Q: Which of the following equations represents cellular respiration, a process by which living things use energy?

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{energy}$$

Question 1

Which of the following best describes the primary focus of biology as a scientific discipline?

Accepted Answer

The scientific study of life and living organisms

Question 2

Which of the following is NOT considered a fundamental characteristic of living things?

Accepted Answer

Ability to photosynthesize

Question 3

Homeostasis in living organisms is best defined as:

Accepted Answer

Maintaining organization and complexity using as little energy as possible

Question 4

Which of the following scenarios best illustrates the concept of homeostasis?

Accepted Answer

A human sweating to cool down when overheated

Question 5

Which of the following statements about viruses is most accurate according to current biological understanding?

Accepted Answer

Viruses are not considered alive because they cannot carry out metabolism on their own

Question 6

COVID-19 is caused by which of the following agents?

Accepted Answer

A virus called SARS-CoV-2

Question 7

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 8

Which of the following best explains why DNA is considered a universal feature of living things?

Accepted Answer

DNA stores genetic information necessary for growth, reproduction, and evolution

Question 9

A scientist observes that a population of bacteria develops resistance to an antibiotic over several generations. Which property of life does this best illustrate?

Accepted Answer

Capacity to evolve

Question 10

Which of the following is a real-world example of an organism responding to stimuli?

Accepted Answer

A tree shedding its leaves in autumn

Question 11

Given the equation for photosynthesis: $$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$, which property of life does this process best exemplify?

Accepted Answer

Acquiring and using energy

Question 12

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

Accepted Answer

Bacteria and Archaea are both prokaryotic domains

Question 13

A biologist discovers a new organism that can reproduce, respond to stimuli, and evolve, but cannot maintain homeostasis. According to the definition of life, how should this organism be classified?

Accepted Answer

As a non-living entity

Question 14

Which of the following best illustrates the importance of evolutionary relationships in biological classification?

Accepted Answer

Classifying organisms according to their evolutionary ancestry

Question 15

If a scientist is studying the effect of temperature on enzyme activity in bacteria, which property of life is most directly being investigated?

Accepted Answer

Response to stimuli

Question 16

Which of the following is a multi-step example of how living things acquire and use energy?

Accepted Answer

A plant absorbs sunlight, converts it to chemical energy via photosynthesis, and uses the glucose produced for cellular respiration

Question 17

Which of the following equations represents cellular respiration, a process by which living things use energy?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 ightarrow 6CO_2 + 6H_2O + 	ext{energy}$$

Question 18

Which of the following best explains why viruses are not classified within any of the three domains of life?

Accepted Answer

Viruses lack cellular structure and independent metabolism

Question 19

A student claims that all living things must be able to move. Which of the following best refutes this misconception?

Accepted Answer

Plants are living but do not move from place to place

Question 20

Which of the following real-world discoveries best demonstrates the diversity of life in the universe?

Accepted Answer

The confirmation of over 5,000 exoplanets in our galaxy

Survey of Biology: Introduction and Fundamental Concepts

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