Question 1

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

Accepted Answer

They are always visible to the naked eye.

Question 2

Homeostasis is best described as:

Accepted Answer

The process by which living things maintain organization and complexity using as little energy as possible.

Question 3

Which of the following scenarios best illustrates an organism responding to a stimulus?

Accepted Answer

A plant bending toward a light source.

Question 4

Which of the following is a reason why viruses are often not considered alive?

Accepted Answer

They do not maintain homeostasis.

Question 5

Biologists classify organisms based on their evolutionary relationships. Which of the following is NOT one of the three domains of life?

Accepted Answer

Protista

Question 6

Which of the following best describes the role of DNA in living organisms?

Accepted Answer

It stores genetic information necessary for reproduction and functioning.

Question 7

A lion eating a zebra is an example of which characteristic of life?

Accepted Answer

Acquiring and using energy

Question 8

Which of the following statements about COVID-19 is correct based on the study materials?

Accepted Answer

COVID-19 is caused by the SARS-CoV-2 virus.

Question 9

Which of the following best illustrates the concept of evolution?

Accepted Answer

The development of antibiotic resistance in bacteria over generations.

Question 10

Which of the following levels of biological organization is the most inclusive?

Accepted Answer

Biosphere

Question 11

Which of the following is an example of homeostasis in humans?

Accepted Answer

Sweating to cool down when overheated.

Question 12

Which of the following is a correct statement about the scientific study of biology?

Accepted Answer

It involves studying life using scientific methods to understand living systems.

Question 13

Which of the following is a real-world example of an organism acquiring and using energy?

Accepted Answer

A rabbit eating lettuce to fuel its metabolism.

Question 14

Which of the following best explains why biologists use evolutionary relationships to classify organisms?

Accepted Answer

It reflects the shared ancestry and genetic connections among organisms.

Question 15

Which of the following is NOT a requirement for something to be considered alive?

Accepted Answer

Ability to photosynthesize

Question 16

A scientist discovers a new organism that can reproduce, has DNA, and evolves, but cannot maintain homeostasis. According to the characteristics of life, is this organism considered alive?

Accepted Answer

No, because maintaining homeostasis is essential for life.

Question 17

Which of the following best describes why the discovery of exoplanets is significant to biology?

Accepted Answer

It expands the search for life beyond Earth, increasing our understanding of life's potential diversity.

Question 18

Which of the following is an example of a multi-step biological process involving several characteristics of life?

Accepted Answer

A plant absorbing sunlight (energy), growing, and producing seeds (reproduction).

Question 19

Which of the following statements about the domains of life is correct?

Accepted Answer

Eukarya includes all organisms with complex cells containing nuclei.

Question 20

Which of the following best describes the scientific approach to studying biology?

Accepted Answer

It involves observation, hypothesis formation, experimentation, and analysis.

Introduction to Biology: The Study of Life

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