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Lesson 5 Biology
Test Description: Diffusion/Osmosis
Instructions: Answer all questions to get your test result.
1) Define diffusion
A
molecules moving from high to low concentration
B
molecules staying where they are
C
molecules stopping
D
molecules moving from low to high concentration
2) Define osmosis
A
water molecules moving from low to high concentration
B
water molecules stopping
C
water molecules randomly moving
D
water molecules moving from high to low concentration
3) Which 2 things can move through a cell membrane?
A
yeast and glucose
B
water and glucose
C
starch and glucose
D
water starch
4) Mr Vite farted and smelled up the whole room is an example of...
A
diffusion
B
he had eggs for breakfast
C
bad manners
D
osmosis
5) An example of osmosis is...
A
cookies making the house smell good
B
urine moving in a pool
C
Making beef jerky
D
glucose moving into a cell
6) What needs to happen to the glucose in your cells before you can gain the energy?
A
add carbon dioxide
B
chemical reaction
C
nothing
D
break down more
7) How do you know there was a chemical reaction in the yeast and sugar lab?
A
there wasn't a chemical reaction
B
gas formed
C
you don't know
D
the yeast ate the sugar
8) Looking at the yeast on day 2, you should have noticed...
A
more yeast cells
B
there weren't any yeast cells
C
yeast cells remained the same
D
less yeast cells
9) What did the glucose and starch lab show you?
A
both glucose and starch can travel through a membrane
B
glucose can travel through a membrane
C
neither glucose nor starch can travel through a membrane
D
starch can travel through a membrane
10) Why is our digestive system so important?
A
it helps us breathe
B
It moves oxygen around our body
C
it breaks down molecules small enough to fit into our cells
D
it helps move starch around our body
*select an answer for all questions
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