TASC Science 1

Question 1

What is the basic unit of life?

Accepted Answer

Cell

Answer

The cell is the basic structural and functional unit of all living organisms. All life forms are composed of one or more cells.

Question 2

What is photosynthesis?

Accepted Answer

The process by which plants convert sunlight into chemical energy (glucose)

Answer

Photosynthesis uses sunlight, carbon dioxide, and water to produce glucose and oxygen, converting light energy into chemical energy stored in sugar molecules.

Question 3

What is Newton's First Law of Motion?

Accepted Answer

An object at rest stays at rest and an object in motion stays in motion unless acted upon by an external force

Answer

Newton's First Law (Law of Inertia) states that objects resist changes in their state of motion unless an external force acts upon them.

Question 4

What is the pH of a neutral solution?

Accepted Answer

7

Answer

A pH of 7 is neutral, meaning the solution is neither acidic nor basic. Values below 7 are acidic, and values above 7 are basic/alkaline.

Question 5

What type of rock is formed from cooled magma or lava?

Accepted Answer

Igneous

Answer

Igneous rocks form when molten rock (magma underground or lava on the surface) cools and solidifies. Examples include granite and basalt.

TASC Practice Test

TASC Practice Test

TASC Science 1