Download Eyepiece Fine Adjustment Knob (FAK) Power Switch Stage

SCIENCE REVIEW
Write the part of the microscope you need to …..
1 – You need to rotate the _____________ to find the lenses you want.
2 – Place a slide on the _____________ to observe the sample, you need also to use the _________ ____________ to
hold the slide
3 _ Use the _______________________ (large knob) to get it the image into view and then use the
_________________(small knob) to make it clearer.
4 – Once you have the image in view, rotate the _________________ to view it under different powers.
5.
Be careful with the largest objective! Sometimes there is not enough room and you will not be able to use it!
4 – When you are done, turn off the microscope and put up the slides you used.
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Eyepiece
Fine Adjustment Knob (FAK)
Power Switch
Stage
Diaphragm
Objective lenses 10X4,
10x10, 10x40
Tube
Nosepiece
Stage Clips
Coarse Adjustment Knob
(CAK)
Arm
Light Source
Base
1. A cell could be defined as:_________________
A.
object which is everywhere.
B.
organism which isn´t alive but it works in our body.
C.
the smallest unit that can carry on all of the activities of life.
D.
a stone or nonliving thing.
2. Another characteristics for the cells are:__________________
A. microscopic creature and they perpetuate themselves.
B.
all of them are big and you can see them without any extra tool.
C.
they don´t have any relevant information or importance for the human beings.
D.
they can be present in nonliving things.
3. The main classification for cells are:_____________
A.
eukaryotes and prokaryotes.
B.
large and big.
C.
small and strong.
D. living and nonliving cells.
4. Eukaryotes have nucleus with DNA (genetic information), this statement is _________
A. FALSE
B. TRUE
C. IN NON LIVING THINGS IS TRUE.
D. NONE OF THE ABOVE
5. Eukaryotic cells have a _____________ defined by a membrane, while prokaryotic cells have
______________.
A.
nucleus, nucleolus
B.
no nucleus, nucleolus
C.
nucleus, no nucleus.
D.
none of the above.
6. The invention of the microscope in the late 1500s revealed to early scientists a whole new world
of tiny cells. Most cells are so small that they cannot be seen without a _________
A. computer
B.
magnifying glass
C.
cellphone
D.
microscope
7. A microscope is __________________.
A.
an instrument for viewing objects that are too small to be seen easily by the human eye.
B.
is a gadget for musicians.
C.
is a tool for calculating numbers.
D.
An instrument for viewing the things smaller.
8. Large central vacuole taking up 90% of cell volume in ________ cells.
A. animal
B.
plant
C.
rock cells
D.
non living cells
9. Plant cells have chloroplasts because they make their own food. This is a
___________statement.
A.
True
B.
False
C. sometimes
D.
none of the above.
10. Chromosomes and Nucleolus are present in the __________
A. cell membrane.
B. nucleus.
C. cytoskeleton.
D.
ribosome.
11. Ribosome is the site of _________________.
A. nucleus.
B.
membranes.
C. walls.
D. proteins.
12. Mitochondria is in charge of _________________ in the cells.
A. food
B. respiration
C. sleep
D. break
13. The ____________ are in charge of the storage container for water, food, enzymes, wastes,
pigments, etc.
A.
centrioles
B. cell walls
C. ribosomes
D. vacuoles
14. Which organelle holds the cell together?
A. Any organelle.
B. cell membrane.
C. mitocondria
D. E.R.