Question 1

Which of the following best describes the term 'biology' based on its word roots?

Accepted Answer

The study of life

Question 2

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

Accepted Answer

Cell

Question 3

Which of the following is NOT a characteristic of life?

Accepted Answer

Ability to establish a constant internal temperature in all environments

Question 4

In the hierarchy of biological organization, which of the following correctly orders the levels from smallest to largest?

Accepted Answer

Organelles → Tissues → Organ System → Population → Ecosystem

Question 5

Which of the following best illustrates the concept of 'emergent properties'?

Accepted Answer

Cells are made of simple molecules, but when organized together, these molecules can perform living functions

Question 6

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

Accepted Answer

The cellular level

Question 7

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

Accepted Answer

Taxonomy

Question 8

Which of the following kingdoms is NOT part of the Eukaryotic Domain?

Accepted Answer

Kingdom Eubacteria

Question 9

Biologists can divide living organisms into two groups: autotrophs and heterotrophs, which differ in:

Accepted Answer

Their method of obtaining energy

Question 10

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 11

A scientist observes that even after sterilizing a broth, cells reappear in the broth over time. The scientist then asks: 'Why do cells reappear in the broth after sterilization?' and designs/conducts an experiment. Which of the following is a hypothesis?

Accepted Answer

Cells appear only when preexisting cells grow & divide; therefore, cells only appear in exposed broths

Question 12

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

Accepted Answer

All cells arise spontaneously

Question 13

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

Accepted Answer

Independent variable

Question 14

The temperature at which an alligator's egg is incubated will determine the sex of the offspring. The dependent and the independent variables in this experiment are:

Accepted Answer

Sex of the baby alligator and temperature respectively

Question 15

A scientific researcher designs an experiment to test the effectiveness of a new sleeping pill compared to the brand name product. Which of the following is an example of a negative control?

Accepted Answer

A sugar pill that should have no effect on the patient

Question 16

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? Is it a positive or negative control group?

Accepted Answer

Group D

Question 17

Which of the following best describes a false positive in an experiment?

Accepted Answer

An outcome that falsely indicates the presence of a result

Question 18

Which of the following is an example of an autotroph?

Accepted Answer

A green plant

Question 19

Which of the following best describes the relationship between energy and matter in an ecosystem?

Accepted Answer

Matter cycles and energy flows in one direction

Question 20

Which of the following is the correct order of taxonomic categories from most inclusive to least inclusive?

Accepted Answer

Domain → Kingdom → Phylum → Class → Order → Family → Genus → Species

Introduction to Human Biology: Science, Life, and Experimental Design

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