The Nature And Variety Of Living Organisms | Edexcel IGCSE Biology Questions

State the eight characteristics shared by all living organisms?

4 marks

Explain why a car is not considered a living organism, even though it moves and uses fuel?

2 marks

Distinguish between excretion and egestion?

2 marks

Suggest why viruses are not classified as living organisms?

2 marks

State three features of plant cells that are not found in animal cells?

3 marks

Give one example of a cereal plant and one example of a herbaceous legume?

2 marks

Describe two features of animal cells that distinguish them from plant cells?

2 marks

State the storage carbohydrate found in most animals?

1 mark

Define the term saprotrophic nutrition?

2 marks

Distinguish between the cell wall material found in plants and in fungi?

2 marks

Give one example of a single-celled fungus?

1 mark

State one feature of Chlorella that makes it similar to a plant cell?

1 mark

Identify the protoctist that causes malaria?

1 mark

Explain why Amoeba is described as having animal-like features?

2 marks

Describe two features of bacterial cells that are not found in animal cells?

2 marks

Explain why bacteria are classified as prokaryotic organisms?

2 marks

Give one example of a bacterium used in food production and state its role?

2 marks

Define the term pathogen?

2 marks

Explain why viruses are not classified as living organisms?

3 marks

Describe how the tobacco mosaic virus affects tobacco plants?

2 marks