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Biology MidUnit Test Review

Total questions: 30

Worksheet time: 46mins

Name
Class
Date
1.
This part of the cell that is used for storage.
a)
Nucleus
b)
Cell Membrane
c)
Mitochondria
d)
Vacuole
2.
These cells have DNA surrounded by a nuclear membrane...
a)
Eukaryotic
b)
Prokaryotic
c)
Neither
d)
Both prokaryotic and eukaryotic
3.
Acts like a subway system, carrying protein through the cell.
a)
Golgi Apparatus
b)
Nuclear Membrane
c)
Ribosomes
d)
Endoplasmic Reticulum
4.

Which of the following statements best describes the chemical composition of cell membranes?

a)

A. Cell membranes are bilayers of proteins with associated lipids and carbohydrates.

b)

B. Cell membranes are composed of two layers, one layer of phospholipids and one layer of proteins.

c)

C. Cell membranes are bilayers of phospholipids with associated proteins and carbohydrates.

d)

D. Cell membranes are composed of equal numbers of phospholipids, proteins, and carbohydrate.

5.
What type of solution allows water to enter the plant cell?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
6.
Breakdown large food particles into smaller ones. Break down old cell parts and release the materials so they can be used again. Digest and kill bacteria.
a)
white cells
b)
lysosomes
c)
endoplasmic reticulum
d)
cell wall
7.
Found inside the nucleus and produces ribosomes.
a)
Nucleus
b)
Nucleolus
c)
Chrloroplasts
d)
Golgi Bodies
8.
Which organelle belongs in both plant and animal cells?
a)
Chloroplast
b)
Mitochondrion
c)
Large Central Vacuole
d)
Cell Wall
9.

The 3 parts of the Cell Theory are...?

a)

All living things are composed of cells

Cells are the basic units of structure and function in living things

All cells are produced from other cells

b)

All living things are composed of cells

Cells are the basic units of dance and vibes in living things

All cells are destroyed from other aliens

c)

All living things are composed of Jell-O

Cells are the basic units of structure and function in living things

All cells are produced from factories in Canada

d)

All living things are composed of cells

Cells do karate and practice eating whole pies in their free time

All cells are produced from other cells

10.

What is the force done by water inside of a vacuole that applies a force necessary for the plant to stand upright?

a)

The Force

b)

Turgor Pressure

c)

Water Pressure

d)

Plant Bones

11.

In what organelle of plant cells does photosynthesis occur?

a)

mitochondria

b)

centrioles

c)

chloroplast

d)

ribosomes

12.
Solution that contains the same amount of dissolved substances as the cell it surrounds.  No water movement. Shape stays the same.
a)
Hypotonic
b)
Isotonic
c)
Diffusion
d)
Endocytosis
13.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
14.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

15.
What are the building blocks of proteins?
a)
amino acid
b)
fatty acid
c)
nucleotide
d)
lipid
16.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
17.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
18.
Carbohydrates are made of (Look in your presentation...I added this info) 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
19.
Which is NOT a form of active transport?
a)
Endocytosis
b)
Osmosis
c)
Exocytosis
d)
Pinocytosis
20.
Which form of active transport is being shown?
a)
Pinocytosis
b)
Endocytosis
c)
Exocytosis
d)
Osmosis
21.
What is diffusion?
a)
when molecules move 
b)
when molecules move from a high concentration to a low.
c)
no movement 
d)
molecules move everywhere
22.

Shaquan placed a potato slice in salt water. After some time he noticed that the slice of potato became limp. Why did this happen to the potato slice?

a)

The potato was getting old.

b)

The potato cells lost water to the surroundings.

c)

The potato cells gained water from the surroundings.

d)

The potato cells had no exchange of materials with the environment.

23.

A red blood cell will shrink in size when placed in a more concentrated salt solution because of the passive process called...

a)

biosis.

b)

endocytosis.

c)

osmosis.

d)

mitosis.

24.

The movement of carbon dioxide out of cells and oxygen into cells can best be explained by which process?

a)

osmosis

b)

diffusion

c)

exocytosis

d)

active transport

25.
What type of transport is this?
a)
Endocytosis
b)
Facilitated Diffusion
c)
Active Transport Pump
d)
Osmosis
26.

Which of the following is the strongest acid?

a)

1

b)

5

c)

3

d)

8

27.
The graph shows how the activity of an enzyme changes over a range of pH values. Which of the following conclusions can be drawn from this graph?
a)
pepsin works best at a pH near 2
b)
pepsin works best at a pH of 9
28.
The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements? 
a)
The body is kept relatively warm to prevent too much enzyme action
b)
Enzymes function best at a specific temperature.
29.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
30.

What is OSMOSIS?

a)
b)
c)
d)