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Unit 2 Bio

Total questions: 78

Worksheet time: 57mins

Name
Class
Date
1.

Which organelle controls what goes in and out of the cell?

a)

nucleus

b)

nucleolus

c)

cell membrane

d)

nuclear membrane

2.

This organelle digests dead cell parts and contains enzymes

a)

lysosome

b)

golgi body

c)

smooth ER

d)

Rough ER

3.

What organelle is represented by this image?

a)

rough endoplasmic reticulum

b)

smooth endoplasmic reticulum

c)

ribosome

d)

nucleus

4.

The jelly-like material inside the cell

a)

ribosomes

b)

lysosome

c)

granum

d)

cytoplasm

5.

Which organelle contains DNA and controls the cell?

a)

Cell membrane

b)

nucleus

c)

nucleolus

d)

lysosme

6.

What function does this organelle carry out in the cell?

a)

detoxification

b)

packaging materials for release from the cell

c)

breaking down old cellular components

d)

storing genetic material

7.

Proteins are produced at this organelle.

a)

golgi body

b)

ribosome

c)

cytoskeleton

d)

cilia

8.

This organelle makes useable energy for the cell

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

nucleolus

9.

What is the function of this organelle?

a)

modify and build proteins

b)

break down proteins

c)

make lipids for the membrane

d)

store extra material, like water and food

10.

This organelle produces the microtubules used during cell division.

a)

lysosome

b)

centriole

c)

cytoplasm

d)

ribosome

11.

In _______ cells, the vacuole is large and located in the center of the cell.

a)

plant

b)

animal

c)

both plant and animal

d)

all

12.

Which of the images below represents a chloroplast?

a)
b)
c)
d)
13.

Ribosomes are produced here

a)

nucleus

b)

nuclear membrane

c)

nucleolus

d)

chromosomes

14.

This structure provides protection to plant cells and is made of cellulose.

a)

chloroplast

b)

cell membrane

c)

cell wall

d)

cytoplasm

15.

Which organelle is this?

a)

Golgi Apparatus

b)

Mitochondria

c)

Nucleus

d)

Chloroplast

16.

Which organelle is only found in animal cells?

a)

cytoplasm

b)

vacuole

c)

centriole

d)

ribosome

17.

This organelle makes lipids for the cell.

a)

Rough ER

b)

Smooth ER

c)

Golgi body

d)

nucleus

18.

What organelle does this image represent?

a)

Golgi Apparatus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

19.

Which 2 organelles are involved in the making of a protein?

a)

Ribosome

b)

Lysosome

c)

Rough Endoplasmic Reticulum

d)

Smooth Endoplasmic Reticulum

20.

Which of the following organelles is found only in a plant cell?

a)

mitochondria

b)

chloroplast

c)

centrioles

d)

vacuole

21.

Movement across the cell membrane that does not require energy is called [ active / passive ] transport.

a)

active

b)

passive

22.

The cell membrane is composed of proteins embedded in a [ phospholipid / molecular ] bilayer.

a)

phospholipid

b)

molecular

23.

If there is a concentration gradient, substances will move from an area of high concentration to an area of [ equal / low ] concentration.

a)

equal

b)

low

24.

The cell membrane is [ selectively permeable / impermeable ].

a)

selectively permeable

b)

impermeable

25.

[ Equilibrium / Diffusion ] is the simplest type of passive transport.

a)

Equilibrium

b)

Diffusion

26.

The diffusion of water through a selectively permeable membrane is called [ osmosis / diffusion ].

a)

osmosis

b)

diffusion

27.

The direction of water movement across the cell membrane depends on the concentration of free water[ molecules / solutions ].

a)

molecules

b)

solutions

28.

A solution that causes a cell to swell is called a [ hypertonic / hypotonic ] solution.

a)

hypertonic

b)

hypotonic

29.

Organelles that collect excess water inside the cell and force water out are called [ diffusion organelles / contractile vacuoles ]

a)

diffusion organelles

b)

contractile vacuoles

30.

The process of taking material into the cell by infolding the cell membrane is called [ endocytosis / exocytosis ]

a)

endocytosis

b)

exocytosis

31.

In [ facilitated / molecular ] diffusion, membrane proteins help molecules across the membrane.

a)

facilitated

b)

molecular

32.

In diffusion, molecules [ spread out / condense ]

a)

spread out

b)

condense

33.

The lipid bilayer describes [ a type of transport / the cell membrane ]

a)

a type of transport

b)

the cell membrane

34.

Facilitated diffusion moves substances down their concentration gradient [ with / without ] using the cell's energy.

a)

with

b)

without

35.

This cell would be in a [ hypertonic / hypotonic / isotonic ] solution.

a)

hypertonic

b)

hypotonic

c)

isotonic

36.

All of the processes in the image are examples of [ active / passive ] transport.

a)

active

b)

passive

37.

The cell membrane can be described as [ semi-permeable / impermeable ]

a)

semi-permeable

b)

impermeable

38.

Oxygen enters the cell by [ diffusion / osmosis ].

a)

diffusion

b)

osmosis

39.

Water enters the cell by [ diffusion / osmosis ].

a)

diffusion

b)

osmosis

40.

