Question 1

What is the basic unit of matter that makes up all substances, including the human body?

Accepted Answer

Atom

Answer

Cell

Answer

Molecule

Answer

Compound

Question 2

Which of these is a function of proteins in the human body?

Accepted Answer

Building and repairing tissues

Answer

Transporting oxygen

Answer

Storing genetic information

Answer

Providing quick energy

Question 3

What combination of elements primarily makes up water, which is vital for human life?

Accepted Answer

Hydrogen and Oxygen

Answer

Hydrogen and Carbon

Answer

Carbon and Nitrogen

Answer

Oxygen and Nitrogen

Question 4

What do we call a substance made up of two or more different kinds of atoms bonded together?

Accepted Answer

Molecule

Answer

Compound

Answer

Atom

Answer

Element

Question 5

What term refers to a pure substance made up of only one type of atom?

Accepted Answer

Element

Answer

Compound

Answer

Mixture

Answer

Molecule

Question 6

What is the primary function of carbohydrates in the human body?

Accepted Answer

Energy source

Answer

Building blocks of proteins

Answer

Hormone regulation

Answer

Storage of genetic information

Question 7

Which subatomic particle is found outside the nucleus in an atom?

Accepted Answer

Electron

Answer

Neutron

Answer

Nucleus

Answer

Proton

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