Means Of Transport:Diffusion

Question 1

Movement by diffusion is passive, and may be from 1…2…3…4…

Answer 1

1.one part of the cell to the other
2.from cell to cell
3.over short distances
4.from the intercellular spaces of the leaf to the outside.

Question 2

No energy ….. takes
place.

Answer 2

expenditure

Question 3

Expenditure means

Answer 3

Spending

Question 4

In diffusion, molecules move in a …

Answer 4

Random fashion

Question 5

the net result of molecules movement in a random fashion is..

Answer 5

being substances moving from regions of higher concentration to regions of lower concentration.

Question 6

Diffusion is a….process

Answer 6

slow process

Question 7

Diffusion is not dependent on
a ….system

Answer 7

Living system

Question 8

Diffusion is obvious in….

Answer 8

Gases and liquids

Question 9

Diffusion in solids rather than of solids is more likely. Meaning of this line is?

Answer 9

This line means that diffusion in solids is more possible than diffusion of solids.

Question 10

Diffusion is very important to
plants since it the only means for …

Answer 10

gaseous movement

Question 11

Diffusion rates are affected by the1.2.3.4..

Answer 11

1.gradient of concentration
2.The permeability of the membrane separating them
3. temperature
4. pressure.