Question 1

Diffusion is...

Accepted Answer

the movement of particles from an area of HIGH concentration to an area of LOW concentration

Answer

the movement of particles from an area of LOW concentration to an area of HIGH concentration

Question 2

The difference in concentration between two areas is called the...

Accepted Answer

concentration gradient

Answer

rate of diffusion

Answer

temperature

Answer

concentration difference

Question 3

What effect will an increase in temperature have on the rate of diffusion?

Accepted Answer

Increase the rate

Answer

Decrease the rate

Answer

No effect

Question 4

Which statement is TRUE about oxygen in the lungs?

Accepted Answer

Oxygen is in HIGHER concentration in the lungs compared to the blood

Answer

Oxygen concentration in the lungs and the blood is the same

Answer

Oxygen is in LOWER concentration in the lungs compared to the blood

Question 5

The diffusion of oxygen and carbon dioxide in the lungs is know as....

Accepted Answer

gas exchange

Answer

gas mobility

Answer

respiration

Answer

gas diffusion

Question 6

Cells that are adapted to make diffusion faster and easier often have..

Accepted Answer

folded membranes

Answer

many mitochondria

Answer

small surface area

Answer

no nucleus

Question 7

A cell is placed in a solution that is MORE DILUTE than the cell. We say the solution is:

Accepted Answer

Hypotonic

Answer

Isotonic

Answer

Hypertonic

Question 8

A cell is placed in a solution that is MORE CONCENTRATED than the cell. We say the solution is:

Accepted Answer

Hypertonic

Answer

Isotonic

Answer

Hypotonic

Question 9

A cell is placed in a solution that is the SAME concentration as the cell. We say the solution is:

Accepted Answer

Isotonic

Answer

Hypertonic

Answer

Hypotonic

Question 10

Osmosis is the movement of which type of molecule?

Accepted Answer

Water

Answer

Sugar

Answer

salt

Answer

Solutes

Question 11

For osmosis to happen, there must be...

Accepted Answer

a partially-permeable membrane

Answer

a impermeable membrane

Answer

no membrane

Answer

a fully permeable membrane

Question 12

In osmosis, water moves from...

Accepted Answer

a more dilute solution to a more concentrated solution

Answer

a more concentrated solution to a more dilute solution

Related quizzes

Related quizzes