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Science 10 Quiz - Gas Laws and Biomolecules

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Questions and Answers

What is the name of the scientific principle that states the volume of a fixed amount of gas is inversely proportional to its pressure, as long as temperature is kept constant?

Charles' Law
Avogadro's Law
Boyle's Law (correct)
Dalton's Law

What is the main function of lipids in cells?

To regulate cell growth
To provide energy storage (correct)
To transmit genetic information
To synthesize proteins

As a swimmer swims deeper into the sea, what happens to the volume of the swimmer's lungs?

It increases
It remains constant
It becomes fixed
It decreases (correct)

What is the characteristic of collisions between gas molecules?

They are perfectly elastic (A) Signup and view all the answers

What is the term for the basic building blocks of proteins?

Amino acids (D) Signup and view all the answers

What is the characteristic of gases in terms of shape and volume?

They have no fixed shape and volume (B) Signup and view all the answers

What is the characteristic of gas molecules according to the kinetic molecular theory?

They are in constant motion (A) Signup and view all the answers

What is the function of collagen in the human body?

It provides strength and flexibility to connective tissues (A) Signup and view all the answers

What is the relationship between volume and temperature according to Charles' Law?

They are directly proportional (B) Signup and view all the answers

What are the three main classes of biomolecules?

Carbohydrates, lipids, and nucleic acids (C) Signup and view all the answers

What happens to the gas molecules in a hot air balloon?

They expand (A) Signup and view all the answers

What is the condition for Boyle's Law to apply?

Temperature and pressure are held constant (D) Signup and view all the answers

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