1st Semester review Science 7

Front

What is the cell theory?

Back

The cell theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.

Front

What is the function of the cell membrane?

Back

The cell membrane controls what enters and exits the cell, providing protection and support.

Front

What are the main products of photosynthesis?

Back

The main products of photosynthesis are glucose and oxygen.

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts convert radiant energy into chemical energy through photosynthesis.

Front

What is an organism?

Back

An organism is a living thing that can function independently and is made up of one or more cells.

Front

What is the difference between an organ and an organ system?

Back

An organ is a group of tissues that work together to perform a specific function, while an organ system is a group of organs that work together to perform complex functions.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the function of the nucleus in a cell?

Back

The nucleus controls the functions of the cell and contains genetic material.

Front

What are the two main types of cells?

Back

The two main types of cells are prokaryotic cells (without a nucleus) and eukaryotic cells (with a nucleus).