Role of osmosis in living things Practice exercise 3

 Explain how osmosis helps protozoa like amoeba regulate their internal environment in freshwater.  (2 marks)

 Explain how osmosis helps protozoa like amoeba regulate their internal environment in freshwater.  (2 marks)

How does osmosis help protozoa like amoeba regulate their internal environment in freshwater?   (2 marks)

How does osmosis help protozoa like amoeba regulate their internal environment in freshwater?   (2 marks)

How does osmosis help protozoa like amoeba regulate their internal environment in freshwater?   (2 marks)

Describe the role of osmosis in the absorption of water by root hairs in plants.  (2 marks)

Describe the role of osmosis in the absorption of water by root hairs in plants.  (2 marks)

Describe the role of osmosis in the absorption of water by root hairs in plants.  (2 marks)

Explain how insectivorous plants such as sundews and bladderworts rely on osmosis for feeding.  (2 marks)

Explain how insectivorous plants such as sundews and bladderworts rely on osmosis for feeding.  (2 marks)

Explain how insectivorous plants such as sundews and bladderworts rely on osmosis for feeding.  (2 marks)

Using the image below  of a wilted and a turgid herbaceous plant, explain how osmosis supports herbaceous plants.  (2 marks)

Using the image below  of a wilted and a turgid herbaceous plant, explain how osmosis supports herbaceous plants.  (2 marks)

The image below shows of a wilted and a turgid herbaceous plant, explain how osmosis supports herbaceous plants.  (2 marks)

Using the labelled diagram showing open and closed stomata below, explain the role of osmosis in the opening and closing of stomata.  (2 marks)

Using the labelled diagram showing open and closed stomata below, explain the role of osmosis in the opening and closing of stomata.  (2 marks)

Using the labelled diagram showing open and closed stomata below, explain the role of osmosis in the opening and closing of stomata.  (2 marks)

The image below shows a freshwater fish accidentally placed in salty water. After some time, the fish becomes weak and eventually dies. Explain how osmosis is responsible for this outcome.   (2 marks)

The image below shows a freshwater fish accidentally placed in salty water. After some time, the fish becomes weak and eventually dies. Explain how osmosis is responsible for this outcome.   (2 marks)

  The image below shows a Venus flytrap trapping an insect. Explain how osmosis is involved in helping the plant feed. (2 marks)

  The image below shows a Venus flytrap trapping an insect. Explain how osmosis is involved in helping the plant feed. (2 marks)

The image below shows a Venus flytrap trapping an insect. Explain how osmosis is involved in helping the plant feed. (1 mark)

The image below shows a Venus flytrap trapping an insect. Explain how osmosis is involved in helping the plant feed. (1 mark)

A hospital used the wrong fluid in an intravenous (IV) drip. The solution had a much lower concentration than body cells. After some time, the patient developed cell damage. Explain how osmosis caused this.  (2 marks)

A hospital used the wrong fluid in an intravenous (IV) drip. The solution had a much lower concentration than body cells. After some time, the patient developed cell damage. Explain how osmosis caused this.  (2 marks)

A patient with a swollen leg is given a salty solution to soak the foot. After a few hours, the swelling reduces. Explain how osmosis helps reduce the swelling.  (2 marks)

A patient with a swollen leg is given a salty solution to soak the foot. After a few hours, the swelling reduces. Explain how osmosis helps reduce the swelling.  (2 marks)

A mountain climber drinks a lot of plain water without eating salty food. Later, she starts feeling dizzy. Explain how osmosis may have caused this reaction in her body.  (2 marks)

A mountain climber drinks a lot of plain water without eating salty food. Later, she starts feeling dizzy. Explain how osmosis may have caused this reaction in her body.  (2 marks)

A mountain climber drinks a lot of plain water without eating salty food. Later, she starts feeling dizzy. Explain how osmosis may have caused this reaction in her body.  (2 marks)

A mountain climber drinks a lot of plain water without eating salty food. Later, she starts feeling dizzy. Explain how osmosis may have caused this reaction in her body.  (2 marks)