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Worksheets7th Science DA Review
Total questions: 76
Worksheet time: 1hrs 26mins
Name
Class
Date
1.
What is the function of the nucleus?
a)
control center of the cell
b)
storage center for the cell
c)
makes energy for the cell
d)
determines what is allowed in or out of the cell
2.
what is a nucleus in
a)
animal cell
b)
plant cell
c)
both cells
d)
prokaryotic cell
3.
This organelle controls the cell's main activities; DNA is also found here. (Analogy: cockpit of an airplane)
a)
vacuole
b)
chloroplast
c)
nucleus
d)
mitochondria
4.
This organelle surrounds the cell and controls what enters/leaves the cell (Analogy: gates or doors of the school)
a)
Golgi body
b)
cell wall
c)
cell membrane
d)
vacuole
5.
This organelle is the "powerhouse" of the cell; it breaks down food to release energy (Analogy: power plants or food processing plants of a city)
a)
vacuole
b)
mitochondria
c)
nucleus
d)
ribosome
6.
this organelle contains enzymes that breaks down big molecules to smaller molecules (Analogy: garbage disposal)
a)
lysosome
b)
cell membrane
c)
vacuole
d)
endoplasmic reticulum
7.
this organelle holds materials like water and other products for storage (Analogy: water tower)
a)
lysosome
b)
vacuole
c)
nucleus
d)
cell membrane
8.
Which organelle is only found in a plant cell?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
9.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
cytoplasm
b)
lysosome
c)
vacuole
d)
ribosome
10.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
11.
What is a good analogy for a cytoplasm
a)
Jello
b)
Door
c)
Gives organelles an object to float in
d)
In plant and animal cells
12.
What cell structure is letter A?
a)
cell membrane
b)
nucleus
c)
cytoplasm
d)
mitochondrion
13.
What cell structure is letter B?
a)
cytoplasm
b)
mitochondrion
c)
contractile vacuole
d)
cell membrane
14.
What cell structure is C?
a)
contractile vacuole
b)
cytoplasm
c)
mitochondrion
d)
nucleus
15.
What cell structure is D?
a)
cell membrane
b)
nucleus
c)
cytoplasm
d)
contractile vacuole
16.
What cell structure is E?
a)
cytoplasm
b)
contractile vacuole
c)
nucleus
d)
cell membrane
17.
In plants, organelles that use light to make organic compounds
a)
central vacuole
b)
chloroplasts
c)
golgi apparatus
d)
lysosomes
18.
What organelle surrounds and supports plant cells?
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Golgi Complex
19.
Which organelle converts sunlight into glucose?
a)
Endoplasmic Reticulum
b)
Vacuole
c)
Chloroplasts
d)
Mitochondria
20.
In what organelle is the genetic material found inside?
a)
Endoplasmic Reticulum
b)
Golgi Complex
c)
Nucleolus
d)
Nucleus
21.
What's the difference between prokaryotes vs. eukaryotes?
a)
Prokaryotes have a nucleus
b)
Eukaryotes do not have a nucleus
c)
Prokaryotes have a cell wall
d)
Eukaryotes do have a nucleus
22.
What organelle is called the "powerhouse" of a cell because it produces the energy (ATP) for cells?
a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
23.
What is the gel-like substance made mostly of water inside of cells called?
a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
24.
What organelle is considered to be the “gatekeeper” for plant and animal cells because it helps maintain Homeostasis?
a)
Cell Wall
b)
Cytoplasm
c)
Nucleous
d)
Cell Membrane
25.
What cell part is NOT found in all cells?
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
DNA or RNA
26.
Where do all cells come from?
a)
Dead cells
b)
Other living cells
c)
From non living material
d)
Atoms grow and turn into cells
27.
Which of the following are Prokaryotic cells?
a)
Fungi
b)
Bacteria
c)
Plants
d)
Animals
28.
Which of the following are Eukaryotic cells?
a)
Viruses
b)
Bacteria
c)
Plants and Animals
d)
Prisons
29.
Which of the following is NOT part of the cell theory?
a)
All organisms are made of one or more cells
b)
All cells come from existing cells
c)
All cells must have a nucleus
d)
The cell is the basic unit of living things
30.
What is a Prokaryotic
a)
single-celled organisms that do not have a nucleus.
b)
cells with a nucleus
31.
what is a Eukaryotic
a)
no nucleus
b)
nucleus
32.
What is an Organelle
a)
organs
b)
structures that perform specific jobs in the cell.
33.
The first part of the Cell Theory states: "What happens in Cell Theory, stay in Cell Theory."
a)
True
b)
False
34.
The second part of Cell Theory states: "All living things are made up of cells."
a)
True
b)
False
35.
All cells are produced ____________.
a)
from nothing
b)
from other cells
36.
When observing cells, which of the following optical tools is most appropriate?
a)
Hand lens
b)
Telescope
c)
Petri dish
d)
Microscope
37.
Why are microscopes important when studying most cells?
a)
Most cells are very large.
b)
Most cells are very small.
c)
Most cells move very quickly.
d)
Most cells are dead.
