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WorksheetsSurvivor Review Day 3: Cells and Microorganisms
Total questions: 28
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
What tool would you use to observe a microorganism?
a)
safety googles
b)
telescope
c)
microscope
d)
hand lens
2.
Which part of a plant or an animal cell is where chromosomes/DNA are found?
a)
cytoplasm
b)
nucleus
c)
membrane
d)
mitochondria
3.
_____ cells have chloroplast while ____ cells do not.
a)
animal, plant
b)
plant, animal
4.
Which organelle stores food, water and waste?
a)
membrane
b)
nucleus
c)
vacuole
d)
organelle
5.
Which is true of single-celled organisms?
a)
their cells are specialized
b)
their cells carry out all life activities
c)
they cannot survive alone
d)
they work as a team
6.
Which cell part lets substances pass in and out of the cell?
a)
cell wall
b)
vacuole
c)
membrane
d)
nucleus
7.
Which of the following is a multi-celled organism?
a)
bacteria
b)
amoeba
c)
protozoa
d)
worm
8.
Which of the following is a single celled organism?
a)
frog
b)
plant
c)
amoeba
d)
human
9.
Each organelle, or cell part, performs a specific function to keep the cell alive.
a)
True
b)
False
10.
What organelles do plant cells have that animal cells don't?
a)
cytoplasm & vacuole
b)
nucleus & mitochondria
c)
cell wall and cytoplasm
d)
chloroplast & cell wall
11.
_______ are given to young children to prevent diseases and viruses.
a)
Chromosomes
b)
Vaccinations
c)
Antibiotics
d)
Plant cells
12.
_____ is a microorganism that is used to make bread rise.
a)
Mold
b)
Mildew
c)
Yeast
d)
Yams
13.
Foods such as cheese, yogurt and sour cream is made by adding _____ to milk.
a)
cream
b)
vaccines
c)
bacteria
d)
fungus
14.
Microorganisms
a)
break down dead matter
b)
are used to make antibiotics, such as penicillin
c)
help us digest our food
d)
all of the above are true
15.
Harmful microorganisms can enter our bodies through open wounds.
a)
True
b)
False
16.
Bacterial infections, such as strep throat, can be treated using ___
a)
antibiotics
b)
vaccines
c)
animal cells
d)
they cannot be treated
17.
A scientist uses a microscope to compare tiny multi-celled and single-celled organisms.
Which statement about multi-celled and single-celled organisms is true?
Which statement about multi-celled and single-celled organisms is true?
a)
Multi-celled organisms can reproduce, but single-celled organisms cannot.
b)
Multi-celled organisms have cell membranes, but single-celled organisms do not.
c)
Multi-celled organisms can move within their environment, but single-celled organisms cannot.
d)
Multi-celled organisms have different cells for different jobs, but single-celled organisms do not.
18.
Microorganisms were discovered after the microscope was invented in the 1600s. Since then, scientists have found ways that microorganisms can be harmful.
Which of these describes one way that some microorganisms are harmful?
Which of these describes one way that some microorganisms are harmful?
a)
they are used to make certain types of food
b)
they are used to make certain fuels for energy
c)
they cause diseases that can be spread to others
d)
they break down waste matter in the environment
19.
What is the process that plant and algae cells use to make food?
a)
Water Cycle
b)
Photosynthesis
c)
Decomposition
d)
Vegetarian
20.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
ribosomes
21.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
22.
Consists of a jellylike substance that contains many organelles.
a)
ribosomes
b)
cytoplasm
c)
chloroplasts
d)
cell wall
23.
Structures within a cell that break down food and turn it into energy
a)
nucleus
b)
mitochondria
c)
vacuole
d)
organelle
24.
In what conditions do most bacteria grow best?
a)
warm and moist
b)
cool and dry
c)
warm and dry
d)
cool and moist
25.
Harmful microorganisms can be controlled by
a)
washing hands with water
b)
washing hands with soap and water
c)
sharing food with your friends
d)
leaving food out of the refrigerator for long periods of time
26.
How do bacteria help our bodies function?
a)
They make our muscles stronger.
b)
They help to digest food.
c)
They circulate in our blood and help carry oxygen.
d)
They make our skin clean.
27.
a)
Only the plant has chloroplasts to make food.
b)
Only the algae cells require water to stay alive.
c)
The green plant has cells that are able to reproduce.
d)
There are many types of cells within the green plant.
28.
After a tree falls in the forest, it slowly decays until it eventually becomes part of the forest floor. Many organisms are involved in this decomposition, what is an example of a microorganism that aids in this process?
a)
Mold is a beneficial microorganism that can aid decomposition.
b)
Mice are beneficial microorganisms that can aid decomposition.
c)
Beetles are beneficial microorganisms that can aid decomposition.
d)
Vultures are beneficial microorganisms that can aid decomposition.
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