Biology Quiz

Which one of the following choices represents a possible hypothesis for Marshall's experiment?

• If a patient is infected by Helicobacter pylori, then they will get an ulcer.

• If a person takes an antibody, then they will not develop an ulcer.

• Does Helicobacter pylori cause stomach ulcers in people?

• Does exposure to infectious bacterial cells make people sick?

A broad body of evidence, subject to revisions, supported by different kinds of scientific investigations and often involving the contributions of scientists from different disciplines is necessary to develop

• an inference

• a prediction

• a fact

• a theory

Tags

NGSS.HS-ESS2-7

NGSS.HS-LS4-1

NGSS.HS-LS4-2

An experiment is carried out to determine how different pH values of soil will affect the growth of tomato plants. In this experiment, the dependent variable could be the

• pH of the soil

• height of the tomato plants

• pH of enzymes in tomato leaf cells

• specific variety of tomato plants used

Tags

NGSS.MS-LS1-5

Which activity would be an appropriate first step when designing an experiment?

• Repeating the experiment with a different hypothesis

• Creating a data table to organize experimental observations

• Reporting a conclusion based on multiple experimental trials

• Researching the problem, using information from a variety of sources

What is the volume of the liquid in the graduated cylinder shown below?

• 28 mL

• 23 mL

• 27 mL

• 26 mL

Which one of the following should not be done before forming a hypothesis?

• Stating the problem

• Running an experiment

• Gathering all available information on the problem

• Doing some research

How tall is the moss plant shown in centimeters (cm)?

• 15 cm

• 1.5 cm

• 1,500 cm

• 150 cm

What is the main chemical synthesized by poison ivy that causes skin rashes?

• Chlorophyll

• Urushiol

• Carbon dioxide

• Oxygen

What should be stated as part of the experiment design for poison ivy?

• The color of the leaves

• The hypothesis the experiment would test

• The type of soil used

• The time of day the experiment is conducted

Tags

NGSS.MS-ETS1-1

What is one safety precaution that should be taken during the poison ivy experiment?

• Wearing gloves to avoid skin contact

• Using a fan to circulate air

• Keeping the plants in a dark room

• Watering the plants daily