Revision

Which row shows the features of a plant cell?

• A

• B

• C

• D

Diagram 1 represents a solution of glucose which has had some protein molecules added.

Diagram 2 represents the result after four hours.

Which process is responsible for this result?

• absorption

• diffusion

• digestion

• osmosis

Which smaller molecule is used to make proteins?

• amino acid

• fatty acid

• glucose

• glycerol

When an apple is cut, the cut surface quickly turns brown. This is due to enzyme action.

Which action destroys the enzyme?

• brushing the cut surface with a strong sugar solution

• cutting the apple into smaller pieces

• placing the cut apple in boiling water

• placing the cut apple in cold water

The diagram shows the arrangement of part of the small intestine and a capillary.

What does arrow X represent?

• absorption

• digestion

• ingestion

• osmosis

Which distance-time graph represents an object at rest?

• 
• 
• 
•