Question 1

Which of the following is NOT one of the eight characteristics of life shared by all living organisms?

Accepted Answer

Ability to move independently

Question 2

A scientist discovers a new organism that is made up of a single cell, can reproduce on its own, and maintains a stable internal environment. Which domain is this organism most likely to belong to?

Accepted Answer

Bacteria

Question 3

Which of the following best describes homeostasis?

Accepted Answer

Maintaining a constant internal environment despite external changes

Question 4

Which of the following statements about viruses is correct when comparing them to living organisms?

Accepted Answer

Viruses lack cellular organization and cannot carry out metabolism on their own

Question 5

Which of the following is an example of an organism responding to its environment?

Accepted Answer

A plant bending toward a light source

Question 6

Which of the following best explains why multicellular organisms have specialized cells?

Accepted Answer

Specialization allows cells to perform specific functions efficiently, supporting the organism's survival

Question 7

Which of the following is a correct application of the cell theory?

Accepted Answer

All living things are composed of one or more cells

Question 8

A student is investigating whether a mysterious substance is alive. Which of the following observations would provide the strongest evidence that the substance is living?

Accepted Answer

It grows and develops over time

Question 9

Which of the following is an example of adaptation through evolution?

Accepted Answer

A population of insects developing resistance to a pesticide over several generations

Question 10

Which of the following best describes metabolism in living organisms?

Accepted Answer

The sum of all chemical reactions that obtain and use energy

Question 11

A biologist is classifying a newly discovered organism. It is multicellular, has cell walls, and performs photosynthesis. To which kingdom does it most likely belong?

Accepted Answer

Plantae

Question 12

Which of the following is a real-world example of homeostasis in humans?

Accepted Answer

Sweating to cool the body when overheated

Question 13

Which of the following is a correct statement about the domains of life?

Accepted Answer

Eukarya includes all organisms with eukaryotic cells

Question 14

Which of the following best illustrates the concept of growth and development in living organisms?

Accepted Answer

A caterpillar transforming into a butterfly

Question 15

Which of the following is a key difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus, while prokaryotic cells do not

Question 16

A scientist observes that a certain organism can only reproduce when inside a host cell and does not have a cellular structure. Which of the following is the best classification for this organism?

Accepted Answer

Virus

Question 17

Which of the following is an example of asexual reproduction?

Accepted Answer

A bacterium dividing by binary fission

Question 18

Which of the following best explains why all living things must have a universal genetic code?

Accepted Answer

It ensures that genetic information can be passed from one generation to the next

Question 19

A researcher is testing a hypothesis about how temperature affects the rate of enzyme activity in bacteria. Which step of the scientific method is the researcher performing?

Accepted Answer

Developing and testing a hypothesis

Question 20

Which of the following scenarios best demonstrates the concept of adaptation through evolution?

Accepted Answer

A population of finches developing different beak shapes to exploit different food sources over generations

Nature of Science: Characteristics of Life (Unit 1 - Lesson 3)

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