Question 1

Which of the following is NOT one of the seven characteristics of life?

Accepted Answer

Ability to photosynthesize

Question 2

Which statement best describes homeostasis?

Accepted Answer

The tendency of an organism to maintain a stable internal environment

Question 3

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

Accepted Answer

Cell $\rightarrow$ tissue $\rightarrow$ organ $\rightarrow$ organ system $\rightarrow$ organism

Question 4

Which domain includes organisms with cells that have a nucleus?

Accepted Answer

Eukarya

Question 5

What is the main difference between a hypothesis and a scientific theory?

Accepted Answer

A hypothesis is an educated guess based on prior knowledge and observation, while a theory is an explanation of natural events based on many observations and experiments

Question 6

Why is water considered a 'universal solvent'?

Accepted Answer

Its unique polar molecular structure allows it to dissolve a wide variety of substances

Question 7

What happens to the pH of a solution when the concentration of $[H^+]$ increases?

Accepted Answer

The pH decreases

Question 8

Which of the following is a function of the cytoskeleton in eukaryotic cells?

Accepted Answer

Moving organelles and altering cell shape

Question 9

Which organelle is known as the 'powerhouse of the cell' and why?

Accepted Answer

Mitochondria, because it produces ATP from organic macromolecules

Question 10

Which macromolecule contains genetic information?

Accepted Answer

Nucleic acids

Question 11

Which of the following best describes dehydration synthesis?

Accepted Answer

Forming a covalent bond by removing a water molecule

Question 12

Which functional group is found in amino acids but not carbohydrates?

Accepted Answer

Amino group

Question 13

Which of the following is a correct example of binomial nomenclature?

Accepted Answer

Homo sapiens

Question 14

Which of the following statements about saturated and unsaturated fats is TRUE?

Accepted Answer

Saturated fats have no double bonds and are usually solid at room temperature

Question 15

Which organelles are part of the endomembrane system?

Accepted Answer

Nuclear envelope, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles

Question 16

Why is compartmentalization important in eukaryotic cells?

Accepted Answer

It increases efficiency and specialization by creating separate, membrane-bound organelles for specific functions

Question 17

Which of the following best explains the role of ATP in cells?

Accepted Answer

ATP is an energy carrier molecule

Question 18

Which of the following is NOT a function of proteins?

Accepted Answer

Energy storage

Question 19

Which of the following best describes the secondary structure of a protein?

Accepted Answer

Regular repeating coiling and folding of a polypeptide backbone stabilized by hydrogen bonding

Question 20

Which of the following statements about prokaryotic and eukaryotic cells is correct?

Accepted Answer

Eukaryotic cells have DNA within the nucleus

General Biology Study Guide: Introduction to Life, Chemistry of Life, Macromolecules, and Cell Structure

Study Guide - Practice Questions

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