Question

The diagram of an apparatus given below demonstrates a particular process in plants. Study the same and answer the questions that follows


State two limitations of using this apparatus.

Answer 1

There are some limitations of using a potometer. For example,

• Introducing the air bubble is not easy. The twig may not remain alive if the experiment takes a long time.
• Any change in the outside temperature can affect the position of the air bubble in the capillary tube.