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Cells And Life 2022-2023
Test Description: McGrawHill
Instructions: Answer all questions to get your test result.
1) In what organelles do many of the chemical reactions of an organisms cells occur?
A
Chloroplast
B
Cell Walls
C
Mitochondria
D
Ribosomes
2) What is the function of mitochondria in a cell?
A
To support the cell
B
To direct the cells activities
C
To use light energy to make food
D
Converts food to energy and helps with cellular respiration
3) Why did it take so long after Robert Hooke discovered cells, for the cell theory to be developed?
A
It took time to make improvements to the microscope and learn more about cells
B
none of the above
C
After Hooke, nobody wanted to study cells for a long time
D
Scientists made so many mistakes they couldn't keep trak of their information overtime
4) What is the function of the nucleus of the cell?
A
The nucleus give energy to the cell
B
The nucleus helps support the cell
C
The nucleus allows materials to enter and exit the cell
D
The nucleus is the control center for the cell
5) What are two structures of the plant cell that are not included in the animal cell?
A
mitochondria and cell wall
B
Chloroplast ans cell membrane
C
chloroplast and mitochondria
D
Chloroplast and cell wall
6) What is the function of the chloroplast in a plant cell?
A
It controls what enters and leaves the palnt
B
Use light energy to make food for the plant
C
It supports the plant
D
it is the control center for the plant
7) What is the function of the cell wall in a plant cell?
A
It converts enrgy from the sun into food for the plant
B
It helps transport protiens around the cell
C
It gives the plant its green color
D
It protects from viruses and offers structural support
8) What is the function of the cell membrane?
A
It protects the inside of the cell and allows material to enter and exit the cell
B
It transports protiens around the cell
C
It is the control center of the cell
D
It allows all the other organelles to float around
9) What is the function of the cell wall? Besides plants what other organisms have a cell wall?
A
dogs, cats, and horses
B
alligators, crocodiles, and snakes
C
bacteria, protists, and fungi
D
mice, frogs, and crawfish
10) What is the function of the nucleus?
A
transports protiens around the cell
B
supports the outside of the cell
C
stores food, water, and waste
D
The control center of the cell
11) What are the three principles of the cell theory?
A
no living things are made of cells, the cell is the basic unit of life, all new cells just appear
B
all living things are made of cells
C
all living things are made of many cells, the cell is the largest unit of life, all new cells just appear
D
all living things are made of one or more cells, the cell is the basic unit of life, all new cells come from preexisting cell
12) Which organelle in a plant cell provides storage and support?
A
mitochondria
B
ribosomes
C
vacuole
D
chloroplast
13) What organelle allows nutrients to enter the cell and provides a barrier to keep harmful things out?
A
Endoplasmic reticulum
B
nucleus
C
cell membrane
D
chloroplast
14) What are the seven characteristics of life.
A
organization, growth and development, reproduction, responds to stimuli, maintains internal conditions, use energy, has cells
B
Organization, shrink and die, reproduce, respond to stimuli, maintain internal conditions
C
all of the above
D
none of the above
15) If you made a model of a cell what material would be best to represent the cell wall?
A
a sock
B
hard plastic
C
a balloon
D
a piece of cotton
16) If you are given several samples of a liquid, what type of investigation could you perform to determine which one has living organisms?
A
Use a stethoscope to determine if there are living things in the sample
B
simply look at the liquid samples
C
ask you teacher
D
you could look under a microscope and determine if the sample meets any of the 7 charachetistics of life
17) If you were looking at samples of water to determine which one contains living things, what type of structural evidence would you be looking for?
A
movement, bubbles, small particles
B
all of the above
C
movement, cells, organization, response to stimuli
D
small particles, liquid, bubbles
18) What is the difference between Eukaryotic and prokaryotic cells?
A
There is no difference between prokaryotic and eukaryotic cells
B
The only difference is that one is larger than the other
C
Eukaryotic cells are larger, have organelles, and a lining around their DNA, while prokaryotic cells do not
D
prokaryotic cells are larger, have organelles, and a lining around their DNA, while eukaryotic do not
*select an answer for all questions
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