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WorksheetsSci 8 Unit B 2.0 Microscope, Cells and Processes
Total questions: 126
Worksheet time: 2hrs 6mins
This plant tissue is designed to allow water to move from the roots to the leaves:
Xylem
Phloem
Epidermis
Muscle
This plant tissue is designed to allow sugar (glucose) to be transported from the leaves to the other plant parts.
Xylem
Phloem
Roots
Stems
Look at the diagram.
Where is the low concentration of purple dye?
at the bottom of glass
at the top of the glass
The picture below is an example of ___________.
osmosis
change of state
diffusion
selectively permeable membrane
Permeable means...
substances can pass through the openings
substances cannot pass through the openings
How does an amoeba move?
Amoebas are able to move using cilia.
Amoebas can move by moving several flagella.
Amoebas can move using their blood.
Amoebas can move by using pseudopods.
Which structure does a paramecium use for locomotion?
pseudopod
flagella
cilia
cytoplasm
Muscle tissue
is made of organelles
is made of organs
is made of muscle cells
is made of cilia
Diffusion is the movement of molecules from an area of _____ concentration to a _____ concentration
high, low
low, high
low, low,
high, high
Challenge Question: How is diffusion affected by an increase in temperature?
Diffusion is faster.
Diffusion is slower.
Has no effect
Categorize the cell structures.
chloroplasts
cell wall
geometric shape
many small vacoules
nucleus
one large vacuole
cell membrane
irregular shape
mitochondria
cytoplasm
This cell structure acts like a cell filter - allowing some materials to pass through it, but not others.
cytoplasm
cell membrane
cell wall
vacuoles
What is tissue?
A group of organs that perform a specific function
A group of cells that work together to perform a specific function
A group of cells that perform different functions
Phloem:
Green substance in the leaves
Tissue that transports water & minerals from roots
Using light to make food
Tissue that transports sugar from leaves
Xylem tissue:
Green substance in the leaves
Transport water & minerals from roots
Using light to make food
Transports sugar from leaves
What is an example of a unicellular organism?
bee
bird
bacteria
soil
Which diagram best shows the end result of diffusion?
F
G
H
J
The short, hair-like projections that help with paramecium locomotion are called...
cilia
mitochondria
pseudopods
vacuoles
Challenge Question: The word "pseudopod" means:
new leg
movement
false foot
eating habit
Microscope part: Functions to moves the stage up and down for focusing with low power objective.
Fine Focus Knob
Large Focus Knob
Course Focus Knob
Small Focus Knob
What will be the total magnification if the ocular eyepiece lens is 10X and the objective lens is 4X?
40X
10X
100X
400X
What power objective do you start with when using a microscope?
High
Medium
Low
Never use this adjustment knob with the high power objective lens:
Fine
Large
Coarse
Small
arm and base
arm and nosepiece
arm only
nosepiece
A cell that is placed in a saltwater (hypertonic) solution will
Stay the same size
Shrink (get smaller)
Swell (get bigger)
If you looked at red blood cells under a microscope and saw that several of the blood cells had burst, what would you say happened?
The cells were placed in distilled water.
The cells were placed in a saltwater solution.
“High concentration area” means particles are:
Spread out
Tightly packed together
Uncrowded
Spacious
Water diffusing across a membrane is called:
respiration
photosynthesis
osmosis
streaming
The cell controls what passes in and out of the cell
Nothing gets into the cell
The cell lets only large substances through
Look at the diagram. The concentration of water inside the cell is 300. The concentration of water outside the cell is 150.
Which way will the water molecules move?
Out of the cell, so the cell shrinks.
Out of the cell, so the cell swells.
Into the cell, so the cell shrinks.
Into the cell, so the cell swells.
Part 9
Stage
Eyepiece
Objective
Light Source
This microscope part brings the specimen into sharp focus:
Coarse Adjustment Knob
Fine Adjustment Knob
Eyepiece
Diaphragm
Connects to the base and helps you carry the microscope easily
Arm
Base
Body Tube
Revolving Nosepiece
Used to control the amount of light reaching the specimen:
Objective Lens
Stage
Eyepiece
Diaphragm
The flat surface on a microscope where the slide is placed:
Base
Arm
Stage
Diaphragm
A person would never have pure water put into their blood vessels because their blood cells would...
Shrink/Dehydrate
Expand/Swell
If there is 5 % water concentration inside a cell and 5% water concentration outside a cell
More water will move inside the cell
More water will move outside the cell
Water will move in and out of the cell in equal amounts
When cells are placed in a __________ solution they begin to swell.
Saltwater
Distilled Water
What is the name of this tissue?
Paramecium
Amoeba
Muscle
Epidermis
Which is an example of a unicellular organism?
seed
ant
moss
diatom
What are small microscopic hairs on a micro-organism that help it to move?
cytoplasm
pseudopod
cilia
chloroplasts
The amoeba gets its food by...
pseudopods surrounding food and digesting it
cilia bringing food in an oral groove
photosynthesis to make food
using the water as food
Which tiny organelle converts glucose into energy?
Chloroplast
Vacuole
Nucleu
Mitochondria
A rigid structural layer that lies outside the plant cell's membrane is...
Chloroplast
Nucleus
Cell Wall
Vacuole
Which organelle is called the "powerhouse" of a cell?
