Diffusion (Biology)

The red dots in the image are ...

• practicals.

• particles.

• particulates.

• practices.

The movement of particles from an area of high to low concentration is called...

• division.

• diffusion.

• dispersion.

• diversion.

Diffusion can happen in...

• liquids only.

• gases only.

• solids only.

• liquids and gases only.

Heating a liquid...

• does not change the kinetic energy of particles.

• increases the kinetic energy of particles.

• decreases the kinetic energy of particles.

• increases and decreases the kinetic energy of particles.

In the lungs...

• oxygen goes into the blood, oxygen comes out of the blood.

• carbon dioxide goes into the blood, carbon dioxide comes out of the blood.

• oxygen goes into the blood, carbon dioxide comes out of the blood.

• carbon dioxide goes into the blood, oxygen comes out of the blood.

In the small intestine .......... moves into the blood.

• oxygen

• carbon dioxide

• glucose

• protein

Select the substance(s) which can move into and out of a cell

• Oxygen only.

• Carbon dioxide only.

• Glucose only.

• Oxygen, carbon dioxide and glucose.

Select the substance(s) which can not move into and out of a cell.

• Glucose

• Carbon dioxide

• Protein

• Oxygen

Select the correct path of water through a plant.

• leaves, stem, roots

• roots, leaves, stem

• roots, stem, leaves

• leaves, roots, stem

Explain why plants wilt.

• More water exits the leaves than enters the roots.

• Less water exists the leaves than enters the roots.

• More water exits the roots than enters the leaves.

• Less water exists the roots than enters the leaves.