7th Grade Science Fall Exam Review Part 1

Front

What is the role of gravity in plant growth?

Back

Roots grow toward the force of gravity, while shoots grow away from it.

Front

What cell structure is responsible for waste exiting the cell?

Back

Cell Membrane.

Front

What are organs made of?

Back

Tissues.

Front

Which organelle makes energy for the cell?

Back

Mitochondria.

Front

What level of organization do leaves represent?

Back

Organ.

Front

Define 'cell membrane'.

Back

A cell structure that controls the movement of substances in and out of the cell.

Front

What is the function of mitochondria?

Back

To produce energy for the cell through cellular respiration.

Front

What is the basic unit of life?

Back

Cell.

Front

What is the function of vacuoles in a cell?

Back

To store nutrients, waste products, and help maintain turgor pressure.

Front

What is the difference between tissues and organs?

Back

Tissues are groups of similar cells that perform a specific function, while organs are made up of different types of tissues working together.