Introduction to Biology and Scientific Method

What is biology primarily defined as?

• The study of natural phenomena
• The study of life
• The study of scientific methods
• The study of experiments

Tags

NGSS.MS-LS4-1

Which of the following is NOT a branch of biology?

• Paleontology
• Astronomy
• Microbiology
• Genetics

In a scientific experiment, what is the dependent variable?

• The variable that remains constant
• The variable we manipulate
• The variable that responds to changes
• The control group variable

What type of data would be considered quantitative?

• The color of a flower
• The texture of a leaf
• The number of petals
• The shape of a stem

Tags

NGSS.HS-LS3-3

What is a hypothesis?

• A proven fact
• A testable prediction
• A final conclusion
• A random guess

Tags

NGSS.HS-PS1-2

What characterizes a scientific theory?

• It is an absolute truth
• It cannot be tested
• It needs no evidence
• It is well-tested and supported by data

Tags

NGSS.HS-PS4-3

What is the first step in the scientific method?

• Form a hypothesis
• Make observations
• Conduct an experiment
• Analyze data

How is the mean calculated in a data set?

• Finding the middle number
• Finding the most common number
• Adding all numbers and dividing by total count
• Subtracting lowest from highest number

Which of the following best describes qualitative data?

• Data measured in numbers

• Data describing characteristics or qualities

• Data showing trends over time

• Data used for mathematical calculations

What is the purpose of a control group in an experiment?

• To manipulate the independent variable

• To analyze the dependent variable

• To provide a baseline for comparison

• To test the hypothesis