Q: Which equation correctly represents the process of cellular respiration?

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

Question 1

Which of the following best describes an organism?

Accepted Answer

A living entity that can acquire and use energy, process information, replicate, and evolve.

Question 2

Louis Pasteur's experiment disproved the theory of spontaneous generation by demonstrating that:

Accepted Answer

Cells arise only from pre-existing cells, not spontaneously.

Question 3

Which of the following is NOT one of the five fundamental characteristics of life?

Accepted Answer

Ability to photosynthesize

Question 4

A scientist observes that a population of bacteria increases in number every 20 minutes. This is an example of which fundamental characteristic of life?

Accepted Answer

Replication

Question 5

Which statement best explains why viruses are not considered living organisms?

Accepted Answer

They cannot replicate independently without a host cell.

Question 6

Which of the following is a correct example of homeostasis?

Accepted Answer

A human maintaining a stable internal body temperature despite external temperature changes.

Question 7

Which of the following best describes the difference between a scientific theory and a hypothesis?

Accepted Answer

A theory is a broad explanation supported by evidence; a hypothesis is a testable prediction.

Question 8

Which of the following is an example of pseudoscience?

Accepted Answer

A claim that cannot be tested or falsified by scientific methods.

Question 9

In the taxonomic classification system, which is the correct order from broadest to most specific?

Accepted Answer

Domain, Kingdom, Phylum, Species

Question 10

Which domain includes organisms that lack a nucleus and are often found in extreme environments?

Accepted Answer

Archaea

Question 11

A scientist wants to test whether a new fertilizer increases plant growth. She sets up two groups: one with fertilizer and one without, and measures growth over time. What type of study is this?

Accepted Answer

Experimental study

Question 12

Which of the following is a heritable trait?

Accepted Answer

Eye color passed from parents to offspring

Question 13

Which equation correctly represents the process of cellular respiration?

Accepted Answer

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

Question 14

Which of the following best illustrates the concept of evolution?

Accepted Answer

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

Question 15

Which statement about the tree of life is correct?

Accepted Answer

It represents the evolutionary relationships among all living organisms.

Question 16

Which of the following is a correct scientific name using binomial nomenclature?

Accepted Answer

Homo sapiens

Question 17

A researcher collects data on bird migration patterns without manipulating any variables. This is an example of:

Accepted Answer

Observational study

Question 18

Which of the following best describes the use of the word 'theory' in science compared to everyday use?

Accepted Answer

In science, a theory is a well-supported explanation; in everyday use, it often means a guess.

Question 19

Which of the following is NOT a domain in the tree of life?

Accepted Answer

Protista

Foundations of Biology: Key Concepts, Theories, and Scientific Methods

Study Guide - Practice Questions

Study Guide - Flashcards