Roles of diffusion in living things Practice exercise 2

What role does diffusion play in human respiration?

What role does diffusion play in human respiration?  (1 mark)

What role does diffusion play in human respiration?  (1 mark)

What role does diffusion play in human respiration?  (1 mark)

What role of diffusion is shown above?

What role of diffusion is shown above?  (1 mark)

What role of diffusion is shown above?  (1 mark)

What role of diffusion is shown below?  (1 mark)

What role of diffusion is shown in the image?

What role of diffusion is shown in the image below?  (1 mark)

What role of diffusion is shown in the image below?  (1 mark)

What role of diffusion is shown in the image below?  (1 mark)

Which of the following is a role of diffusion in plants?

Which of the following is a role of diffusion in plants?   (1 mark)

Which of the following is a role of diffusion in plants?   (1 mark)

Which of the following is a role of diffusion in plants?   (1 mark)

Which substance commonly diffuses into cells for respiration in both plants and animals?

Which substance commonly diffuses into cells for respiration in both plants and animals?  (1 mark)

Which substance commonly diffuses into cells for respiration in both plants and animals?  (1 mark)

Which substance commonly diffuses into cells for respiration in both plants and animals?  (1 mark)

After eating ugali and sukuma wiki, Brian’s body started absorbing nutrients into his blood. What role does diffusion play in this process?  (1 mark)

After eating ugali and sukuma wiki, Brian’s body started absorbing nutrients into his blood. What role does diffusion play in this process?  (1 mark)

Joshua planted sukuma wiki and added manure to his garden. Joshua planted sukuma wiki and added manure to his garden. After a few days, the plants looked greener and healthier. Which process helped the roots absorb mineral salts from the soil to support this growth?   (1 mark)

Joshua planted sukuma wiki and added manure to his garden. Joshua planted sukuma wiki and added manure to his garden. After a few days, the plants looked greener and healthier. Which process helped the roots absorb mineral salts from the soil to support this growth?   (1 mark)

Joshua planted sukuma wiki and added manure to his garden. Joshua planted sukuma wiki and added manure to his garden. After a few days, the plants looked greener and healthier. Which process helped the roots absorb mineral salts from the soil to support this growth?   (1 mark)

After eating lunch, nutrients such as glucose move into blood capillaries. What role does diffusion play in this process?

After eating lunch, nutrients such as glucose move into blood capillaries. What role does diffusion play in this process? (1 mark)

After eating lunch, nutrients such as glucose move into blood capillaries. What role does diffusion play in this process? (1 mark)

After eating, nutrients such as glucose move into blood capillaries. What role does diffusion play in this process? (1 mark)

Wambui's science class used this image below during a discussion. What role of diffusion does it show?  (1 mark)

Wambui's science class used this image below during a discussion. What role of diffusion does it show?  (1 mark)

Wambui's science class used the image below during a discussion. What role of diffusion does it show?  (1 mark)

Which structure in a plant is primarily responsible for the absorption of water through osmosis?

Which structure in a plant is primarily responsible for the absorption of water through osmosis? (1 mark)

Which structure in a plant is primarily responsible for the absorption of water through osmosis? (1 mark)

After a dry spell, a farmer waters his crops. Which plant structure plays a key role in absorbing water through osmosis, supporting the plant’s survival? (1 mark)

After a dry spell, a farmer waters his crops. Which plant structure plays a key role in absorbing water through osmosis, supporting the plant’s survival? (1 mark)

John sees that his bean plant’s leaves are greener after several days of sunshine. His teacher tells him that a gas moves into the leaves and helps the plant make its food. What role does diffusion play in this process?  (1 mark)

John sees that his bean plant’s leaves are greener after several days of sunshine. His teacher tells him that a gas moves into the leaves and helps the plant make its food. What role does diffusion play in this process?  (1 mark)