Biology IGCSE

Front

What is a food chain?

Back

A food chain in an ecosystem represents the flow of energy and nutrients from one organism to another.

Front

What is the difference between mitosis and meiosis?

Back

Mitosis results in two identical daughter cells, while meiosis results in four non-identical daughter cells.

Front

What is the role of mitochondria in cellular respiration?

Back

Mitochondria produce ATP through cellular respiration.

Front

What are the main components of a cell membrane?

Back

Phospholipids, proteins, and cholesterol.

Front

What is the purpose of Punnett squares in genetics?

Back

To predict the possible outcomes of genetic crosses.

Front

Define ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the structure of DNA?

Back

DNA is a double helix composed of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base.

Front

What is the significance of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, maintaining homeostasis.