SUMMATIVE TEST IN SCIENCE
Grade: 7 Quarter: 2 Week: 2
Name: ____________________ Score: ____________________
Part I – Multiple Choice: Choose the best answer.
1. Which part of the microscope regulates the amount of light passing through
the specimen?
a. Eyepiece b. Diaphragm c. Stage d. Arm
2. What is the function of the coarse adjustment knob?
a. Focuses under low power b. Focuses under high power
c. Moves the stage left and right d. Regulates light
3. Which organelle is known as the powerhouse of the cell?
a. Nucleus b. Ribosome c. Mitochondrion d. Golgi
apparatus
4. Which organelle is present in plant cells but not in animal cells?
a. Lysosome b. Chloroplast c. Ribosome d. Mitochondrion
5. Which part of the plant cell gives it a rigid shape?
a. Cell wall b. Nucleus c. Cytoplasm d. Mitochondria
6. What is the control center of the cell that contains genetic material?
a. Nucleus b. Cytoplasm c. Ribosome d. Vacuole
7. Which type of organism consists of only one cell?
a. Multicellular b. Unicellular c. Tissue d. Organ
8. What stain is commonly used to observe animal cells under the microscope?
a. Iodine solution b. Methylene blue c. Safranin d. Eosin
9. What do both plant and animal cells have in common?
a. Chloroplast b. Cell wall c. Nucleus d. Large central
vacuole
10. Which instrument is essential for observing cell organelles?
a. Hand lens b. Microscope c. Telescope d. Periscope
Part II – True or False: Write True if the statement is correct and False if not.
11. The microscope is used to observe very small objects such as cells.
12. The diaphragm controls the movement of the stage up and down.
13. The ribosomes are the site of protein synthesis in the cell.
14. Chloroplasts are found in both animal and plant cells.
15. The cell membrane controls what enters and leaves the cell.
16. Cytoplasm is the jelly-like fluid where organelles are found.
17. Mitochondria are known as the powerhouse of the cell.
18. Plant cells usually have a more regular shape than animal cells.
19. Unicellular organisms are made up of many cells.
20. Proper handling of the microscope includes carrying it with two hands.
Part III – Identification: Identify what is being described.
21. The part of the microscope you look through.
22. The structure that controls the entry and exit of substances in the cell.
23. The organelle that modifies, sorts, and packages proteins and lipids.
24. The organelle responsible for photosynthesis.
25. The organelle that contains digestive enzymes.
26. The clear fluid inside the cell where organelles are found.
27. The rigid outer covering of plant cells.
28. The basic unit of life.
29. An example of a multicellular organism.
30. An example of a unicellular organism.
Eyepiece Bacteria / Amoeba Chloroplast
Cell membrane Golgi apparatus Cell
Lysosome Cell wall
Cytoplasm Human / Dog / Plant
Key to Correction
1. b
2. a
3. c
4. b
5. a
6. a
7. b
8. b
9. c
10. b
11. True
12. False
13. True
14. False
15. True
16. True
17. True
18. True
19. False
20. True
21. Eyepiece
22. Cell membrane
23. Golgi apparatus
24. Chloroplast
25. Lysosome
26. Cytoplasm
27. Cell wall
28. Cell
29. Human / Dog / Plant
30. Bacteria / Amoeba
31. To achieve clearer and more accurate focus
32. Plant cells have cell wall and chloroplasts; animal cells do not
33. Specialization of functions
34. It makes organelles more visible
35. All living things are made up of cells
