Lesson 5 Biology Question Preview (ID: 40623)


Diffusion/Osmosis. TEACHERS: click here for quick copy question ID numbers.

Define diffusion
a) molecules moving from low to high concentration
b) molecules moving from high to low concentration
c) molecules staying where they are
d) molecules stopping

Define osmosis
a) water molecules moving from low to high concentration
b) water molecules randomly moving
c) water molecules stopping
d) water molecules moving from high to low concentration

Which 2 things can move through a cell membrane?
a) water starch
b) starch and glucose
c) water and glucose
d) yeast and glucose

Mr Vite farted and smelled up the whole room is an example of...
a) osmosis
b) diffusion
c) bad manners
d) he had eggs for breakfast

An example of osmosis is...
a) Making beef jerky
b) urine moving in a pool
c) cookies making the house smell good
d) glucose moving into a cell

What needs to happen to the glucose in your cells before you can gain the energy?
a) break down more
b) add carbon dioxide
c) nothing
d) chemical reaction

How do you know there was a chemical reaction in the yeast and sugar lab?
a) the yeast ate the sugar
b) you don't know
c) gas formed
d) there wasn't a chemical reaction

Looking at the yeast on day 2, you should have noticed...
a) less yeast cells
b) there weren't any yeast cells
c) yeast cells remained the same
d) more yeast cells

What did the glucose and starch lab show you?
a) starch can travel through a membrane
b) glucose can travel through a membrane
c) neither glucose nor starch can travel through a membrane
d) both glucose and starch can travel through a membrane

Why is our digestive system so important?
a) it breaks down molecules small enough to fit into our cells
b) it helps us breathe
c) it helps move starch around our body
d) It moves oxygen around our body

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