Transport in cells - AQA

1

What will happen if a spray of perfume is released into one corner of a room?

2

Which factor will decrease the rate of diffusion across a membrane?

3

What is the surface area to volume ratio of a cube with sides 7 cm?

4

What happens to red blood cells when they are placed in water?

5

Which of the following organisms has the largest surface area to volume ratio?

6

Why does a mouse experience more problems with heat loss than an elephant?

7

Which of the following is a correct statement about osmosis?

8

The mass of a cylinder of beetroot was 2.5 g. If its final mass in an osmosis experiment was 2.7 g, what was the increase in mass in per cent?

9

If the decrease in mass of a cylinder of beetroot was 0.62 g in 48 minutes, what was the rate of water loss?

10

Which of the following involves passive movement?