BMST Science 4

Question 1

Which type of bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Answer

A covalent bond forms when two atoms share one or more pairs of electrons.

Question 2

What happens to the pressure of a gas if its volume is reduced while temperature stays constant?

Accepted Answer

Pressure increases

Answer

According to Boyle's Law, pressure and volume are inversely proportional at constant temperature.

Question 3

Which organelle is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondria

Answer

Mitochondria are known as the powerhouse of the cell because they generate most of the cell's ATP.

Question 4

What is the SI unit of electric current?

Accepted Answer

Ampere

Answer

The ampere (A) is the SI base unit used to measure electric current.

Question 5

Which layer of Earth's atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Answer

The ozone layer is located in the stratosphere, roughly 15–35 km above Earth's surface.

BMST - Basic Math and Science Test Practice Test