WorksheetsBiology Part 3
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
This means steady state:
a)
Osmosis
b)
Hypertonic
c)
Homeostasis
2.
When cells don’t reach their target, a person could get this disorder:
a)
Multiple Sclerosis
b)
Stroke
c)
Cancer
3.
When cells give too much signal, this could happen to you:
a)
Multiple Sclerosis
b)
Stroke
c)
Cancer
4.
Uncontrolled cell growth could be caused by:
a)
Multiple Sclerosis
b)
Stroke
c)
Cancer
5.
Dissolving one substance into another substance is called:
a)
Solute
b)
Solution
c)
Solvent
6.
Where the ratio of solute to solvent is high is called
a)
Concentrate
b)
Dilute
7.
Where the ratio of solute to solvent is low is called a
a)
Concentrate
b)
Dilute
8.
Concentration of solutes higher of that of inside the cell is called
a)
Hypertonic
b)
Hypotonic
9.
Solution outside cell has a higher concentration of water molecules and lower concentration of solutes inside:
a)
Hypertonic
b)
Hypotonic
10.
This is diffusion of water molecules through a semipermeable membrane from an area of high water concentration to low water concentration.
a)
Solute
b)
Osmosis
c)
Solution
11.
What happens to a plant cell that is placed in a hypertonic solution?
a)
a. The cell membrane has pulled away from the cell wall. The central vacuole has shrunk.
b)
The vacuole in the cell swells and bursts.
c)
a. The cell remains the same because of the cell wall.
12.
Describe the changes to the plant cell when it is placed in a hypotonic solution.
a)
a. The plant cell remains the same because of the cell wall.
b)
a. The plant cell absorbs the water in the vacuole
c)
a. The cell membrane has pulled away from the cell wall. The central vacuole has shrunk.
13.
Describe the changes to the animal cell when it is placed in a hypotonic solution.
a)
The cell membrane has pulled away from the cell wall. The central vacuole has shrunk.
b)
The vacuole in the cell swells and bursts.
c)
The cell remains the same because of the cell wall.
14.
Fluid movement into the brain after traumatic brain injury can result in dangerous brain swelling. What is one treatment that could be used in some cases?
a)
Give the patient a Tylenol
b)
Add hypotonic solution. ( a very watery solution)
c)
Add hypertonic saline. (a type of salt)
15.
The cell membrane is made of a phospholipid.....
a)
amoeba
b)
bi-layers
c)
grain
16.
Simple diffusion moves
a)
In the opposite direction
b)
Against the flow
c)
With the flow
17.
The movement of molecules across a membrane with the concentration gradient without the expenditure of chemical energy.
a)
Active transport
b)
Passive transport
18.
When energy is required and the substance is moved across the membrane against the concentration gradient it is called:
a)
Active transport
b)
Passive transport
19.
The process the cell uses to transport substances in bulk across the membrane.
a)
Endocytosis
b)
Exocytosis
20.
The process where vesicles or vacuoles in the cytoplasm fuse with the cell membrane and release their contents into the solution outside the cell.
a)
Endocytosis
b)
Exocytosis
100 %
