PMA 2 Review

Front

What is the function of the cell wall in a plant cell?

Back

The cell wall provides structural support and protection to the cell, and it helps maintain the cell's shape.

Front

What property of light does a magnifying lens utilize to magnify objects?

Back

A magnifying lens utilizes the property of refraction to bend light and make objects appear larger.

Front

How does heat transfer through the Earth's mantle affect tectonic plate movement?

Back

Heat causes material in the mantle to expand and rise, creating convection currents that drive the movement of tectonic plates.

Front

What is the difference between Earth's inner core and mantle in terms of density?

Back

The inner core is denser than the mantle.

Front

What happens when two tectonic plates converge?

Back

When two tectonic plates converge, they can push against each other, leading to the formation of mountains.

Front

Define conduction in the context of heat transfer.

Back

Conduction is the process of heat transfer through direct contact between materials.

Front

What is the role of the nucleus in a plant cell?

Back

The nucleus contains all the genetic information needed by the cell and controls its activities.

Front

Explain the process of convection in the mantle.

Back

Convection in the mantle occurs when heated material rises, cools at the surface, and then sinks back down, creating a cycle that drives plate tectonics.

Front

What is the primary component of the Earth's crust?

Back

The Earth's crust is primarily composed of solid rock.

Front

What is the significance of the cell membrane in a plant cell?

Back

The cell membrane separates the cell from its environment and regulates the movement of substances in and out of the cell.