Question 1

Which of the following is NOT a characteristic that distinguishes living organisms from non-living things?

Accepted Answer

Ability to reproduce mountains and glaciers

Question 2

A scientist discovers a new organism that is unicellular, lacks a nucleus, and thrives in extreme environments. To which domain does this organism most likely belong?

Accepted Answer

Archaea

Question 3

Which of the following best describes metabolism in living organisms?

Accepted Answer

All chemical reactions occurring within cells

Question 4

Which macromolecule is NOT one of the four major types found in living organisms?

Accepted Answer

Silicates

Question 5

A population of bacteria exposed to a $$eta-$$lactam antibiotic develops resistance over time. Which characteristic of life does this scenario best illustrate?

Accepted Answer

Evolution

Question 6

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

Accepted Answer

Reabsorbing water from the kidneys to maintain fluid balance

Question 7

Which kingdom within the domain Eukarya contains organisms that are primarily photosynthetic and multicellular?

Accepted Answer

Plantae

Question 8

Which of the following best explains why living organisms require energy and raw materials?

Accepted Answer

To carry out metabolism, which includes all chemical reactions in cells

Question 9

A plant turns its leaves to face the sun throughout the day. Which characteristic of life does this behavior demonstrate?

Accepted Answer

Response to external environment

Question 10

Which of the following statements about cells is TRUE?

Accepted Answer

Cells are the smallest units that show all the characteristics of life

Question 11

Which of the following is the correct order of taxonomic classification for humans, from broadest to most specific?

Accepted Answer

Kingdom, Phylum, Class, Order, Species

Question 12

A scientist finds a fossil with a pelvis adapted for upright walking and a thumb capable of grasping objects. Which genus is this fossil most likely related to?

Accepted Answer

Homo

Question 13

Which of the following is an example of a population evolving?

Accepted Answer

A group of bacteria developing resistance to antibiotics over generations

Question 14

Which of the following is NOT a raw material required for metabolism in living organisms?

Accepted Answer

Sand

Question 15

Which of the following best describes the process of reproduction in living organisms?

Accepted Answer

Creating copies of one’s self

Question 16

Which of the following is a defining feature of humans compared to other primates?

Accepted Answer

Opposable thumbs for grasping objects

Question 17

Which of the following is an example of a chemical reaction involved in metabolism?

Accepted Answer

The breakdown of glucose to produce ATP: $$\mathrm{C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP}$$

Question 18

Which of the following domains includes organisms that are eukaryotic and can be unicellular or simple multicellular?

Accepted Answer

Eukarya

Question 19

Which of the following is a real-world example of a living organism responding to its environment?

Accepted Answer

A person shielding their eyes from the sun

Question 20

Which of the following best explains why mountains and glaciers do NOT meet the criteria for living organisms?

Accepted Answer

They do not reproduce or evolve

Chapter 1: The Character of Living Organisms – Characteristics and Classification of Life

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