The process of releasing materials out of the cell by fusion of a vesicle with the membrane is called [ endocytosis / exocytosis ]

a)

endocytosis

b)

exocytosis

41.

A solution that causes a cell to shrink is called a [ hypertonic / hypotonic ] solution.

a)

hypertonic

b)

hypotonic

42.

The movement of molecules from an area of high concentration to an area of low concentration is called [ osmosis / diffusion ].

a)

osmosis

b)

diffusion

43.

The process of moving materials from an area of lower concentration to an area of higher concentration is called [ active / passive ] transport.

a)

active

b)

passive

44.

A solution with the same concentration of solutes as inside the cell is called a [ hypertonic / isotonic / hypotonic ] solution.

a)

hypertonic

b)

isotonic

c)

hypotonic

45.

The process of taking in large particles by the cell is called [ endocytosis / exocytosis ].

a)

endocytosis

b)

exocytosis

46.

The process of moving materials from an area of higher concentration to an area of lower concentration is called [ active / passive ] transport.

a)

active

b)

passive

47.

A solution that has a higher concentration of solutes than inside the cell is called a [ hypertonic / isotonic / hypotonic ] solution.

a)

hypertonic

b)

isotonic

c)

hypotonic

48.

The process of moving materials from an area of lower concentration to an area of higher concentration using the cell's energy is called [ active / passive ] transport.

a)

active

b)

passive

49.

A cell that is 70% water and 30% solute is placed in a solution that is 75% water and 25% solute. Which of the following is correct?

a)

It is isotonic because the concentration is the same inside and outside the cell.

b)

It is hypertonic because water is exiting the cell.

c)

It is hypotonic because water is entering the cell.

d)

It is hypertonic because water is entering the cell.

50.

A cell that is 90% water and 10% solute is placed in a solution that is 90% water and 10% solute. Which of the following is correct?

a)

it is hypertonic because water is exiting the cell.

b)

it is isotonic because the concentration is the same inside and outside the cell.

c)

it is hypotonic because water is entering the cell.

d)

it is hypertonic because water is entering the cell.

51.

A cell that is 70% water and 30% solute is placed in a solution that is 75% water and 25% solute. Which of the following is correct?

a)

It is isotonic because the concentration is the same inside and outside the cell.

b)

It is hypertonic because water is exiting the cell.

c)

It is hypotonic because water is entering the cell.

d)

It is hypertonic because water is entering the cell.

52.

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

a)

Prokaryotes have a nucleus.

b)

Eukaryotes have a nucleus.

c)

There is no difference.

53.

What type of cell is this?

a)

Animal cell because it has chloroplast, a cell wall, and only one large vacuole.

b)

Plant cell because it has mitochondria and a nucleus.

c)

Animal cell because it has chloroplast, and a cell membrane.

d)

Plant cell because it has chloroplast, a cell wall, and only one large vacuole.

54.
Maintaining a constant internal state in a changing environment.
a)
Homeostasis
b)
Active Transport
c)
Mitosis
d)
Photosynthesis
55.
What is another term for "selectively permeable"?
a)
porous
b)
completely permeable
c)
permanent
d)
semipermeable
56.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
57.

Which one is the definition of active transport?

a)

movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

b)

passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane

c)

net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient

d)

net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient

58.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
59.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

60.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
61.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
62.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
63.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
64.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
65.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
66.
In passive transport, molecules move from an area of __________ concentration to an area of __________ concentraiton
a)
high, low
b)
low, high
c)
water, salt
d)
active, passive
67.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
68.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy
69.
Which type of transport requires an input of energy?
a)
Passive Transport
b)
Osmosis
c)
Simple Diffusion
d)
Active Transport
70.
Someone sprays air freshener.  The scent fills the room.  This is an example of
a)
active transport
b)
osmosis
c)
diffusion
d)
cellular respiration
71.
Which of the following is a job of the cell membrane?
a)
Regulates which materials enter and leave the cell.
b)
Breaks apart lipids, carbohydrates, and proteins from foods.
c)
Stores water, salt, proteins, and carbohydrates.
d)
Keeps the cell wall in place.
72.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
73.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
74.
Low to High
a)
Passive Transport
b)
Active Transport
75.
Which of the following statement is correct?
a)
Cell communicate with one another in multicellular organisms using extracellular signaling molecules or hormones
b)
Cell communicate with one another in unicellular organisms using extracellular signaling antigen and antibody
c)
Cell communicate with one another in multicellular organisms using intracellular signaling molecules only
d)
Cell communicate with one another in unicellular organisms using intracellular signaling antigen and antibody
76.
A cell is known to respond to a particular signaling molecule. Which of the following must be true of this cell?
a)
It is in the heart muscle
b)
it is also the site of production for the signaling molecule
c)
It contains the receptor for the signaling molecule
d)
It is incapable of signal transduction
77.
What determines whether a cell is a target cell for a particular signal molecule?
a)
phosphorylation cascade
b)
cAMP
c)
signal receptors
d)
phosphatase
78.
Which of the following is a chemical message that usually travels through the bloodstream to target cells?
a)
hormone
b)
local regulator
c)
endocrine cell

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