Question 1

Which of the following is NOT a property shared by all living organisms?

Accepted Answer

Ability to move independently

Question 2

A scientist observes that a plant closes its leaves when touched. Which property of life does this best illustrate?

Accepted Answer

Sensitivity or response to the environment

Question 3

Which of the following correctly lists the hierarchy of biological organization from smallest to largest?

Accepted Answer

Atom → Molecule → Organelle → Cell → Tissue → Organ → Organism → Population → Community → Ecosystem → Biosphere

Question 4

Which of the following is a feature found in ALL cells?

Accepted Answer

Ribosomes

Question 5

A bacterium is observed under a microscope. It lacks a nucleus and has a cell wall. Which type of cell is this?

Accepted Answer

Prokaryotic cell

Question 6

Which of the following statements about eukaryotic cells is TRUE?

Accepted Answer

They contain membrane-bound organelles.

Question 7

Which of the following best describes homeostasis?

Accepted Answer

The maintenance of a stable internal environment

Question 8

A dog gives birth to puppies. Which property of life does this event best illustrate?

Accepted Answer

Reproduction

Question 9

Which of the following is an example of energy processing in living organisms?

Accepted Answer

A plant converting sunlight into glucose during photosynthesis

Question 10

Which of the following is the correct scientific name for the common dog using binomial nomenclature?

Accepted Answer

Canis familiaris

Question 11

Which domain includes organisms with cells that contain a true nucleus?

Accepted Answer

Eukarya

Question 12

A scientist wants to test the effect of sunlight on plant growth. Which is the independent variable in this experiment?

Accepted Answer

Amount of sunlight

Question 13

Which of the following is a macromolecule essential for storing genetic information?

Accepted Answer

DNA

Question 14

Which of the following best describes biodiversity?

Accepted Answer

The variety of life and its processes

Question 15

Which of the following is NOT a requirement for a scientific hypothesis?

Accepted Answer

It must be proven true

Question 16

A researcher is designing an experiment to test a new drug. Which of the following is most important to avoid bias?

Accepted Answer

Randomly assigning subjects to control and experimental groups

Question 17

Which of the following best explains why viruses are not considered living organisms?

Accepted Answer

They cannot carry out metabolic processes on their own

Question 18

Which of the following is an example of regulation in living organisms?

Accepted Answer

A human sweating to cool down on a hot day

Question 19

Which of the following is a correct statement about the phylogenetic tree of life?

Accepted Answer

It shows evolutionary relationships among Bacteria, Archaea, and Eukarya

Question 20

A student observes that a frog jumps away when approached. Which property of life does this behavior best demonstrate?

Accepted Answer

Sensitivity or response to the environment

Introduction to Biology: Properties of Life, Cell Structure, and Biological Organization

Study Guide - Practice Questions