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Unit 1-Systems/Cells/Homeostasis

Total questions: 69

Worksheet time: 35mins

Name
Class
Date
1.

A group of parts that work together to do a job, perform a function, or produce a result is called a

a)

function

b)

system

c)

feedback

2.

Based on this image, is brainstorming an input, process, or output?

a)

Input

b)

Process

c)

Output

3.

In the sequence illustrated, the toast is an __________.

a)

input

b)

output

4.

A system input is

a)

something that happens within a system.

b)

something that goes into a system.

c)

something that comes out of a system.

d)

something that is always man-made.

5.

A system output is

a)

something that happens within a system.

b)

something that goes into a system.

c)

something that comes out of a system.

d)

something that is always man-made.

6.

Speakers provide which of the following?

a)

input

b)

process

c)

output

7.

What organelle packages proteins?

a)

Ribosome

b)

Mitochondria

c)

Golgi Body

d)

Cell Membrane

8.

A group of organs working together create an

a)

organelle

b)

organ

c)

organ system

d)

organism

9.

Which organelle is the control center of the cell? (It is the BOSS.)

a)

Nucleus

b)

Nucleolus

c)

Golgi Body

d)

Mitochondria

10.

What organelle is like a storage tank for food, water, & waste?

a)

Chloroplast

b)

Ribosome

c)

Vacuole

d)

Lysosome

11.

What is the correct order of levels?

a)

atom, organelle, cell, molecule

b)

organelle, cell, tissue, organ

c)

organelle, organism, organ, organ system

d)

organism, community, population, ecosystem

12.

Which organelle is responsible for transport of proteins & has ribosomes attached?

a)

Chloroplast

b)

Rough ER

c)

Smooth ER

d)

Cell Wall

13.

Choose the correct order below. (small to big)

a)

atom, molecule, organelle, tissue, cell

b)

organism, organ, cell, tissue

c)

cell, tissue, organ, organ system, organism

d)

atom, organelle, organ, organism

14.

______ has a double membrane AND creates energy for the animal cell.

a)

Chloroplast

b)

Mitochondria

c)

Cell Wall

d)

Nucleus

15.

The thick, rigid (stiff) boundary for a plant cell is a _____.

a)

Chloroplast

b)

Cell Membrane

c)

Cell Wall

d)

Cytoplasm

16.

_____ has a double membrane AND changes light energy to chemical energy in PLANT cells.

a)

Mitochondria

b)

Cytoplasm

c)

Vacuole

d)

Chloroplast

17.
Every living organism is made up of one or more cells
a)
True
b)
False
18.
A cell is...
a)
the basic unit of structure and function in living organism
b)
an organism
c)
a basic part of everything that we see
d)
found only in animals, not plants
19.
Which of the following are NOT found in animal cells
a)
chloroplasts and cytoplasm
b)
chloroplasts and cell wall
c)
cell wall and cell membrane
d)
mitochondria and nucleus
20.

Which of the following converts food into energy for the cell?

a)

vacuole

b)

mitochondria

c)

cytoplasm

d)

cell membrane

21.

Which organelle takes in "sun showers" and helps plants with the process or photosynthesis?

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Chloroplast

22.
If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?
a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cell wall
23.
Which of the following, found ONLY in plant cells, provides structure?
a)
cell wall
b)
chloroplast
c)
mitochondria
d)
vacuole
24.

The _____________ holds the DNA, and controls the functions of eukaryotic cells.

a)

Nucleus

b)

Nuclear Membrane

c)

Mitochondria

d)

Chloroplast

25.

What can only be found in plant cells?

a)

Cell membrane

b)

Vacuole

c)

Chloroplast

d)

Mitochondria

26.
Cell membranes are found in
a)
Only animal cells
b)
Only plant cells
c)
Some plant and animal cells
d)
All plant and animal cells
27.

What is the main difference between prokaryotic and eukaryotic cells?

a)

Prokaryotic cells are found only in multicellular organisms

b)

Eukaryotic cells are found only in unicellular organisms

c)

Eukaryotic cells have a nucleus and prokaryotic cells do not

d)

Prokaryotic cells have DNA and eukaryotic cells do not

28.
These cells have DNA surrounded by a nuclear membrane...
a)
Eukaryotic
b)
Prokaryotic
c)
Neither
d)
Both prokaryotic and eukaryotic
29.
What is multicellular? 
a)
one cell 
b)
no cells 
c)
many cells 
d)
no nucleus 
30.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
31.
Unicellular means
a)
single-celled
b)
unicycle
c)
multi-celled
d)
united cells
32.
Prokaryotic cells include bacteria.
a)
True
b)
False
33.
Where is the DNA found in a prokaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
34.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
35.
Both prokaryotes and eukaryotes have a nucleus.
a)
True
b)
False
36.

