Biology Final Exam Review

An amoeba is unicellular; therefore, it is an organism.

• true

• false

Tags

NGSS.MS-LS1-1

Tasha is testing the effect of blue-colored light on the growth of tomato plants. Which is the independent variable in this experiment?

• light intensity

• amount of light

• light color

• temperature of light

A researcher is interested in the effects of nitrate and phosphate on plant growth and sets up an experiment in which groups of five plants are given 1, 2, and 3 grams of nitrate and 1, 2, and 3 grams of phosphate in all combinations over a period of one month. The researcher measures plant height and weight at the end of the experiment.

What is missing in this experimental design?

• an independent variable

• a dependent variable

• a constant

• a control

Which best describes the difference between an observation and an inference?

• An observation is a conclusion; an inference is a hypothesis.

• You make an inference before you make observations.

• An observation is based on evidence, an inference is not.

• You can record an observation; an inference is an idea.

Tags

NGSS.HS-PS1-3

In an experiment testing the effect of magnetic fields on germination in a plant, the seeds exposed to the normal magnetic field of Earth would be described as the __________.

• independent variable

• dependent variable

• experimental group

• control group

Tags

NGSS.HS-PS3-5

Which of the following correctly sequences the steps of the scientific method?

• form a hypothesis, observe, investigate a testable question, collect and analyze data, state results

• design and conduct an investigation based on a testable question, form a hypothesis, collect data, state findings

• question, observe, explain, design and conduct experiment, collect and analyze data, report findings

• observe, question, make a testable explanation, experiment, collect and analyze data, state findings

Students in a biology class ran an experiment on a type of flowering plant. Their goal was to find the optimal time in the plant's life for flowering. What time period will provide the most flowering plants? Use Table 1-1 to determine your answer.

• 7-8 days

• 5-6 days

• 8-9 days

• 6-7 days

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-4

Which best describes the purpose of science?

• to propose solutions to political issues

• to solve the ethical problems of society

• to debate the meaning of life

• to explain the nature of things

A person studying a topic is presented with new information that conflicts with previous findings. What would a scientist do in this situation?

• keep the new information to himself

• evaluate the new information

• argue against the new information

• ignore the new information

Tags

NGSS.HS-LS2-6

In the peer-review process for a report of the results of a study on the ecology of honeybees, who would be an appropriate reviewer?

• a biologist studying insects

• a university president

• a politician that knew about bees

• a physicist that keeps bees

Tags

NGSS.HS-LS4-5