GSAT GSAT Science and Technology 3

Question 1

Which gas makes up the largest percentage of Earth's atmosphere?

Accepted Answer

Nitrogen

Answer

Nitrogen makes up approximately 78% of Earth's atmosphere, making it the most abundant atmospheric gas.

Question 2

What is the term for the genetic material found in the nucleus of a cell?

Accepted Answer

DNA

Answer

DNA (deoxyribonucleic acid) is the genetic material housed in the cell nucleus that carries hereditary information.

Question 3

Which type of energy is stored in a compressed spring?

Accepted Answer

Elastic potential energy

Answer

A compressed spring stores elastic potential energy, which is released as kinetic energy when the spring is released.

Question 4

What is the name of the layer of Earth's atmosphere that contains the ozone layer?

Accepted Answer

Stratosphere

Answer

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

Question 5

Which device converts chemical energy directly into electrical energy?

Accepted Answer

Battery

Answer

A battery converts stored chemical energy into electrical energy through electrochemical reactions.

GSAT - General Scholastic Ability Test Practice Test