Question 1

Which of the following best describes the term 'biology'?

Accepted Answer

The scientific study of life and living organisms

Question 2

Which of the following is the smallest, most fundamental unit of life?

Accepted Answer

Cell

Question 3

A scientist observes that a plant bends toward light. Which characteristic of life does this best illustrate?

Accepted Answer

Response to environmental stimuli

Question 4

Which of the following is NOT a characteristic shared by all living organisms?

Accepted Answer

Multicellularity

Question 5

In the hierarchy of biological organization, which level comes directly after 'organ system'?

Accepted Answer

Organism

Question 6

Which of the following best exemplifies an emergent property?

Accepted Answer

Cells organized together to perform living functions not possible by individual molecules

Question 7

At which level of the organizational hierarchy does life first emerge?

Accepted Answer

Cellular level

Question 8

Which of the following is a requirement for natural selection to occur?

Accepted Answer

All of the above

Question 9

A population of insects develops resistance to a pesticide over several generations. This is an example of:

Accepted Answer

Evolution by natural selection

Question 10

Which branch of biology is primarily concerned with the naming and classifying of organisms?

Accepted Answer

Taxonomy

Question 11

Which of the following kingdoms is NOT part of the Eukarya domain?

Accepted Answer

Kingdom Eubacteria

Question 12

Autotrophs differ from heterotrophs in that autotrophs:

Accepted Answer

Obtain energy by making their own food

Question 13

Which of the following best describes the flow of energy in an ecosystem?

Accepted Answer

Energy enters as sunlight and is eventually lost as heat

Question 14

A scientist observes a new phenomenon and wonders how it happens. What is the next step in the scientific method?

Accepted Answer

Formulate a hypothesis

Question 15

Which of the following is the correct order of steps in the scientific method?

Accepted Answer

Observation → Hypothesis → Experiment → Data Analysis → Conclusion → Peer Review & Publish

Question 16

In an experiment to test the effect of temperature on bacterial reproduction rate, temperature would be the:

Accepted Answer

Independent variable

Question 17

A scientist wants to study the effects of nitrogen on wheat plants. They set up an experiment with 4 groups of plants: group A gets 20 pounds of nitrogen per acre, group B gets 40 pounds per acre, group C gets 60 pounds per acre, and group D gets 0 pounds per acre. Which of the following is the control group, and is it a positive or negative control?

Accepted Answer

Group D; negative control

Question 18

Which of the following statements about the cell theory is FALSE?

Accepted Answer

All cells arise spontaneously

Question 19

Which of the following best describes a dependent variable in an experiment?

Accepted Answer

A variable that is measured by the researcher

Question 20

Which of the following is an example of a false positive in an experiment?

Accepted Answer

A patient falls asleep after taking a sugar pill with no active ingredient

Biology: The Study of Scientific Life – Structured Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards