GCSE 2023 Biology Foundation paper 1

Front

Why does the potato in a concentrated solution lose mass?

Back

Water moves out due to the lower water concentration outside the potato.

Front

What is Osmosis?

Back

Osmosis is the movement of water molecules through a partially permeable membrane from a region of higher water concentration (dilute solution) to a region of lower water concentration (concentrated solution).

Front

Name the types of variable in an experiment

Back

1. 1. Dependent Variable

2. 2. Independent Variable

3. 3. Controlled Variable