38.
Which of the following is NOT one of the three parts of Cell Theory?
a)
All living things are made of cells.
b)
The cell is the smallest living thing that can perform all the functions of life.
c)
Cells are too small to see without a microscope.
d)
All cells must come from pre-existing cells.
39.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
40.
Which statement is the heirarchy of life?
a)
atoms, molecules, cells, organs, organ systems, organisms
b)
atoms, organs, organ systems, organisms
c)
atoms, molecules, cells, tissue, organs, organ systems, organisms
d)
atoms, molecules, environment, cells, tissue, organ systems, organisms
41.
Which one is NOT part of the cell theory?
a)
Cells are the basic unit of life
b)
All cells come from preexisting cells
c)
All living things are made up of atoms
d)
All living things are made up of cells
42.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
43.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
44.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
45.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
46.
How much work is produced when 350 N is used to move a car 5 m?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
47.
If a group of workers can apply a force of 1,000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?
a)
20,000 J
b)
200 J
c)
2,000 J
d)
20 J
48.
If 150 Joules of work is needed to move a box 10 meters, what force was used?
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
49.
What was the total amount of work done if Jason moved a 40 N box 25 meters?
a)
3200 J
b)
2500 J
c)
65 J
d)
15 J
50.
Whenever a ramp is added to a scenario, then the distance ________ and force __________.
a)
decreases, increases
b)
increases, decreases
c)
•stays the same
51.
Which of the following is the definition for Genes?
a)
codes or instructions in your body that ultimately determine your traits
b)
passing of genes and traits to offspring from parents or ancestors
c)
distinct characteristic of an organism that may be inherited or environmentally determined
52.
Which of the following is the definition for Heredity?
a)
codes or instructions in your body that ultimately determine your traits
b)
passing of genes and traits to offspring from parents or ancestors
c)
distinct characteristic of an organism that may be inherited or environmentally determined
53.
Which of the following is the definition for trait?
a)
codes or instructions in your body that ultimately determine your traits
b)
passing of genes and traits to offspring from parents or ancestors
c)
distinct characteristic of an organism that may be inherited or environmentally determined
54.
Plant and Animals are
a)
prokaryotic
b)
eukaryotic
c)
cool
55.
Bacteria are
a)
prokaryotic
b)
eukaryotic
c)
cool
56.
The independent variable can be found on the ______ axis
a)
x axis
b)
y axis
c)
what?
57.
The dependent variable can be found on the ______ axis
a)
x axis
b)
y axis
c)
what?
58.
The independent variable is ...
a)
the variable that is changed or manipulated
b)
the variable that is measured or depends on the change
c)
huh?
59.
The dependent variable is ...
a)
the variable that is changed or manipulated
b)
the variable that is measured or depends on the change
c)
huh?
60.
The acronym CHNOPS helps me remember
a)
elements that make up living things
b)
elements that are found on Earth
c)
something crazy Ms. Wells came up with
61.
The C in CHNOPS stands for
a)
Calcium
b)
Chlorine
c)
Carbon
d)
Cesium
62.
The H in CHNOPS stands for
a)
Helium
b)
Happiness
c)
Hardness
d)
Hydrogen
63.
The N in CHNOPS stands for
a)
Nasty
b)
Nitrogen
c)
Neon
d)
Sodium
64.
The O in CHNOPS stands for
a)
Oxygen
b)
Opal
c)
Optional
d)
Ogre
65.
The P in CHNOPS stands for
a)
Lead
b)
Promethium
c)
Polonium
d)
Phosphorous
66.
The S in CHNOPS stands for
a)
Strontium
b)
Selenium
c)
Sulfur
d)
Silicon
67.
Which of the following are not Organic?
a)
•CH2O
b)
•C6H12O6
c)
•NaCl
d)
•C12H22O11
68.
Which of the following are organic?
a)
•Fe2O3
b)
•H20
c)
•NaCl
d)
•C12H22O11
69.
Does a higher temperature cause guppies to move faster or slower?
a)
faster
b)
slower
70.
what is the effect of instrument on how hard you have to blow
(what is the IV)
(what is the IV)
a)
how hard you have to blow
b)
the insrument
71.
which brand of gum has longest lasting flavor
(what is the DV)
(what is the DV)
a)
how long flavor lasts
b)
brand of gum
72.
what is the effect of brand of shoes on lasting time
(what is the IV)
(what is the IV)
a)
lasting time
b)
brand of shoes
73.
what is the effect of number of pillows on amount of neck pain
(what is the IV)
(what is the IV)
a)
number of pillows
b)
amount of neck pain
74.
what is the effect of number of pillows on amount of neck pain
(what is the DV)
(what is the DV)
a)
amount of neck pain
b)
number of pillows
75.
what is the effect of the brand of car on speed
(what is the IV)
(what is the IV)
a)
speed
b)
brand of car
76.
what is the effect of the brand of car on speed
(what is the DV)
(what is the DV)
a)
speed
b)
brand of car
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