ALL cells have ALL of the following organelles EXCEPT:

a)

Ribosomes

b)

Cytoplasm

c)

Cell membrane

d)

Nucleus

37.

Which type of cell is this?

a)

Prokaryotic

b)

Eukaryotic

38.

Which type of cell is this?

a)

Eukaryotic

b)

Prokaryotic

39.

Which type of cell has organelles like endoplasmic reticulum and mitochondria?

a)

Prokaryotic

b)

Eukaryotic

c)

Both

40.

How are viruses different than bacteria, fungi, and parasites?

a)

Viruses are not living

b)

Viruses reproduce quickly

c)

Viruses can infect the cells of a variety of organisms

41.

What is an example of a positive feedback mechanism?

a)
b)
42.
The two types of feedback systems that help organisms maintain homeostasis are:
a)
positive and negative 
b)
receptor and effector
c)
static and dynamic
d)
minor and major
43.
Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
44.
If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
45.
If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
46.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
d)
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
47.
Which system sends electrical messages that helps control the body's responses to internal and external changes?
a)
nervous
b)
endocrine
c)
reproductive
d)
integumentary
48.

Which long specialized cell helps transmits information quickly throughout an organism?

a)

neuron cell

b)

enzyme cell

c)

muscle cell

d)

blood cell

49.

Which cell is specialized by having lots of mitochondria for energy and protein fibers for movement?

a)

skin cell

b)

nerve cell

c)

blood cell

d)

muscle cell

50.

In multicellular organisms, specialized cells that work together toward the same function are called

a)

organs

b)

organ systems

c)

tissues

d)

species

51.
Organs working together form a(n) ______
a)
Cell
b)
Tissue
c)
Organ
d)
Organ System
52.

A system input is

a)

something that happens within a system.

b)

something that goes into a system.

c)

something that comes out of a system.

d)

something that is always man-made.

53.

Which statement is true of the many parts of the biosphere?

a)

each part includes salt water

b)

each part is completely unique

c)

each part is isolated from others

d)

each part is connected to all the others

54.

Which of these only lists abiotic components of an ecosystem?

a)

river, grass, soil

b)

rocks, insects, trees

c)

minerals, water, air

d)

sand, saltwater, seabirds

55.

The structure of a human skin cell differs from that of a human muscle cell. The two cells most likely have different _____________.

a)

genes

b)

functions

c)

life processes

d)

ways of dividing

56.

The body works to maintain homeostasis in response to what conditions?

a)

tissue and cell formation

b)

production of key vitamins

c)

internal and external changes

d)

cell differentiation and determination

57.

What type of model is this?

a)

simulation

b)

physical

c)

mathematical

d)

conceptual

58.

Stella ran a computer program to predict the effects of a change in the shape of a bacterium. What type of model is this?

a)

simulation

b)

physical

c)

mathematical

d)

conceptual

59.

Charlotte made a flow chart to illustrate the process of ATP production in bacteria. What type of model is this?

a)

simulation

b)

physical

c)

mathematical

d)

conceptual

60.

Karen created a three-dimensional model of a bacteria cell showing its major structural features. What type of model is this?

a)

simulation

b)

physical

c)

mathematical

d)

conceptual

61.

When a cell differentiates into different types of cells (such as muscle or neuron), this allows the cells to:

a)

Have different functions

b)

Have energy

c)

Reproduce

d)

Wear purple on Fridays

62.

Which is not a characteristic of living things?

a)

Made of at least one cell

b)

Use energy

c)

Can reproduce

d)

Maintains homeostasis (respond to stimuli)

e)

Movement around their environment

63.

What are the regions of Earth populated by living things?

a)

Biosphere

b)

Population

c)

Organism

d)

Community/ecosystem

64.

The collection of different populations living in a certain area:

a)

Biosphere

b)

Population

c)

Organism

d)

Community

e)

Ecosystem

65.

An individual animal, plant, or single-celled life form

a)

Biosphere

b)

Population

c)

Organism

d)

Community/ecosystem

66.

Organisms of the same species that live in the same area

a)

Biosphere

b)

Population

c)

Organism

d)

Community

e)

Ecosystem

67.

All of the populations and abiotic factors living in a particular environment

a)

Biosphere

b)

Population

c)

Organism

d)

Community

e)

Ecosystem

68.

An individual animal, plant, or single-celled life form

a)

Biosphere

b)

Population

c)

Organism

d)

Community

e)

Ecosystem

69.

An individual animal, plant, or single-celled life form

a)

Biosphere

b)

Population

c)

Organism

d)

Community

e)

Ecosystem

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