Cambridge O-Level Biology Revision & Mock Test

Free Cambridge O-Level Revision

Cambridge O-Level Biology

Revise ten essential areas, take an original diagnostic mock test and receive your mark, corrections and weak-topic guidance immediately.

Core Biology revision topics

1

Cell structure

Compare plant, animal and specialised cells.

2

Movement across membranes

Diffusion, osmosis and active transport.

3

Biological molecules and enzymes

Food tests, enzyme action and factors affecting reactions.

4

Plant nutrition

Photosynthesis, mineral needs and leaf adaptations.

5

Human nutrition

Diet, digestion, absorption and assimilation.

6

Transport

Transport systems in plants and humans.

7

Respiration and gas exchange

Energy release and exchange surfaces.

8

Coordination and homeostasis

Nervous, hormonal and internal regulation.

9

Reproduction and inheritance

Sexual reproduction, genes, variation and selection.

10

Ecology

Food webs, cycles, populations and conservation.

10-question Biology diagnostic mock test

Choose one answer for every question, then mark your test.

1. The site of aerobic respiration is the:

2. Osmosis is movement of:

3. Enzymes are:

4. Photosynthesis uses:

5. Most absorption occurs in the:

6. Xylem transports:

7. Alveoli are efficient because they have:

8. Insulin lowers blood glucose by:

9. A gene is:

10. Decomposers:

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