunta 16 de 25

1

Which of the following is NOT a characteristic of all living things?

Selecciona una de las siguientes respuestas posibles:

  • growth and development

  • ability to run

  • response to the enviroment

  • ability to reproduce

Explicación

Pregunta 17 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • Science provides answers to some of society's practical problems.

  • Science gives society answers to difficult ethical issues.

  • Science advances technology that is useful to society.

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

Explicación

Pregunta 18 de 25

1

What are the smallest living objects that biologist study?

Selecciona una de las siguientes respuestas posibles:

  • cells

  • body organs

  • atoms

  • organisms

Explicación

Pregunta 19 de 25

1

A scientist discovers an important breakthrough in cancer treatment. The scientist thinks the information could save thousands of lives and immediately announces the results on national television, skipping peer-review. How might other scientists react to this news?

Selecciona una de las siguientes respuestas posibles:

  • They will be skeptical because the report was not peer-reviewed.

  • They will quickly start to use the new treatment on their patients.

  • They will congratulate the scientist for the discovery.

  • They will denounce the work and call the scientist a fraud.

Explicación

Pregunta 20 de 25

1

During a controlled experiment, a scientist isolates and tests

Selecciona una de las siguientes respuestas posibles:

  • a conclusion.

  • a mass of information.

  • a control group.

  • a single variable.

Explicación

Pregunta 21 de 25

1

Using a universal system of measurement is MOST important during which part of the scientific method?

Selecciona una de las siguientes respuestas posibles:

  • Asking questions.

  • Forming a hypothesis.

  • Collecting data.

  • Drawing conclusions.

Explicación

Pregunta 22 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • reject the hypothesis right away.

  • change the hypothesis to fit their own findings.

  • design new experiments to test the proposed hypothesis.

  • assume that the hypothesis is true for all viruses.

Explicación

Pregunta 23 de 25

1

The standard or English system of measurement uses units such as yards, miles, quarts, and gallons. The metric system uses units such as meter, kilometers, milliliters, and liters. Why is the metric system easier to use than the English system?

Selecciona una de las siguientes respuestas posibles:

  • Metric units are easier to measure than English units.

  • The metric system is based on multiples of 10.

  • The metric system is used by everyone in the world.

  • Metric units are smaller than English units.

Explicación

Pregunta 24 de 25

1

Why is creativity considered a scientific attitude?

Selecciona una de las siguientes respuestas posibles:

  • Scientists need creativity to make good posters.

  • Creativity helps scientists come up with new and interesting experiments.

  • Creative scientists imagine the results of experiments without doing them.

  • Scientists who are creative are better at handling and training animals.

Explicación

Pregunta 25 de 25

1

Which of the following is a question that can be answered by science?

Selecciona una de las siguientes respuestas posibles:

  • What is beauty?

  • Is it ethical to do experiments on animals?

  • What type of water will allow for the most plant growth?

  • Do people watch too much television?

Explicación

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