Cell Wall
Nucleus
Mitochondria
Vacuole
The gel-like substance inside of cells that keeps all the organelles in place:
photoplasm
photosynthesis
cytoskeleton
cytoplasm
A group of cells that perform the same function is called...
organelle
tissue
organ
in an animal cell there are many small ones, but in a plant cell there is just one large one.
glucose-making organelle of the plant cell
choroplasts
cell wall
vacuole
cell membrane
Which organelle is responsible for releasing the stored energy within cells?
lysosome
mitochondria
chloroplast
vacuole
Animal cells DO NOT have ...
Mitochondria
Nucleus
Vacuoles
Chloroplasts
In osmosis, water moves from...
high water concentration --> lower water concentration
low water concentration --> higher water concentration
Which pair of cell structures is only found in PLANT cells
nucleus & cytoplasm
cell wall & chloroplasts
nucleus & mitochondria
mitochondria & vacuoles
The movement of particles from higher concentration to lower concentration is ...
diffusion
cell division
active transport
tonicity
This cell substance holds or "suspends" the cell's organelles....
cell membrane
cytoplasm
cell wall
nucleus
The 'command center' of the cell:
cell membrane
mitochondria
vacuole
nucleus
The "storage center" of the cell:
Nucleus
Mitochondria
Vacuole
Cytoplasm
The picture is an example of _________________.
osmosis
diffusion
Where are red blood cells made?
Heart
Bone
Muscles
Brain
Part 9
Diaphragm
Which unicellular organisms use pseudopods to move?
paramecium
algae
amoeba
slime mold
The bone marrow produces...
red blood cells
white blood cells
xylem cells
phloem cells
Which protist is this?
Amoeba
Paramecium
Mycoplasma
Diatom
Which is an example of a multicellular organism?
amoeba
bacteria
worm
diatom
Which is an example of a unicellular organism?
bird
banana
snake
bacteria
Group of cells that perform a specific function:
organs
cells
tissue
cell membranes
Which structure of the cell is often called "the command centre" of the cell"?
The picture below is an example of _________________.
epidermis cells
muscle cells
red blood cells
amoeba cells
Red blood cells cannot reproduce because they ...
lose their chloroplasts when they are mature
lose their cytoplasm when they are mature
lose their mitochondria when they are mature
lose their nucleus when they are mature
If there is 5% water inside a cell and 60% water outside a cell ...
more water will move into the cell
more water will move out of the cell
There will be no movement of water cells
The cell below is in a _________ solution.
distilled water
saltwater
The cell below is in:
saltwater
distilled water
Which of the following is a micro-organism?
human
amoeba
mosquito
ant
Which of the following is a micro-organism?
bee
cat
paramecium
ant
Xylem tissue is located in:
plants
animals
Phloem tissue is located in:
animals
plants
The circle shape you see when looking through a microscope is called:
shape of view
field of view
area of view
circle of view
Look at the picture.
The field of view is with the 40x objective.
The field of view is 0.4mm.
What is the estimated length of one plant cell?
3mm
0.1mm
0.3mm
0.4mm
This diagram is demonstrating how to make a
water slide
specimen slide
dry mount slide
wet mount slide
Which part of a wet mount slide goes on last?
slide
specimen
cover slip
water
The type of microscope used in a junior high lab is
compound electron microscope
compound light microscope
simple electron microscope
simple light microscope
Smallest size object a human eye can see:
0.01 mm
0.1 mm
0.1 cm
1 cm
Structure label A
mitochondria
chloroplast
nucleus
vacuole
Structure label B
mitochondria
chloroplast
nucleus
vacuole
Structure label C
mitochondria
chloroplast
nucleus
vacuole
Structure label D
mitochondria
chloroplast
nucleus
vacuole
Animal cell label structure A
nucleus
mitochondria
cytoplasm
vacuole
membrane
Animal cell label structure B
nucleus
mitochondria
cytoplasm
vacuole
membrane
Animal cell label structure C
nucleus
mitochondria
cytoplasm
vacuole
membrane
Animal cell label structure D
nucleus
mitochondria
cytoplasm
vacuole
membrane
Animal cell label structure D
nucleus
mitochondria
cytoplasm
vacuole
membrane
These cheek cells were viewed with the high power objective. The field of view is 0.4mm. What is the estimated size of one cheek cell?
1.6 mm
0.4 mm
0.2 mm
0.1 mm
What is the total magnification of a specimen viewed using a microscope's low power objective?
4X
10X
40X
400X
What is the total magnification of a specimen viewed using a microscope's high power objective?
4X
10X
40X
400X
What is the total magnification of a specimen viewed using a microscope's medium power objective?
40X
10X
100X
400X
These onion epidermal cells were viewed with the medium power objective. The field of view is 2mm. What is the estimated size of the length of one typical epidermal cell?
1.0 mm
0.4 mm
0.2 mm
0.1 mm
The letter “e” is placed in an upright position on the slide, then viewed under the low power objective.
Which image of the letter "e" would be seen in the field of view?
Order the following in making a wetmount:
slide
water and specimen
cover slip
Name a cell structure or organelle that is only found in plant cells.
(a)
Name the tissue that makes red blood cells.
(a)
Are these plant or animal cells?
plant cells
animal cells
Are these plant or animal cells?
plant cells
animal cells
This microscope part brings the specimen into sharp focus:
Coarse Adjustment Knob
Fine Adjustment Knob
Eyepiece
Diaphragm
Look at the image. The medium power objective is being used and the field of view is 2mm. What is the estimated size of the width of one cell?
18 mm
0.9 mm
0.2 mm
0.02 mm
