2025 Nature Of Science Final Exam Practice Test

Front

What is a characteristic of lipids?

Back

Lipids are hydrophobic.

Front

Label the parts of a water molecule.

Back

Oxygen, Hydrogen, Hydrogen.

Front

What are the base-pairing rules for DNA?

Back

A pairs with T, C pairs with G.

Front

Label the parts of an atom.

Back

Proton, Neutron, Electron.

Front

Why can’t two organisms share the same niche in a particular ecosystem for very long?

Back

Because one will outcompete the other for resources.

Front

What is the definition of hydrophobic?

Back

Hydrophobic refers to substances that do not mix with water.

Front

What are the three main parts of an atom?

Back

Protons, Neutrons, Electrons.

Front

What is the role of DNA in living organisms?

Back

DNA carries genetic information essential for growth, development, and reproduction.

Front

What is the significance of base-pairing in DNA?

Back

Base-pairing ensures accurate replication and transcription of genetic information.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their environment.