GMAS Science 3

Question 1

Which organelle is responsible for controlling the activities of the cell?

Accepted Answer

Nucleus

Answer

The nucleus contains DNA and directs all cellular activities, acting as the control center of the cell.

Question 2

An ecosystem where decomposers break down dead organisms is demonstrating which biogeochemical process?

Accepted Answer

Nutrient cycling

Answer

Decomposers break down dead organic matter and return nutrients to the soil, completing nutrient cycles like the carbon and nitrogen cycles.

Question 3

What type of wave requires a medium to travel through?

Accepted Answer

Mechanical wave

Answer

Mechanical waves, such as sound waves, require a physical medium (solid, liquid, or gas) to transfer energy.

Question 4

Which process describes water moving from the leaves of plants into the atmosphere?

Accepted Answer

Transpiration

Answer

Transpiration is the process by which plants release water vapor through their leaves into the atmosphere.

Question 5

A scientist observes a fossil of a marine organism in a desert. What does this most likely indicate?

Accepted Answer

The desert was once covered by an ocean

Answer

Marine fossils found in desert regions indicate that the area was once submerged under water millions of years ago.

(GMAS) Georgia Milestones Assessment System Practice Test