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Transcript
CELLS & TISSUES TEST
Student Name ______________________________
1.
1. If the eyepiece lens of a microscope is marked X10 and the objective lens is marked X4, the total magnification is
_____________________
2. What is usually found in the cytoplasm of a plant cell? _____________________
3. What stain did you use for viewing plant cells on the slide? _____________________
4. State two features visible under a light microscope that indicate that cells are typical plant cells.
____________________________________________________________________________________
5. Name the stain that you used when examining an animal cell under the microscope. _____________________
6. Describe the difference in colour or depth of colour, if any, between the nucleus and cytoplasm when the
stained cell was viewed under the microscope. __________________________________________
7. Where in a cell would you expect to find phospholipids? _____________________
8. State a function of each of the following components of a cell. (i) Ribosome _____________________
(ii) Cell membrane _____________________
9. State two ways in which red blood cells differ from typical body cells e.g. from the cheek lining.
____________________________________________________________________________________
10. The liquid in which chemical reactions take place in the cell is_____________________
11. Name a cell organelle, apart from the nucleus, in which DNA is found _____________________
12. Where in the cell would you expect to find most DNA? _____________________
13. State a function of the cell membrane __________________________________________
14. Name the organelle (component) of the cell in which photosynthesis takes place. _____________________
15. How do phospholipids differ from other lipids? _____________________
16. What is a selectively permeable (semi-permeable) membrane? ____________________________________
17. State one feature that would allow you to identify an eukaryotic cell _____________________
18. Where in the cells of a leaf is chlorophyll found? _____________________
2. Distinguish between the following pairs of terms:
(a) Nucleus and nucleolus ___________________________________________________________________
__________________________________________________________________________________________
(b) Organ and organelle ___________________________________________________________________
__________________________________________________________________________________________
(c) Mitochondrion and chloroplast___________________________________________________________________
__________________________________________________________________________________________
(d) Light and electron microscope___________________________________________________________________
__________________________________________________________________________________________
(e)*Eukaryotic and prokaryotic cell _______________________________________________________________
__________________________________________________________________________________________
3. (a) Name the parts of the cell labelled A, B and C in the diagram of a white blood
cell.
A = __________________________________
B = __________________________________
C = __________________________________
(b) What is the function of C? __________________________________
(c) Name three extra structures that would change this animal cell into
a typical plant cell. _____________________________________________
4. (a) Label the parts as shown in the diagram of
the light microscope.
A = __________________________________
B = __________________________________
C = __________________________________
D = __________________________________
E = __________________________________
F = __________________________________
G = __________________________________
(b) Describe how you prepared a stained plant cell(or animal cell) for
examination under the microscope.
_____________________________________________________________
_____________________________________________________________
(c) Give the correct steps for examination of the sections under the high-power lens.
_______________________________________________________________________________________________
______________________________________________________________________________________________
(d) It is recommended not to use the coarse focus wheel when examining a specimen under high power. Why?
______________________________________________________________________________________________
(e) An object viewed with this microscope is calculated to be magnified 400 times (x400). If the magnifying power of
C is x40, what is the magnifying power of A? _______________________
(g) Give a reason why the light microscope cannot be used to examine the structure of a virus.
______________________________________________________________________________________________
5. Each word in the left-hand column below is related to one of the words in the right-hand column.
Write them down in the correct pairs.
_________________________
_________________________
_________________________
_________________________
_________________________
6. From the list on the right, pick the structures which are
found in :
(a) animals cells only __________________________________________________
(b) plant cells only, and __________________________________________________
(c) both animal and plant cells __________________________________________________
7. The diagrams show a typical plant and animal cell.
(a) Which diagram (X or Y) shows the plant cell?
_________________________
(b) State two reasons for your choice.
__________________________________________________
(c) Name the part labelled A. _______________________
(d) Name the structure labelled C. ________________________
(e) Name the coiled thread-like structures that might be found
in B. _________________________
(f) Which letter on the diagrams shows where DNA might be
found? _________________________