Question 1

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

Accepted Answer

The study of life

Question 2

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

Accepted Answer

Response to stimuli

Question 3

Which of the following correctly lists the hierarchy of biological organization from smallest to largest?

Accepted Answer

Atom → Organelle → Cell → Tissue → Organ → Organ System → Organism → Population → Community → Ecosystem → Biosphere

Question 4

Emergent properties are best described as:

Accepted Answer

Properties that arise only when smaller parts are organized into a higher level

Question 5

At which level of biological organization does life first emerge?

Accepted Answer

Cellular level

Question 6

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

Accepted Answer

All of the above

Question 7

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

Accepted Answer

Evolution by natural selection

Question 8

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

Accepted Answer

Taxonomy

Question 9

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

Accepted Answer

Kingdom Eubacteria

Question 10

Autotrophs are organisms that:

Accepted Answer

Obtain energy from sunlight or inorganic chemicals

Question 11

Which of the following best describes the scientific method?

Accepted Answer

A flexible process involving observation, hypothesis, experimentation, analysis, and conclusion

Question 12

In an experiment testing the effect of fertilizer on plant growth, which is the independent variable?

Accepted Answer

Amount of fertilizer applied

Question 13

A scientist observes that a new antibiotic kills bacteria in a petri dish. What is the next step in the scientific method?

Accepted Answer

Formulate a hypothesis

Question 14

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

Accepted Answer

All cells arise spontaneously

Question 15

In an experiment, the variable that is measured by the researcher is called the:

Accepted Answer

Dependent variable

Question 16

A group of students wants to test the effect of different types of music on plant growth. They play classical music for one group, rock music for another, and no music for a third group. What is the control group?

Accepted Answer

The group with no music

Question 17

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

Accepted Answer

A test result that indicates a disease is present when it is not

Question 18

Which of the following is an example of a negative control in an experiment?

Accepted Answer

A group that receives no treatment or a placebo

Question 19

Which of the following best describes evolution?

Accepted Answer

A change in the genetic makeup of a population over generations

Introduction to Biology: Life on Earth – Key Concepts and Scientific Foundations Kiran

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