Test Q: Practice Quiz for Exam Success

7 plus 8 equals 15, which makes '15' the correct answer. This question tests basic addition skills.

The word 'cat' is a noun because it names an animal. The other words function as a verb, preposition, and article.

At room temperature, water is in a liquid state. The other options represent different states of matter that water does not typically occupy under these conditions.

The Sahara Desert is located in Africa, making it the correct answer. This is a fundamental geographical fact.

George Washington served as the first President of the United States. Understanding historical milestones like this is essential in history.

Subtracting 3 from both sides gives 2x = 8, so dividing by 2 yields x = 4. This problem tests basic algebraic manipulation.

Carbon is the element with an atomic number of 6. Atomic numbers uniquely identify elements and their position in the periodic table.

William Shakespeare wrote 'Romeo and Juliet,' a play that is a cornerstone of English literature. His work is studied for its language and dramatic construction.

Mitochondria are responsible for energy production in cells, which is why they are called the powerhouse. Recognizing cell structures is a key concept in biology.

The assassination of Archduke Franz Ferdinand is considered the spark that ignited World War I. This question examines knowledge of pivotal historical events.

The Nile River is traditionally recognized as the longest river in the world. This is an essential fact in the study of world geography.

Water is composed of two hydrogen atoms and one oxygen atom, which is denoted as H2O. Recognizing chemical formulas is fundamental in chemistry.

Gravity is the force that attracts planets to the sun, keeping them in orbit. This concept is a cornerstone in physics and astronomy.

The Legislative branch, which includes Congress, is tasked with creating laws in the United States. This question measures understanding of governmental structures.

HTML stands for HyperText Markup Language, which is used to structure and display content on the web. This is a basic yet vital concept in computer science.

Substituting x = 3 into the function yields f(3) = 2(9) - 3(3) + 1, which simplifies to 18 - 9 + 1 = 10. This question tests function evaluation and algebraic skills.

Foreshadowing provides hints or clues about events that will occur later in the narrative. It is used to build anticipation and prepare the reader for future developments.

In a vacuum, the speed of light (c) is constant, and the product of frequency and wavelength equals this speed (fλ = c). Understanding this relationship is essential in the study of electromagnetic waves.

The 13th Amendment abolished slavery in the United States. This is a critical milestone in U.S. history and constitutional law.

The derivative of sin(x) is cos(x), a fundamental result in calculus. This rule is frequently used in solving problems involving trigonometric functions.