AV 7th Grade Semester Review

Front

What is the primary function of chloroplasts in plant cells?

Back

Chloroplasts are the site of photosynthesis, where plants convert sunlight into energy.

Front

What is the role of the nucleus in a cell?

Back

The nucleus is often called 'the brain of the cell' because it contains the cell's genetic material and controls its activities.

Front

What is the basic unit of life?

Back

The cell is the basic unit of life, which can form tissues, organs, and organ systems.

Front

What do genes provide instructions for?

Back

Genes provide instructions for the synthesis of proteins.

Front

What is the process by which starch is broken down into glucose?

Back

The process is called digestion, where enzymes break down starch into simpler sugars like glucose.

Front

What happens if a cell does not have enough oxygen?

Back

If a cell does not have enough oxygen, it may not be able to produce energy efficiently, leading to fatigue.

Front

What is the relationship between cells, tissues, organs, and organ systems?

Back

Cells make up tissues, tissues make up organs, and organs make up organ systems.

Front

What is the function of mitochondria in a cell?

Back

Mitochondria are known as the powerhouse of the cell, where energy (ATP) is produced.

Front

What is photosynthesis?

Back

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

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen, while anaerobic respiration does not.